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1·Frequency modulation is not possible with polychromatic light.

多色光不可能调制频率。

2·Therefore, the tuner is essential to the frequency modulation radio.

所以调频收音机中的频率调谐器是至关重要的。

3·A pulse frequency modulation (PFM) with discrete frequency is designed.

设计了一种离散频率的PF M控制方式。

4·The application of the variode in frequency modulation circuit are discussed.

讨论变容二极管在调频电路中的应用。

5·This thesis studies and designs a wireless interphone of frequency modulation.

本论文研究设计了一款调频无线对讲机。

6·Based on modulation domain analysis, a frequency modulation parameter testing method is proposed.

基于调制域分析，设计了电子产品频率调制参数测试方法。

7·A brief description on the application of the encode in Frequency Modulation Systems (FMS) is given.

简要地说明了磁编码器在FMS(频率调制系统)中的应用。

8·The performance for the frequency modulation of electrical feedback optical transmitters is presented.

本文研究了电反馈光发射机的频率调制特性。

9·The fundamental principle of sub-carrier frequency modulation used for FBG array interrogation is analyzed.

分析了副载波调频技术用于光纤光栅阵列查询的基本原理。

10·One application of CPLD in the measuring system of using frequency modulation displacement sensor is introduced.

介绍了CPLD在调频式位移传感器测量系统中的一种应用。

调频

1·The basic principle of the linear frequency modulation absolute distance interferometric plan and the problems existed in beating frequency measurement are described.

论述了线性调频绝对距离干涉测量方案的基本原理以及拍频测量中存在的问题；

2·On the basis of the principle of range-Doppler coupling of linear frequency modulation signal, a new method of radial velocity estimation for high coupling coefficient is presented.

本文在分析了线性调频信号距离—多普勒耦合原理的基础上，提出了一种高耦合系数条件下径向速度估计的新方法。

3·In order to improve the frequency stability of the frequency modulation circuit and the crystal oscillator, using the temperature compensation circuit is extremely effective method.

为了提高调频电路和晶体振荡器的频率稳定度，采用温度补偿电路是一种极其有效的方法。

4·Nowadays, the mainstream of far field beam smoothing technology adopted by foreign high power laser drivers is smoothing by spectral dispersion (SSD) based upon sinusoidal frequency modulation.

目前，国外高功率激光驱动器实现远场分布平滑化的主流技术是基于正弦调频脉冲的光谱色散平滑技术(SSD)。

5·Broadband noise frequency modulation signal with high precision is commonly used in modern electronic interference system.

宽带高精度的噪声调频信号在现代电子干扰系统中应用广泛。