frequency modulation signal是什么意思_frequency modulation signal中文

frequency modulation signal中文什么意思

调频信号

frequency modulation: 【电学】调频，频率调制；调频播送。
signal: n. 1.信号，暗号；信号器。 2.动机，导火线 (fo ...
frequency modulation signal generator: 调频信号发生器
frequency modulation television signal: 调频电视信号
modulation signal: 调制信号

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The specific route is as follows : firstly , the output signals from the multipath sensor are nornalized , i . e . , all sensor signals ( including the analog data ) are transformed into multipath square wave pulse signals to form multipath parallel condition codes . these codes are treated as input signals for dac to obtain a series of dispersed analog signals for output as input signals for the vco . finally , a high frequency modulation signal is conducted at the vco ' s output
具体技术路线如下：先将由多路传感器输出的信号进行归一化处理，即将所有传感器信号(包括模拟量)转换成多路方波脉冲信号，以形成多位并行信号的状态码，将其作为dac的数据输入信号，从而得到一系列离散的模拟信号输出，作为vco的输入信号，最终在vco输出端形成高频的调制信号。
Pulse compression technique is widely used in modern radar systems . large timeband product signals such as linear frequency modulation signals ( lfm ) , nonlinear frequency modulation signals ( nlfm ) , phase coded signals and so on are used in pulse compression technique to improve the resolution in range domain
现代雷达系统广泛采用脉冲压缩技术,在确保雷达作用距离和速度分辨力的前提下,采用大时带积脉冲压缩信号:如线性调频( lfm ) 、非线性调频( nlfm )和相位编码信号等,提高距离分辨力。
This system can process linear frequency modulation signals ( lfm ) , nonlinear frequency modulation signals ( nlfm ) and taylor quadriphase code signals with time width under 42 s and band width under 5mhz . the experimental results demonstrate that the specification characteristics meet the requirements of practical radar systems
该系统可处理时宽在42 s以内?带宽在5mhz以下的线性调频信号( lfm ) ,非线性调频信号( nlfm )和taylor四相码信号,且技术指标完全满足实用系统的设计要求。
This makes wide - band digital receiver become a certain trend in the detecting and intercepting of radar signals field . in this dissertation , the parameter estimation algorithms for the monopulse signal , the linear frequency modulation signal and the phase coded signal are studied . according to the algorithms , a hardware platform is set up and tested using tms320c6713b mainly
本文对单脉冲信号、线性调频信号和相位编码信号这三种常见的雷达信号的参数估计算法作了研究和验证,并根据这些算法要求,立足于当前数字信号处理芯片( dsp )的发展,基于tms320c6713b构建了一个信号参数估计的硬件平台。

frequency modulation signal中文什么意思

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