Multifunctional microwave combination design method and device for bistatic satellite-borne SAR system
A combined design and multi-functional technology, applied in the direction of measuring devices, radio wave measurement systems, radio wave reflection/reradiation, etc., can solve the problems of low accuracy of amplitude and phase consistency, complex circuits, high technical difficulty, etc., to achieve suppression The effect of signal leakage and high-quality transmission
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[0012] The specific implementation manner of the present invention will be further described below in conjunction with the drawings and specific embodiments.
[0013] Such as figure 1 As shown, a multi-functional microwave combination design method and device for a dual-base spaceborne SAR system divides the entire microwave combination device into a three-layer compact structure. 4 3dB bridges are interconnected, and the bridge has a cross-backup function to realize 8-channel multi-mode receiving and output; the middle layer is a power conversion unit and a control distribution unit, which provides the required ±5V and -12V for the 4-channel multi-functional transceiver components Control codes for power and multifunction modes.
[0014] Such as figure 2 As shown, the L-band transceiver component specifically includes:
[0015] 1) The microwave circuit inside the module is made of Rogers circuit board. The bottom surface of the circuit board is all stratum, which is paste...
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