An optoelectronic detection system based on the optical feedback effect in a direct frequency modulated laser diode is developed.
设计并研制了一套基于光反馈效应的直接频率调制激光二极管光电探测系统。
At present, proximity high frequency RFID (Radio frequency Identification) system based on inductive coupling load modulated technology is used worldwide.
目前，国内外广泛应用的RFID系统是基于感应耦合负载调制技术的近距离高频读写系统。
The invention can alternatively be embodied in a frequency modulated radar system, for which each set of signals comprises a sequence of modulation patterns.
本发明可替代地具体实施为频率调制雷达系统，其每组信号包括调制图案的序列。
Modulated stepped frequency radar is a system to get high resolution range profile with the problem of redundancy.
调频步进雷达是一种距离高分辨率的雷达体制，但是会产生目标冗余的问题。
The paper presents a new radar system based on frequency Modulated Interrupting Continuous Wave (FMICW) by exploiting the hopping frequency technique to improve the capability of HFGWR.
为提高高频地波雷达的抗干扰能力，提出了一种在线性调频中断连续波的基础上基于跳频技术的新高频地波雷达体制。
Cascade multilevel inverter has extensive application in the high voltage variable frequency modulated Speed System for its numerous advantages.
级联式多电平逆变器因其具有众多的优点，在高压变频调速领域中得到广泛应用。
A method of designing linear frequency modulated (LFM) signals with wide bandwidth and an experimental system that can generate many complex waveforms are presented.
文中不仅给出了宽带线性调频(LFM)信号的具体设计方法，而且给出了可产生多种复杂波形的实验信号产生系统及其主要技术指标。
The linearity of the FMCW signal is an important index to appraise the frequency modulated source. It determines the radar range resolution in the system of radar range.
线性调频连续波(FMCW)信号的线性度是衡量线性调频源质量的一个重要指标，在雷达测距系统中，它决定着雷达的距离分辨率。
The linearity of the FMCW signal is an important index to appraise the frequency modulated source. It determines the radar range resolution in the system of radar range.
线性调频连续波(FMCW)信号的线性度是衡量线性调频源质量的一个重要指标，在雷达测距系统中，它决定着雷达的距离分辨率。
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