1) LFM Reception
线性调频接收
3) wireless frequency modulation transmitter and receiver
无线调频发射与接收
4) FM receiver
调频接收机
1.
A digital FM receiver is designed in module, which can implements such automatic programcontrolling functions as frequency searching, locking, storing, displaying and so on in the receiver.
数字式调频接收机采用模块化设计,在单片机89C51的控制下,实现了多种自动程控频率搜索、锁定、存储、显示等功能。
2.
This paper introduces the concept of frequency synthesis; and according to the principle of FM receiver, advances the general design scheme of the system, and probes into the design of hardware and software.
介绍了频率合成的概念,根据调频接收机的原理,提出了系统的整体设计方案,并探讨了硬件和软件设计。
6) linear frequency modulation
线性调频
1.
The Pre-condition for Variable Capacitance Diode Frequency Modulator Obtaining the Linear Frequency Modulation;
变容二极管调频器获得线性调频的条件
2.
Parameter estimation of linear frequency modulation radar signal based on the improved high-order ambiguity function;
基于改进HAF的线性调频雷达信号参数估计
3.
Study on Laser Linear Frequency Modulation in SAL;
合成孔径激光雷达中激光线性调频技术研究
补充资料:调频
载波的瞬时频率按调制信号的变化而变,但振幅不变的调制方式。载波经调频后成为调频波。用调频波传送信号可避免幅度干扰的影响而提高通信质量。广泛应用在通信、调频立体声广播和电视中。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条