The wide-band signal microwave radar systems with quasi-continuous transmitting waves for remote sensing sea surface and atmosphere low layers radar monitoring are considered. We concern those systems as scatterometer installed on a coast-line and ground-based meteoroligical radar for the short-term weather forecast. At present in these radars use incoherent or coherent pulse-modulated signals or small base signals with compression. The significant advantages in measurement of parameters of the distributed and volume targets(cloud, rain, turbulence, sea surface and so on) can be received at use of signals with large duration coherent complex modulated pulse. The basic task is the undersirable abnormal siderlobes suppression in the signals compression system output caused by presence Ambiguity Function sidelobes.
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