中频电路 meaning in Chinese
intermediate-frequency circuit
Examples
- 3 the realization of the if circuit of the fmcw millimeter - wave radar is discussed thoroughly
3详细讨论了fmcw毫米波雷达系统的中频电路实现。 - 5 in order to improve the system performances and simplify the if circuit , a new scheme is given , which based on the frequency domain dynamic compression method
5进一步探讨了fmcw毫米波雷达系统接收机中频电路的改进方法，以提高电路性能，降低成本，减小实现的复杂度。 - The character of radar system is restricted by parasitical am . to restrain parasitical am , a low pass filter is used in the if circuit . the result shows that the fmcw detecting range of the radar with the filter is greater than that without
较大的vco寄生调幅对雷达的作用距离有严重影响，对此，本文进行了分析，并提出了一种在中频电路中用滤波电路进行抑制由寄生调幅带来的于扰信号的方法。 - In this paper , the if circuit , the processor based on the pulse count technology and the adaptive signal processing of the system are discussed thoroughly . major contents are abstracted as follows : 1 the evolved . history of the anticollision radar system is given curtly . the development of the signal processing of the radar and the application of the digital signal processing technology to the radar system is summarized
本文重点讨论了毫米波防撞雷达系统的中频电路及其改进、基于脉冲计数新方法的处理机和自适应信号处理等的研究工作，主要研究内容摘要如下： 1简要介绍了防撞雷达系统的发展历史，总结了雷达信号处理的发展和数字信号处理技术在雷达系统中的应用及其实现方法。 - The major contents of this part is composed of the basic principle of the if circuit , the affection of the noise performance of the preamplifier to the whole system , the main constitutes of the receiver and their test results and the modulation circuit of the vco , etc . the test result shows that the performance of these circuits is fairly good
内容涉及：中频电路的基本原理及指标，前置放大电路的噪声性能对整个系统性能的影响，接收机的主要组成部分(前置放大电路、 agc放大电路)的基本原理、实现方法、测试结果及分析和vco的调制信号产生电路的实现及测试结果。与前端联调结果表明该部分电路性能良好。