Some recent results ( see ) attracted the attentions of astronomers working on field which could benefits from photon counting techniques with high speed and spatial resolutions as adaptive optics. ... Fasti has been designed to be fast and largerly configurable. ... The data rate attined in the best case (30 Mhz), give no impossible load to the digital acquisition in the photon counting mode, since data are 1 bit only, they can be parallelized, giving a maximum speed of about 940.000 32 bit word/sec. ...

... In order to complete the design of the restoration algorithm we have to select the regularization function . ... Therefore is also called a ``whitening filter'' (Yaroslavsky 1985). ... The application of the optimal whitening filter leads to a constant power density spectrum. Obviously the modulus of the transfer function of the optimal whitening filter must be reciprocal to the modulus of the transfer function of the original signal. ... Fig. 2 shows an example for whitening operator . ...

We have designed the laboratory model of static Fourier spectrometer for onboard usage for spectral study of atmosphere and ionosphere. The gain of model is to simulate onboard FS which will not have any moving elements (all its optical elements will be mounted at fused quartz monolithic construction), to compare experimental results with theoretical estimations and to measure MTF of CCD array. ... This fact connected with low frequency response of CCD array due to small format of it. ...

Next: NAOS Computer Aided Control: an Optimized and Astronomer-Oriented Way of Controlling Large Adaptive Optics Systems . ... It also provides additional capabilities such as real time optimization of the control loop which is the warranty for NAOS to achieve a very good Strehl Ratio in a broad magnitude range ( = 8 up to 18), on-line turbulence and performance estimations and finally capability to store and process the data necessary to the off-line PSF reconstruction algorithm. ...

... In agreement with 3mm map (Voronkov et al. (2006) · 7mm Upgrade ­ still to do - fabricate spares for cryostats and conversion modules. ... Conversion Optical to electronic scheme RTM RTM DSP Board DSP Board DSP Board DSP Board Optical to electronic scheme DSP Board DSP Board DSP Board DSP Board RTM RTM RTM RTM Conversion sampling RTM RTM sampling Local oscillator distribution (antenna) Electrical to optical scheme ...

The computed band passes. ... The interim correlator input is filtered by 8 analog filters (50 Mhz wide at the 260 Mhz IF... one for each sub correlator). ... For bandwidths of 25 Mhz and below the real data stream is digitally down converted to complex samples I, Q streams. ... The Top figure is the halfband filter bandpass computed from the filter coefficients. ... The computed filter has aliased power, extra IQ filtering, and two applications of the filter on the resulting real bandpass. ...

OptInt PmWiki . MROI Delay Line / . Test Results . ... Page History | ... Requirements . ... Return to Test Results ( Edit ) . ... Restore . ... Performance Test Results (INT-406-VEN-0109) [MF] . ... Test results document relating tests to derived requirements [MF] . ... FDR test results: . ... Test results document relating to derived requirements . ... Index of FITS log files containing test results supporting FDR submission . ... Test results working document(s) (not for submission) . ...

OFICCIAL PRESS RELEASE . ... At S.P. Korolev Rocket and Space Corporation Energia the regular session of the Board of Chief Designers on the Russian Segment of the International Space Station (ISS) was held under the chairmanship of N.N. Sevastianov, President, General Designer of RSC Energia. ... Charge RSC Energia (N.N. Sevastianov) with submitting this decision to the Federal Space Agency and higher-level state structures. ... Official WEB-site of S.P.Korolev RSC Energia . ...

... The design, fabrication and testing of a reliable, low-cost, multiplexed temperature measurement system with a resolution and stability approaching 0.01њ C is described. This system, with 176 temperature sensors, will be used to monitor the performance of a 3.5 m borosilicate mirror ventilation system. ... We have assembled and tested a simple and reliable temperature measurement system with 176 sensors and a differential drift over two weeks of less than 0.07њC peak to peak. ...

NGC FRONT-END FOR CCDS AND AO APPLICATIONS Javier Reyes, Mark Downing, Leander Mehrgan, Manfred Meyer and Ralf Conzelman European Southern Observatory, Karl-Schwarzschild-Str. 2, 85748 Garching, Germany Abstract: The New General detector Controller (NGC) at ESO aims at covering optical, infrared and wavefront sensing applications with a single controller. ... In addition, the adaptation of the NGC frontend to the future ESO CCD head for AO and the control of the L3 devices is presented. ...

Swift/ XRT radiation damage and results from the lab using a proton-damaged CCD Claudio Pagani (Swift/ XRT team) XMM Calibration Meeting, Leicester, 7/3/2012 XRT CCD e2v CCD -22 detector (developed for EPIC MOS camera on XMM) Operated in Photon Counting (PC) and Windowed Timing (WT) mode 4 55Fe corner sources continuously illuminate CCD corners, used to monitor CCD performance Spectral resolution at launch: FWHM = 135 eV at Mn K- (5.9 ...

... The choice of the spectrograph design (Fig.2) is determined by the quantity R, the overall dimensions of the PF cage and the restrictions on the rigidity of the structure of the device. ... As the camera's objective a fast 4-lens aplanat is used having a focal distance F cam =140 mm and a relative aperture of 1:1.8, the resolution at the centre is no less than 80 gr/mm, that over the field at a distance of 3 mm from the edge along the frame ( ) diagonal is 35 gr/mm. ...

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. ...

... The PlutoCCD CCD is a video rate, low noise, 2048 x 1024 element, 9-micron or 12-micron pixel back-illuminated CCD. ... PlutoCCD 2048 x 1024 Element Split-Frame Transfer CCD . ... A picture of a Split Frame Transfer version of the PlutoCCD CCD is shown in Figure 2-1. ... As can be seen in Table 2-2, which documents the performance measured for the design, the 12-micron PlutoCCD CCD achieves less than 5 electrons rms. noise, full well exceeding 240,000 electrons, and linearity better than one percent...

... COMPUTER SIMULATION OF RADIOWAVE MULTIPLE SCATTERING EFFECTS IN IONOSPHERE USING MONTE-CARLO METHOD . ... Distribution of reflected radiation on the ground is computed. ... Such influence can be remarkable if the scattering is multiple, i.e. the optical thickness for the scattering process is considerably greater than a unit. ... Radiation energy transfer in the slab is modeled by distribution of some particles carring small portions of radiation energy. ... The isotropic plasma approximation is...

Russian Space Science Internet (RSSI) is a successful result of RSSI Project. ... space oriented organizations; . ... RSSI offers for its members : . ... videoconferences via MBONE Internet protocol (there are 2 tunnels available now through the general IP network: one to NASA Internet, and another to Moscow State University); . ... It is designed so that all organizations connected to the RSSI gain access to the resources of Russian computer networks as well as world wide Internet. ... nic@rssi.ru ...

... Design, fabrication and experimental studies of a novel device: Cold Electron Bolometer (CEB). ... The Cold-Electron Bolometer (CEB) proposed at Chalmers University is a novel device, which could be a turning point in realization of modern supersensitive detectors. ... The key element of my research is design, fabrication and studies of such terahertz band cold electron bolometer with attowatt sensitivity, to develop a novel type of bolometer in which electrons are cooled below the phonon...

The 14 th International Astronomy Olympiad has been held successfully in Hangzhou (China) on November 8-16, 2009. ... There were 17 teams participated and 1 team observed in the XIV IAO: . ... Sunday, November 8 - Day of arrival . ... Thursday, November 12 - Day of excursions . ... M. G. Gavrilov (IAO Chairman) - Chairman, . J. Zhu (Beijing, XIV IAO-2009 and X IAO-2005 LOC Chairman), . ... Dr. Michael G. Gavrilov, Founding Chairman and Coordinator of the International Astronomy Olympiad (IAO) . ...

Find Similar Abstracts . ... Interface between a hot and cold gas and the evolution of cold clouds in intergalactic space . ... COLD GAS, GAS-GAS INTERACTIONS, HIGH TEMPERATURE GASES, INTERGALACTIC MEDIA, TEMPERATURE GRADIENTS, THERMAL CONDUCTIVITY, CONDENSING, COOLING, ENERGY DISSIPATION, EVAPORATION, GALACTIC EVOLUTION, HEAT TRANSFER, INTERSTELLAR GAS, RADIATIVE HEAT TRANSFER, TEMPERATURE PROFILES, THERMAL DIFFUSION, THERMAL RADIATION, THERMAL STABILITY, THERMODYNAMIC EQUILIBRIUM . ...

Improvement and New Results of the Laser Time Transfer on MEO satellites Meng Wendong, Zhang Haifeng, Yang Huafeng, Chen Wanzhen, Wang Jie, Ivan Prochazka , Zhang Zhongping Shanghai Observatory, CAS China Academy of Space Technology Czech Technical University Goals of Laser Time Transfer ( LTT ) · Evaluate the performance of the space rubidium clocks with respective to the ground hydrogen maser, dedicated for the Compass ...