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中文摘要：
无线电伪随机码的随机性、预先可确定性及自相关性使得它在通信、雷达、测距和导航等重要领域得到广泛的应用。根据伪码测距的原理及方法，设计了一套无线电伪码测距系统，包括伪码产生电路、伪码调制解调原理及相应电路的设计，并运用MATLAB软件进行模拟仿真，井做出结果分析。
英文摘要：
Resulting from the properties of randomness, pre-confirmability and self-correlation, Radio pseudo-random code is applied widely in the fields of communication, radar,navigation and others. According to the principle and methods of pseudo-code for distance measurement, a special radio PN code distance measuring system is designed in this paper. The pseudo-code generation circuits, the pseudo-code modulationdemodulation circuits and transmitting and receiving circuits are presented too. The simulation is completed based on MATLAB software, and the results of simulation are analyzed.
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