Pseudo-random Code Phase Modulation Radar Receiver Front-end Study

The receiver front is an important part of Radar system. It should operate thefeebleness signal received by the antenna, and restrain the noise. Its performance directlyaffects the Radar system's work. This paper designs a receiver front used in a measuringangle radar.At first, the theory of pseudo-Random Code radar is introduced in the dissertation,and a method of measuring angle is also presented. Then the scheme of the receiver front isdiscussed. With the ADS(Advanced Design System) software, the six-way power divider,LNA and mixer, which uses the chip of HMC412MS8G, are designed. The test resultshows that the components can meet the requirement of the front system. At last, the layoutsolution of the receiver front is given based on the components above.