... The design employs a differential structure. ... The input is adapted to 100 differential, and the outputs use standard Low Voltage Differential Signaling (LVDS). ... T/H SINGLE T/H Single Input T/H Single Output 1.35 0.15 0.2 T/H DIFFERENTIAL Input T/H Output T/H 0.1 1.3 0.05 volts volts Figure 5: Digital part and digital gate 0 1.25 -0.05 -0.1 1.2 Integrated Test System A test system is integrated on chip to evaluate the transmission to the data acquisition card (fig: 7). ...

... In the following table we list only the best results for each GPU: GPU b oard ATI 7950 3GB ATI 6950 1GB ATI 7770 1GB CPU Intel Core i5-2400 AMD Athlon II X4 630 Intel CoreDuo Quad CPU Q6600 Driver version 12.6 11.6 12.6 B uffe r numbe 32K 32K 32K 32K 32K 32K lenght and r of buffers B в 512 B в 512 B в 256 B в 512 B в 128 B в 512 M a x S p eed MSample/s 225MS/s Double 370MS/s Single 200MS/s Double 310MS/s Single 60MS/s Double 160MS/s Single Figure 1: SpectralGpu Logo Version 1.0, November 2012. ...

... Torgashina, Gert de Lange, Leo de Jongb, Pavel A Yagoubovb a The Kotel'nikov Institute of Radio Engineering and Electronics, Moscow, Russia b SRON Netherlands Institute for Space Research, Groningen, the Netherlands Abstract--A Superconducting Integrated Receiver (SIR) developed for balloon borne instrument TELIS covers frequency range 450-650 GHz. The DSB noise temperature was measured as low as 120 K. The SIR application for high resolution spectroscopy of breathed out air has been proven. ...

... Flight 1) 2) 3) Flight 1) 2) 3) model FM1 has the following parts: LNA MY-18, serial number PN 01-0252, factory number FM1; receiver box KRT-18, serial number PN 17660-01, factory number FM-001; DC-DC converters IVEP1 and IVEP2, factory number 05. model FM2 has the following parts: LNA MY-18, serial number PN 01-0252, factory number FM2; Receiver box KRT-18 serial number PN 17660-01, factory number FM-002; DC-DC converters IVEP1 and IVEP2 factory number 06. ... See Appendix 1. ... 2003. ... 2004 . ...

Up: Software Systems and Tools . Previous: CIRSI Data Reduction System - CIRDR . ... A parallel algorithm applicator has recently been added to the AIPS++ system. ... This demonstration will show the first use of this class to deconvolve a large spectral line cube within AIPS++. ... The Algorithm (Clark CLEAN) processes receive a plane from the dirty image and deconvolution parameters from the Applicator, deconvolves the image, and send the results back to the Applicator. ...

... 3.2 Dichroic/fold mirror mount tilt stability test.. ... 3.2 Dichroic/fold mirror mount tilt stability test 3.2.1 Mount design Brief descriptions of mount as used for dichroic or mirror, with a 3d drawing. ... MRO-TRE-CAM-1100-0142 Page 5 of 7 3.3 Lens mount stability test 3.3.1 Mount design Brief description of mount, with a 3d drawing. ... 5 Camera Enclosure 5.1 Enclosure design Description of camera enclosure, its relationship to camera mount and emphasise what is different from CoDR design. ...

Section I: Introduction to ALFA and GALFA . Section II: System Description . ... ALFA receives 7 beams, 2 polarizations per beam, each covering 1225-1525 MHz. The 14 IF signals cover nominally the 100 to 400 MHz band. ... A high-resolution, low-bandwidth spectrometer (8K channels covering a 7 MHz bandwidth) . ... Each spectrometer board handles two polarizations from one telescope beam.The baseband signals are to be digitized by four 8-bit ADCs at 100 Msamples/sec. ... Bandwidth: . ...

MAtrix Radiometric System project MARS. ... Three-module experimental radiometric matrix was designed and put in operation successfully. Flowchart of the one channel is shown in Figure 1. ... Figure 1. ... In figure 2 the receiver module and switch assembly is shown. ... The elementary radiometers are combined ( figure 3 ) into the microwave unit ( one pair of horns shown is out of use ), where they integrated to use unified systems for calibration, power supply and temperature control. ...

... Director of the RAS ISR . RAS Academician . ... Astrophysics module Kvant of the orbital complex Mir launched in 1987 contains the largest on the station complex of the scientific equipment named the orbital observatory Roentgen. Observatory Roentgen consists of 4 X-ray telescopes, jointly exceeding the range of energies from 2 to 800 keV. ... Among the most significant results that were received in the observatory Roentgen are: . ... measurement of the periods of 9 X-ray pulsars; . ...

with results in a deliverable A deliverable is something tangible and measurable Imager can be thought of as having three stages Design Build Integration The 1) 2) 3) Design · Optical design (90% complete ) ­ Have done a preliminary tolerance analysis but still need to polish this off before sending to optician · Mechanical design (90% complete ) ­ Need to add tolerances ­ Need to produce and review shop drawings · Electronics design (10% ... 01.2 .. ...

This page is a mirror of the ION SADS page available at http://sads.cnes.fr:8010 . Besides the information already available on this page, there you can browse the ION QuickLook images. ... The ION experiment flown on the Interball-Aurora mission performs simultaneous ion and electron measurements. Two mass spectrometers looking in opposing directions perpendicular to the satellite spin axis, which points toward the sun, measure ions in the mass and energy ranges 1-32 amu and ~ 0 to 14,000 eV. ...

SOME RESULTS FROM INTMINS . The experiment can be performed when the electron beam (instrument ISTOCHNIK ) and plasma blobs (instrument ARIEL ) are injected approximately along or perpendicular to the Earth's magnetic field. ... The pulses of frequency of 1000 Hz will generate EM waves and its harmonics. ... To increase the electron gun pulse duration up to D t = 0.5 f -1 ( D t = 5x10 -4 s) and to stabilise their frequency as good as possible. ... Back to the INTMINS Main Page ...

... HST . ... Missions . ... Data . ... Hubble Heritage Project . ... Missions Office . ... HST Overview . ... Phase I Proposing . ... Cycle 24 Announcement . ... The Fine Guidance Sensors (FGS), originally designed and built by the Perkin-Elmer Corporation in Danbury, CT (now Goodrich Corporation Optical and Space Systems), comprise a set of three radial-bay instruments on board the Hubble Space Telescope (HST). ... This revised instrument replaced FGS1 during the second Hubble Servicing Mission in...

MAIN CHARACTERISTICS BASIC MODIFICATIONS TEST RESULTS . ... integrated drop tests in order to verify the strength of DM modified shell and equipment attachment points, functional check of new chairs and DM structure, determination of shock impacts onto the crew to verify landing safety; . ... nominal landing with the main parachute system (MPS) - drop #1 took place on December 24, 1998; . ... reduction of shock g-loads values at landing in accordance with decrease of landing speeds. MAIN | ...

RADIOASTROPHYSICAL DEPARTMENT • INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . ... SSRT - Receiving systems . The SSRT has two independent receiving systems for recording solar observational data, and several ancillary receivers for checking, setting up and adjusting the instrument. The base receiving systen is a multichannel filter receiver for a simultaneous recording in 180 channels with the 500 kHz band each, adjusted at steps of about 600 kHz. ... Channel's band . ...

... We present the results of our new observations of TYC 0075 01143 1, a recently discovered double-mode Scuti variable. We improved the frequencies and and pulsation amplitudes, detected the interaction frequencies , , and a possible nonradial frequency . ... The finding chart of TYC 0075 01143 1. ... Using our new observations of TYC 0075 01143 1, we improved the frequencies and , detected oscillations corresponding to interaction between and : and ; we also found a possible nonradial frequency . ...

Next: Regression Analysis Up: Computational Methods Previous: Fitting of data . As the last step in the reduction sequence, the scientific analysis of the data is dealing with the statistical comparison between models and the extracted parameters. Although this falls outside image processing it is an important part of the reductions and is included in modern data reduction systems. ... Regression Analysis . Statistical Tests . ... Pascal Ballester . Tue Mar 28 16:52:29 MET DST 1995 ...

... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Venus . ... Sky this Month . ... Astronomy for Kids . ... Is the incredibly slow rotation of Venus a result of a geologic cataclysm? ... It appears unlikely that resurfacing, if it occurred, led to the slow rotation rate of Venus, but it certainly may have caused some changes to the speed. ... Get instant access to subscriber content on Astronomy.com! ... If you are already registered on Astronomy.com, please log in below. ...

Radio Interferometry Principles . Radio Interferometry Signal Processing . ... A radio interferometer consists of a pair of directional antennas that are tuned to receive radio emissions from a source in a desired RF band. ... The antennas are pointed at the radio source of interest and are set up to receive the signal and process it into a form suitable for transmission to the correlator. ... In connected element interferometry, the digital signal goes directly to the correlator. ...

... We describe a simple and effective use of the X Toolkit (Xt) selection mechanism by which data in an X program can be tagged with string iden­ tifiers and then accessed externally by other programs. ... The XPA mechanism is conceptually rather simple. ... Use of XPA in SAOimage As previously mentioned, the XPA interface will be used by SAOimage to allow any external program to retrieve information or to control the display directly, by accessing the tagged data items in the program. ...