May 12, 2006 ... Compensation of Ionospheric Effects for. Frequency and Time Comparison using the ACES. Microwave Link. Wolfgang Sch?fer (TimeTech, Stuttgart ...

Atomic Clock Ensemble in Space (ACES) is a mission of the European Space Agency (ESA) testing fundamental laws of physics with high-performance atomic clocks1 . Operated on-board the International Space Station, the ACES payload will distribute a clock signal with fractional frequency instability and inaccuracy of 1�10-16 . This frequency reference is ...

... Descriptors : *FIBER OPTICS TRANSMISSION LINES, *MICROWAVE EQUIPMENT, *DATA LINKS, MICROWAVES, OPTICAL COMMUNICATIONS ...

... a link to the Executive Summary of the ACE Basin Characterization. It gives an overview of South ... ...

ACE - Atmospheric Chemistry Experiment. The Atmospheric Chemistry Experiment ( ACE) is a Canadian satellite mission for remote sensing of the Earth's ...

Site Curator: Rich Blakeslee (256) 961-7962. Website Manager: Danny Hardin Contact Webteam: webteam@itsc.uah.edu � Privacy, Security, Notices ...

The development of techniques for the comparison of distant clocks and for the distribution of stable and accurate time scales has important applications in metrology and fundamental physics research. Additionally, the rapid progress of frequency standards in the optical domain is presently demanding additional efforts for improving the performances of existing time and frequency transfer ...

Angiotensin I-converting enzyme (ACE; kininase II) levels in humans are genetically determined. ACE levels have been linked to risk of myocardial infarction, but the association has been inconsistent, and the causality underlying it remains undocumented. We tested the hypothesis that genetic variation in ACE levels ...

Optical Density [Magnitudes] uncompensated compensated s = 10ps. OD. Timewalk ( Compensation) ... Optical Density [Decades]. MTLRS- SPAD ...

Aug 8, 2007 ... The Advanced Microwave Precipitation Radiometer (AMPR) was deployed during the ... The FIRE-III/ACE mission is to study sea-ice melting, ...

... Peter S. Weitzman Transmission Lines Approved for public release; distribution unlimited. ... Peter S. Weitzman Transmission Lines Ace Me oa For / ...

2Also at Department of Physics, New Mexico Institute of Mining and ..... ACE-FTS measurement, Atmos. Chem. Phys. Disc., in press. Froidevaux, L., et al. ...

Not Available REFERENCE: Marzano, J., Mugnai, A., Smith, E.A., Xiang, X., Turk, J., and J. Vivekanandan, 1994: Active and Passive Microwave Remote Sensing ...

mission is to study sea-ice melting, sea-ice drift, and other sea-ice ... 1994: Active and Passive Microwave Remote Sensing of Precipitating Storms ...

ACE-1 Datasets : CD 2 : Index by Title. Linked titles are on this CD. Unlinked titles are on CD 1. Baring Head Radon Measurements [CD 1]; C130 Aerosol Light ...

Potential Commercial Application: Applications are expected in SATCOM systems, for interconnecting microwave towers and control rooms, for radar and ...

Angiotensin (Ang) converting enzyme (ACE) 2 cleaves Ang-II into the vasodilator peptide Ang-(1-7), thus acting as a pivotal element in balancing the local effects of these peptides. ACE2 has been identified in various tissues and is supposed to be a modulator of cardiovascular function. Decreases in ACE2 expression and activity have ...

... Accession Number : ADA030662. Title : Tilting Antennas to Reduce Line-of-Sight Microwave Link Fading. Descriptive Note : Final rept. ...

... Accession Number : ADP003891. Title : Prediction of Multipath Fading on Terrestrial Microwave Links at Frequencies of 11 GHz and Greater,. ...

The S-band microwave link established between ]PL and TRWV is usable for large signal testing of the. Pioneer F and Pioneer G telecommunications subsystem. ...

Plasma angiotensin I-converting enzyme (ACE) levels are highly genetically determined. A previous segregation-linkage analysis suggested the existence of a functional mutation located within or close to the ACE locus, in almost complete linkage desequilibrium (LD) with the ACE insertion/deletion (I/D) polymorphism and accounting for ...

This site presents information about the Advanced Composition Explorer (ACE) spacecraft and its mission, science goals, history, and background. The mission summary includes a brief description of the energetic particles from the sun and from interstellar and galactic sources that are the objectives of the ACE mission. Links to ...

1. There is a body of circumstantial and direct evidence supporting the existence and functional importance of a tissue based RAS at a variety of sites. 2. The relation between circulatory and tissue based systems is complex. The relative importance of the two in determining haemodynamic effects is unknown. 3. Despite the wide range of ACE inhibitors already available, it ...

Time Transfer) project on the Chinese Compass M1 satellite is based an earlier ..... e) Laser Tracking Calibration: As shown in the range equation in the ...

Results are provided on path loss measurements and analyses to evaluate the feasibility and expected performance of four proposed 4.4-5.0 GHz microwave links in Tehran, Iran. Specific design recommendations on each link are included. Results are provided ...

An acetylcholinesterase (AChE) gene, Ace.x, showing 93% identity of deduced amino acid sequence to Anopheles stephensi Ace has been cloned from a Culex pipiens strain homozygous for insensitive AChE (iAChE) mediated insecticide resistance. DNA sequence of genomic DNA clones identified exons 2-5. RFLP of six clones indicated four possible alleles. Linkage ...

Human serum angiotensin I-converting enzyme (ACE) levels vary substantially between individuals and are highly heritable. Segregation analysis in European families has shown that more than half of the total variability in ACE levels is influenced by quantitative-trait loci (QTL). One of these QTLs is located within or close to the ACE ...

DMPs have been calculated for ACE-FTS, (Atmospheric Chemistry Experiment-Fourier ... There are also DMPs derived from GEOS-4 (NASA's Global Modeling and ...

X-ray damaged organic crystals were investigated for properties that would lead to potential microwave or infrared applications. Most of the work was performed on succinic acid and acetyl glycine crystals. Some work was done on maleic acid, L-alanine, ace...

mission is to study sea-ice melting, sea-ice drift, and other sea-ice ... 1994: Active and Passive Microwave Remote Sensing of Precipitating Storms ...

Vibrio cholerae accessory cholera enterotoxin (Ace) is the third toxin, along with cholera toxin (CT) and zonula occludens toxin (Zot), that causes the endemic disease cholera. Structural characterization of Ace has been restricted because of the limited production of this toxic protein by V. cholerae. We have cloned, overexpressed, and purified ...

... Hall, N. Pasteur, and M. Raymond. 1998. A sex-linked Ace gene, not linked to ... two Drosophila species. Anim. Behav 52:759�766. CrossRef, CSAMcKenzie, ... ...

Protein conformational disorders are associated with the appearance, persistence, accumulation, and misprocessing of aberrant proteins in the cell. The etiology of renal tubular dysgenesis (RTD) is linked to mutations in the angiotensin-converting enzyme (ACE). Here, we report the identification of a novel ACE mutation (Q1069R) in an ...

The purpose of this project is to develop necessary technologies for the secure protection of data communication networks. Data encryption equipment, using the federal government's Data Encryption Standard (DES) algorithm, was designed and developed. This equipment is the Link Access Control and Encryption (Link ACE) system. ...

(Link); Lim B. and C. Ruf, A High-Resolution Full-Earth Disk Model for Evaluating Synthetic Aperture Passive Microwave Observations From GEO, IEEE ...

... a three-day International Microwave Landing System Symposium in Washington, DC, November 30 ... Descriptors : *LANDING AIDS, DATA LINKS. ...

... Accession Number : ADA062999. Title : European Microwave Outages (Blackout of German Scope Comm Links, October thru February 76). ...

Jul 18, 2011 ... Public access site for The Wilkinson Microwave Anisotropy Probe and associated information about cosmology.

BackgroundAngiotensin-converting enzyme (ACE) metabolizes many peptides and plays a key role in blood pressure regulation and vascular remodeling. Elevated ACE levels may be associated with an increased risk for different cardiovascular or respiratory diseases, including asthma. Previously, a molecular mechanism underlying a 5-fold familial increase of ...

Plasma angiotensin I-converting enzyme (ACE) levels are highly genetically determined. A previous segregation-linkage analysis suggested the existence of a functional mutation located within or close to the ACE locus, in almost complete linkage disequilibrium (LD) with the ACE insertion/deletion (I/D) polymorphism and accounting for ...

Interviewee: Matt Ridley DNAi Location:Genome>tour>genome spots>Muscle efficiency Location: Chromosome 17 gene name: ACE (angiotensin converting enzyme) The ACE gene has been linked with physical and athletic performance. Studies with army recruits suggest that people who are homozygous for the longer form of the gene will ...

Terrestrial microwave emission is sensitive to soil moisture. Soil moisture is an important yet unobserved reservoir of the hydrologic cycle linked to precipitation variability. Remote sensing satellites that observe terrestrial microwave emission have the potential to map the spatial and temporal...

The paper describes a microwave refractometer designed to be used in studies of multipath propagation on line-of-sight microwave links, and studies of transhorizon ducting. The application of a GaAs FET amplifier in a feedback loop containing the sampling...

... Cost-Sharing Policies Governing Microwave Relocation from the 2110-2150 Mhz and...ATC), or a voluntarily relocating microwave incumbent in accordance with the formula... (1) All or part of the relocated microwave link was initially co-channel...

Aim:? Angiotensin-converting enzyme 2 (ACE2) is a type I membrane protein that antagonizes the action of angiotensin II. Because of the need for invasive kidney biopsy, little is known about the role of renal ACE2 in human kidney diseases. The authors studied if urinary ACE2 could provide a novel clue to renal ACE2 ...

Diabetic nephropathy is a complication of diabetes and one of the main causes of end-stage renal disease. A possible causal link between renin-angiotensin aldosterone system (RAAS) and diabetes is widely recognized but the mechanisms by which the RAAS may lead to this complication remains unclear. The aim of this study was to evaluate angiotensin-I converting enzyme ...

1. We report a controlled retrospective cohort study of respiratory adverse reactions to ACE inhibitors. Bronchospasm and cough occurred at a higher rate in patients treated with ACE inhibitors, no links with sex, past history of bronchospasm, drug type or dose were found. 2. Cohorts of 1013 patients on angiotensin converting enzyme ...

Background:Pulmonary complications remain the major cause of postoperative mortality in patients with esophageal cancer undergoing esophagectomy. It was unclear whether this dismal complication has a genetic predisposition. We therefore investigated the role of an angiotensin-converting enzyme (ACE) insertion/deletion polymorphism in developing these complications.Methods:We ...

A major source of propagation outages on microwave LOS links is multipath fading caused by steep negative refractive index gradients. The advent of highspeed digital transmission over the DCS microwave LOS links brings into concern the possible degrading ...

This website is a tutorial designed as a resource for the MSc in Satcoms at the University of Surrey. Most of the links are open to the public. Topics include: Transmission line notes and links Microwave measurements laboratory Waveguides and Cavity Resonators Microstrip Antennas Deep space antenna. There is an option for "minimalist" ...

Because rain attenuation continues to be a problem for the operation of microwave links worldwide, this report examines the behavior and the prediction of rain rate and rain attenuation distributions on a worldwide basis. Particular emphasis is placed on ...

... Accession Number : AD0431743. Title : HARD LINE VS MICROWAVE LINK TRADE-OFF STUDY VAFB/NMFPA DATA TRANSMISSION SYSTEM,. ...

This work is a theoretical study of microwave photonic links which use optical frequency modulation (FM) and filter-slope discrimination for demodulation. The high modulation efficiency of optical FM devices is attractive for achieving low noise-figure li...

The paper describes two types of compact fiber-optic links designed to provide dielectric isolation and noise immunity to the interconnection of subminiature microwave field-sensor probes and remotely located test equipment. The system measures the microw...

PTT Research and Delft University of Technology examined the merits of angle diversity for multipath fading reduction on digital microwave links. A dual-polarized hybrid reflector array, suitable for beam switching in the vertical plane, was designed and ...

Conversion to digital transmisson has renewed the concerns about what effects aircraft obstruction of microwave links have on user quality. This is of particular concern where it is necessary to install a telecommunication system that crosses runways and ...

Jan 22, 2011 ... Title: A 60 Meter Delay Stabilized Microwave Fiber Optic Link for 5.3 GHz Reference Signal Distribution on the Shuttle Radar Topography ...

Linking High-Frequency, Automated Measurements of Greenhouse Gas Emissions From Soils With Microwave-Based Estimates of Soil Saturation in Agricultural and ...

Free Space Optical (FSO) links offer high bandwidth and the flexibility of wireless communication links. However, the availability of FSO links is limited by weather patterns like fog and heavy snowfall. Microwave based communication links operating at high frequencies (40 - 43 GHz) have ...

... The high modulation e ciency of optical FM devices is attractive for achieving low noise- gure links, but linear demodulation of the signals is also ...

An investigation of ionizing radiation effects on microwave radio-link equipments MINI-LINK 10 has been performed. These equipments are an integral part in the Swedish Telecom Network. The equipment has been analyzed with respect to radiation effects, and...

... The three basic types of measurements that were performed are third order intermodulation ... 3.1 Third Order Intermodulation Products ...

Follow this link to skip to the main content. Home � Missions � PATH � Overview � Specs / Technology � Sensors � Science Requirements � Field Campaigns ...

... Title : An Investigation of Terrain Related Variables for Predicting the Multipath Fade Depth Distribution on Terrestrial Microwave Links,. ...

Defining the relationship between multiple polymorphisms in a small genomic region and an underlying quantitative trait locus (QTL) represents a major challenge in human genetics. Pedigree analyses have shown that angiotensin I�converting enzyme (ACE) levels are influenced by a QTL located within or close to the ACE gene and most likely resides in the 3? ...

The focus of this study was to investigate Angiotensin Converting Enzyme (ACE) inhibiting activity across 34 teas (Camellia sinensis) produced by 5 different processing methods including green (GT), oolong (OT), white (WT), black (BT) and dark (DT) teas. In vitro ACE inhibitory activity was affected by the tea processing method with IC(50) values for ...

The Drosophila chorion genes amplify in the follicle cells by repeated rounds of reinitiation of DNA replication. ACE3 (amplification control element from the third chromosome) has been identified by a series of deletion experiments as an important control element for amplification of the third-chromosome chorion cluster. Several elements that quantitatively enhance ...

Adverse childhood experiences (ACEs) include verbal, physical, or sexual abuse, as well as family dysfunction (e.g., an incarcerated, mentally ill, or substance-abusing family member; domestic violence; or absence of a parent because of divorce or separation). ACEs have been linked to a range of adverse health outcomes in adulthood, ...

... 02/24/2004: Defense Intell Chief Outlines World Security Climate. ... 02/20/2004: World War II Flying 'Ace' Salutes Racial Progress. ...

Deficiencies in certain physiological pathways are linked with ACE or vasopeptidase inhibitor associated angioedema. Additionally, detection and/or measurement of dipeptidyl peptidase IV (DPP IV) enzyme activity and aminopeptidase P (APP) enzyme activity ...

Xatten into cross linked keratin Wlaments forming the outermost layer, the stratum corneum. The roles, diuretics, nitrates, ACE inhibitors and statins. Diabetic patients and patients with skin conditions (e

Link between aerosol volatile volume and sum of PILS soluble species and 1/ 2Organic Matter (OM) (soluble est.) ACE-Asia: OM about 2 x SO4 mass ...

on information technology. The awareness of a multidimensional information space , open to linking ..... FORTRAN. This system verified the capability of combining ...... but it is essential to ask the question when project goals are being established. ...... is a form of a semantic net, a knowledge representation ...

We analyze the influence of an externally modulated photonic link on the performance of a microwave communications system. From the analysis, we deduce limitations on the photocurrent, magnitude of the relaxation oscillation noise of the laser, third-order intercept point of the preamplifier, and other parameters in order for the photonic ...

... Title : SOTG and the ACE. ... One of the vital Main Subordinate Elements (MSE) of the MEU is the Aviation Combat Element (ACE). ...

... two types of compact fiber-optic links designed to ... The high-sensitivity link (input noise level < 3 micro V) is ... The 15-V dc power for the transmitters is ...

Aligned carbon nanotubes/fibers for applications in vacuum microwave amplifiers W. I. Milne and K are based upon microwave links. The transmitters use microwave amplifiers which in the very near future thermal stability, can be used as the emitter in such applications. This article will describe the plasma

A monoclonal antibody has been prepared against rat angiotensin-converting enzyme (ACE). By selection for antibody binding to endothelial cells of bovine rather than rat origin we have obtained a reagent that has broad cross-species binding properties and that can at the same time serve as a useful marker for the surface of endothelial cells. The IgM-producing clone that we ...

A broad, comprehensive set of attenuation predictions are presented for terrestrial microwave system planning. Detailed aspects of rain structure which affect the calculation of attenuation from a knowledge of the instantaneous precipitation intensities a...

This site informs the reader about studies on the Cosmic Microwave Background (CMB), which is the remnants of the Big Bang. By studying the CMB astronomers can gain knowledge into how the universe began and its early development. Links to research are included.

Microwave Science Header - Artist Concept of a MWSCI Instrument Scanning the Earth's Surface ... Or copy the link below: http://microwavescience.jpl.nasa.gov /gallery/index.cfm. concept. Aperture Synthesis Concept. Image credit: JPL/NASA ...

Microwave Science Header - Artist Concept of a MWSCI Instrument Scanning the Earth's Surface. Home > Gallery > Photo Lab ... Or copy the link below: ... GeoSTAR observes a satellite dish at 50GHz with aperture synthesis. ...

Current coverage diagrams for certain airborne microwave equipments are of the greatest interest to their operators; these equipments include radars, navigation aids, communications, countermeasures sets and command links. A corresponding interest in curr...

The report contains the common carrier microwave construction permit data, such as licensee name, address, transmitter, receiver, path link and antenna information. The data is in state, county latitude and longitude sequence. Two indices are included tha...

Jun 3, 2011 ... AMI, Arcminute MicroKelvin Imager. AMiBA, Array for Microwave Background Anisotropy. APACHE, Antarctic Plateau Anisotropy CHasing Experiment ...

BackgroundAdverse childhood experiences (ACEs) have been consistently linked to psychiatric difficulties in children and adults. However, the long-term effects of ACEs on mental health during the early adult years have been understudied. In addition, many studies are methodologically limited by use of non-representative samples, and ...

Spike (S) proteins, the defining projections of the enveloped coronaviruses (CoVs), mediate cell entry by connecting viruses to plasma membrane receptors and by catalyzing subsequent virus-cell membrane fusions. The latter membrane fusion requires an S protein conformational flexibility that is facilitated by proteolytic cleavages. We hypothesized that the most relevant cellular proteases in this ...

We compared the RF performance of various photodetection architectures for free-space optical links in order to optimize link performance at microwave frequencies. The three architectures studied were a) a p-i-n photodiode with internal resistor, b) a p-i...

the comparison with simulated path-averaged rain rates esti- mated from a line configuration of rain gauges; published 11 April 2007. [1] Microwave links can be used to estimate the path- averaged rain rate along attenuation affecting the link signal and the rain rate. This paper deals with the influence of the spatial

A facile method utilizing microwave irradiation is described that accomplishes the cross-linking reaction of PVA with metallic and bimetallic systems. Nanocomposites of PVA-cross-linked metallic systems such as Pt, Cu, and In and bimetallic systems such as Pt-In, Ag-Pt, Pt-Fe, Cu...

A facile microwave irradiation approach that results in a cross-linking reaction of poly (vinyl alcohol) (PVA) with metallic and bimetallic systems is described. Nanocomposites of PVA cross-linked metallic systems such as Pt, Cu, and In and bimetallic systems such as Pt-In, Ag-P...

We present experimental evidence for the occurrence of energy-gap structure and microwave-assisted tunneling in the IV curves for superconducting thin-film weak links. From measurements of the power and the temperature dependence of the Josephson steps we argue that also the Riedel peak is observable in weak links. (auth)

AbstractMultiple functions of the beta2-adrenergic receptor (ADRB2) and angiotensin-converting enzyme (ACE) genes warrant studies of their associations with aging-related phenotypes. We focus on multimarker analyses and analyses of the effects of compound genotypes of two polymorphisms in the ADRB2 gene, rs1042713 and rs1042714, and 11 polymorphisms of the ...

A detector is described for measuring the envelope shape of a microwave pulse comprised of high-frequency oscillations, the detector comprising: a B-dot loop linking the magnetic field of the microwave pulse; a biased ferrite, that produces a magnetization field flux that links the B-dot loop. The ferrite is ...

Phytochemicals in some foods are a potential source of bioactive safe compounds for cancer chemoprevention. In the present study, we evaluated hot water (HWE), microwaved 50% ethanol (MWE), acidic (ACE), and alkaline (AKE) extracts of the fruit body (sporocarp) of edible Hericium erinaceus (Yamabus...

.P.B.Katehi, \\MRTD: New Time Domain Schemes Based on Multiresolution Analysis", IEEE Trans. Microwave Theory, \\Application of MRTD to Printed Transmission Lines", Proc. MTT- S 1996, pp. 573-576. 4] R. Robertson, E. Tentzeris, M. Krumpholz, L.P.B. Katehi, \\Application of MRTD Analysis to Dielectric Cavity Structures", Proc

Water vapor isotopologues provide a sensitive measure of transport and deep convective influences on water vapor in the UTLS. We use satellite observations from the Atmospheric Chemistry Experiment Fourier Transform Spectrometer (ACE-FTS) to document the global behavior of isotopologues of H2O, including HDO and H2O(18). The ACE-FTS data reveal a minimum ...

Microwave Fiber Optic (MFO) links have attracted much attention recently with their application in wireless access. When a wireless link is in series with the optical link, nonlinear distortion (NLD) of the MFO link becomes the biggest concern. The linearity requirement is high due to the large ...

A microwave detector (10) is provided for measuring the envelope shape of a microwave pulse comprised of high-frequency oscillations. A biased ferrite (26, 28) produces a magnetization field flux that links a B-dot loop (16, 20). The magnetic field of the microwave pulse participates in the formation of the ...

normal Pioneer tracking) via microwave link to the GOE station DSS 61 where it is combined with ... be ideally applicable to two identical stations (two GOE ...

... Start at the Store: 7 Ways to Prevent Foodborne Illness Start at the Store: Prevent Foodborne Illness (video) Eat for a Healthy Heart - Links on ...

Links and directions to data that was producted from the UARS MLS mission. It also describes data coverage periods for the major versions of this data.

In this study, we have measured the microwave power dependence of the surface resistance (Rs) of a YBa2Cu3Ox (YBCO) thin film deposited on an LaAlO3 substrate up to superconductivityquenching microwave power levels. The time-domain technique was used to monitor the electromagnetic response dynamics of a 14 GHz TE011 dielectric sapphire resonator to pulsed ...

of the precision (i.e., random error) of the v5 data (the ...... linked to a forest fire in Idaho (north of the 34�N limit of ...

... Pagination or Media Count : 10. Abstract : Multipath fading leads to a limitation in the availability and/or reliability of microwave links. ...

The combination of solar energy collectors in synchronous orbit with receiving stations on Earth, linked by microwave power-transmitting beams, could be economic, safe and environmentally acceptable.

... AS A FACTOR IN THE DESIGN OF MICROWAVE RELAY LINKS-POST OFFICE ELECTRICAL ENGINEERS JOURNAL, V62, NO4, P239-246. ...

... Abstract : A major source of propagation outages on microwave LOS links is multipath fading caused by steep negative refractive index gradients. ...

Information on the PATH spacecraft's sensors. ... Or copy the link below: http:/ /microwavescience.jpl.nasa.gov/missions/path/sensors/index.cfm ...

Facebook, Yahoo. Or copy the link below: http://microwavescience.jpl.nasa.gov/ instruments/hamsr/scienceresults/index.cfm ...

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Facebook, Yahoo. Or copy the link below: http://microwavescience.jpl.nasa.gov/ dataandtools/index.cfm. airs water vapor. This visualization shows 3D ...

In the course of development of ultrastable ber-optic systems for precise frequency-reference signal ..... of magnetic elds from power supplies on the ...

... concept will enable air, land, and maritime operations ... highly directional microwave and radio links. 12 As mobile GBAD elements relocate to a new ...

... The AN/TPS-35 and AN/TPN-14 subsystems and the associated microwave links are investigated for feasible auto-test monitoring. (Author). ...

There is a scarcity of methods for accurately estimating the mass of rainwater rather than its flux.

... LR Dalton Loker Hydrocarbon Research Institute Departments of Chemistry and of ... data links, rf and microwave distribution, video security systems ...