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RADAR SYSTEM OF REMOTE EARTH SENSING

机译:雷达遥感系统

摘要

FIELD: radio engineering, communication.;SUBSTANCE: method is carried out by inclusion of an unmanned aircraft, a low-speed radio channel of data transfer into the composition of the structural circuit of the available radar system and by variation of the mode of operation of the generator that generates signals with linear-frequency modulation with a modulation period equal to the interval of antenna aperture synthesising, which simultaneously performs functions of the clock pulse oscillator of the wide-band carrier of the radar data transfer channel. The proposed system makes it possible to produce radar data from a board segment of the synthetic aperture radar NI along a noise-immune low-speed communication channel, to process them and to produce radar images with the required resolution in the real time mode.;EFFECT: improved noise immunity relative to active noise.;1 dwg
机译:领域:无线电工程,通信;实质:通过将无人飞机,低速无线电数据传输信道包括到可用雷达系统的结构电路中以及通过改变操作模式来执行该方法发生器产生具有线性频率调制信号的信号,其调制周期等于天线孔径合成的间隔,并同时执行雷达数据传输通道宽带载波的时钟脉冲振荡器的功能。所提出的系统使得能够沿着抗干扰的低速通信信道从合成孔径雷达NI的板段产生雷达数据,进行处理并在实时模式下产生具有所需分辨率的雷达图像。效果:相对于主动噪声,抗噪性提高。; 1 dwg

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