The experiment of the first intermediate frequency FM FDM video signal from Asia satellite l was demonstrated.
系统进行了以传输亚洲一号卫星信号地面接收站第一中频多路电视信号为目标的现场实验。
In fact, due to their lower frequency, at similar RF exposure levels, the body absorbs up to five times more of the signal from FM radio and television than from base stations.
事实上，由于频率较低，在射频接触水平相同的情况下，人体从调频收音机和电视吸收的信号比从基台吸收的信号要多四倍。
The features of pseudo code PM-carrier FM combined signal include the pseudo code and the modulation frequency.
伪码调相-载波调频复合信号的识别特征包括伪码特征和频率调制特征。
The FM response magnitude and phase variation effects laser on the high speed frequency switching.
FM响应的大小和相位变化影响激光器的高速频率交换。
Music in mobile phone can be pulled out through Bluetooth and transmitted to car sound box over FM frequency.
在汽车里面和蓝牙手机连接，通过FM的频率，把手机中的声音在汽车音箱里面播放出来。
Doppler centric frequency is influenced much greater than Doppler FM rate and azimuth resolution is.
对多普勒中心频率影响大，对多普勒调频斜率及方位分辨率影响小。
The FM noise and AM noise of a negative frequency feedback (NFFB) semiconductor laser(LD)are presented. The FM noise (linewidth)can be reduced greatly by NFFB technique under proper conditions.
本文用半经典理论研究了负频反馈（NFFB）半导体激光器的FM和AM噪声。在适当的条件下，FM噪声（线宽）可用NFFB技术得到极大的抑制。
The digitized FM system is actually a Direct Digital Synthesis (DDS) system that the frequency of the output is controllable.
该方案实际上是一个输出频率受控的直接数字频率合成(DDS)系统。
The FM noise and AM noise of a negative frequency feedback (NFFB) semiconductor laser(LD)are presented.
本文用半经典理论研究了负频反馈（NFFB）半导体激光器的FM和AM噪声。
Cellphones send signals to nearby towers via radio frequency waves, a form of energy similar to FM radio waves and microwaves.
手机经过射频电波(一种与调频电波和微波类似的能量方式)，将信号发送至左近的信号塔。
Transmitter has a high frequency stability and big FM deviation and can also operate under the changing of power supply voltage in the range of. 30%.
其发射机频率稳定度高，调制频偏大，在电源电压变化约30%的条件下亦能稳定工作。
In the paper, the method to estimate instantaneous frequency of AM-FM signals using the peak of the WVD and its performances are studied.
该文研究了应用WVD谱峰检测估计AM - FM信号的瞬时频率的方法及其性能。
This paper analyzes the technology of frequency agility and FM fixed-distance in the field of radio fuze.
本文研究了无线电引信中的频率捷变调频定距技术。
In this paper, we start from the energy point of view, use AM-FM modulation model and formant frequency, to remove the vocalic interference which vast majority of energy in the useful speech.
本文从能量角度入手，利用调频-调幅模型和共振峰特征，滤除混叠在有用语音中的含绝大部分能量的元音干扰。
There is a growing interest in the frequency modulated continuous wave (FM-CW) SAR for its advantages such as small cubage, light weight, cost-effective and high resolution.
调频连续波(FM -CW)合成孔径雷达因其体积小、重量轻、成本低及分辨率高等特点越来越受到关注。
The US PsyOps team set up its own portable FM transmitter, utilising the same frequency, in the deserted city of Al Khafji.
美国心理战行动组设置了它自己的移动式调频发射机，用了相同的频率，在一个荒废的城市Al Khafji。
The design will be a stable work, high performance, small volume, easy tuning, high receiving sensitivity, frequency reference selection is flexible, can realize the automatic searching FM radio.
该设计将是一台工作稳定、高性能、体积小、易调谐、接收灵敏度高、参考频率选择灵活、可实现自动搜台的调频收音机。
Chapter 3 considers location of a stationary target with time-varying emitting signal, such as frequency hopping signal and linear FM signal.
在第三章里，主要研究了频率时变信号（如频率捷变信号和线性调频信号）的定位算法。
The chip reference program RDA5807M FM, program initialization, set the frequency, automatic station search, set the volume reconciliation RDS.
RDA5807 M FM芯片参考程序，主要是程序的初始化、设置频率、自动搜台、设置音量和解rds。
Frequency modulation(FM): the form of modulation in which the frequency of the carrier is varied in accordance with the instantaneous value of the modulating signal.
频率调制：载波的频率依照调校讯号的瞬时值而改变的一种调制。
The FM system is used for changing the oscillating frequency of the magnetron.
调频机构用来改变磁控管的振荡频率。
The interference effects of single frequency, digitally modulated signal and radar signal to FM TV systems are studied by means of the subjective and objective measurements.
通过主观测量和客观测量研究了单频、数字调制信号和雷达信号对调频电视系统的干扰效应。
In frequently used methods, sine wave is used as carrier with amplitude modulation (am), frequency modulation (FM) and phase modulation (PM) implied.
常用的调制方式使用正弦波作为载波并对其进行幅度调制(AM)和角度调制即调频(FM)或调相(PM)。
FM sound sync-broadcasting has overlapped service zone, the same carrier frequency and the source of the program, which can broadcast in-phase at the same time.
调频同步广播系统是具有重叠服务区，使用同一载频和同一节目源，同时同相位广播的调频发射技术。
This paper presents a design of Adaptive-Bandwidth Frequency Synthesizers used in single chip FM receiver system.
本文介绍了应用在单芯片FM接收系统中可变带宽频率综合器的设计。
Two kinds of typical wideband signal, Frequency Modulation (FM) signal and Frequency Spread signal, is analyzed qualitatively with wideband Ambiguity Function.
以宽带模糊度函数为工具定性地分析了两类典型宽带信号，即调频信号和频率分集信号。
Noise frequency modulation (FM) jamming, which belongs to blanket jamming, is already become the main form of noise jamming at present, because the wideband was gained by it.
噪声调频干扰属于压制式干扰，由于它容易达到宽的干扰带宽，已经成了目前噪声干扰的主要形式。
This oscillator has been successfully used in solid state FM-CW radar system, microwave scatterometer, FM-jamming stations and frequency-agile local oscillator.
该固态源已成功地应用于FM - CW雷达、微波散射计、噪声调频干扰信号源、捷变本振源等方面。
Gives an analysis on the non linearity in frequency modulation when a varactor modulates directly in a FM ranging fuze, and shows its influence on the precision of ranging.
分析了调频定距引信中采用变容二极管直接调频时调制的非线性及其对定距精度的影响。
Gives an analysis on the non linearity in frequency modulation when a varactor modulates directly in a FM ranging fuze, and shows its influence on the precision of ranging.
分析了调频定距引信中采用变容二极管直接调频时调制的非线性及其对定距精度的影响。
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