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Radar System Having Arrangements and Methods for the Decoupling of Transmitting and Receiving Signals and for the Suppression of Interference Radiation
Radar System Having Arrangements and Methods for the Decoupling of Transmitting and Receiving Signals and for the Suppression of Interference Radiation
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机译:具有用于发送信号和接收信号的解耦以及用于抑制干扰辐射的装置和方法的雷达系统
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摘要
Radar system for covering the surroundings, designed such that one or several sequences of identical or similar individual signals are radiated per transmitting antenna in a measuring cycle, which sequences are interlaced where appropriate, wherein the average time interval of said individual signals is greater than the propagation time of received signals that corresponds to the maximally interesting distance, particularly for determining the relative velocity of objects and for increasing the detection sensitivity.;Receiving means are provided in which the signals that are received by reflection from objects are mixed with high-frequency signals, whereby low-frequency receiving signals are generated that represent sequences of individual signals, and the phase position thereof is varied over successive low-frequency individual receiving signals by varying the phase position of the individual transmitting signals and/or of the high-frequency signals used for mixing and/or of the low-frequency individual receiving signals themselves.
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