The station is designed for countermeasures to satellite communications, organized via geostationary radio relay satellites in the following frequency band ranges • Channel Earth - Satellite: 7900-8400 MHz • Channel Satellite - Earth: 7250-7750 MHz Satellite radio communication suppression station ensures reception of radio signals from satellites in the frequency range 7250- 7750 MHz and radiation of interfering and exploring radio signals to the satellite in the frequency range 7900-8400 MHz Satellite radio communication countermeasures station realizes simultaneous radio signal reception and radiation.
PRODUCT OVERVIEWThe station is designed for countermeasures to satellitecommunications,organized via geostationary radio relay satellites inthe following frequency band ranges
Satellite radio communication suppression station ensuresreceptionof radio signals from satellites in the frequency range7250-7750 MHz and radiation of interfering and exploring radiosignalsto the satellite in the frequency range 7900-8400 MHzSatellite radio communication countermeasures station realizessimultaneous radio signal reception and radiation
Product main operation modes are: “Pointing”,” Panorama”, “Analysis”, “Exploration”, “Jamming”.
“Pointing” mode comes to pointing the antenna system (AS) of the product on a given relay satellite.The given mode provides possibility of received radio signals frequencies panorama displaying that allows operator to executefine-tuning of antenna system (refinement of the coordinates manually), obtaining maximum rating of total power of acceptedsignals.
“Panorama” mode is intended for detection of Satellite-to-Earth channel radio signals, forming of database on relay satellitebasic RF channels traffic and the dynamics of its changes. As a result of detection a list of radio signals is formed, which isreplenishedin the future by their exact characteristics, measured in the “Analysis” mode.
“Analysis” mode is intended for automatic technical analysis of radio signals (parameter measurement) and recording of themeasurements results to the database. As the result of analysis of the radio signals the following parameters are defined: centerfrequency, band, modulation format, signal/noise ratio, modulating figure duration. Carried out analysis of radio signal allows toclassify radio signals of FDMA networks with ВРSК and QРSК modulation. In the CDMA net analysis, there are simultaneouslyseveral radio signals with different parameters. This mode provides possibility to automatically detect the code compaction and tomeasure parameters of the expansion code.
“Exploration” mode is intended to measure the frequency spacing of relay satellite basic RF channels and the delay ofsignalon a rout Station-Satellite-Station. In this mode the operator sets the reception frequency of the retransmitting probe-signal,power and frequency of the radiation. Detection of the received probe signal, measurement of frequency spacing and delay isimplemented by using the correlation functions of frequency and time at the level of the received signal less than the noise level.
“Jamming” mode is intended for formation and radiation of interfering signal on one or more frequencies. Radiation frequencyis calculated from the frequencies of radio signals, chosen by the operator from the database for jamming, taking into accountfrequency spacing of relay satellite basic RF channels. Irradiation of jamming radio signals on several (up to 8) frequencies isimplemented quasi-simultaneously.
Type of jamming signal is set from the selection: FSK, BPSK, QPSK with manipulation by pseudo-random law with a givensymbol rate, or noise with a specified width of the radio spectrum. Simultaneously with irradiation of jamming signal, suppressedsignal from the satellite is received, by characteristics of which the effectiveness of jamming is evaluated.
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ABOUT SPETS TECHNO EXPORT
State Foreign Trade Enterprise “SpetsTechnoExport” is a fully state-run entity incorporated by the Government of Ukraine in 1998 for export-import activities at foreign armaments markets.
7, Stepana Bandery Avenue
Kyiv, 04073, Ukraine
tel: +380 44 5685070
fax: +380 44 5685068
110057, New Delhi
tel: +91 11 26153792
fax: +91 11 26153830
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