调频发射机

对调频发射机在中频偏移下的量化噪声分析

An analysis of quantization noise in FM transmitter at intermediate offset frequencies

调频发射机及其推进高校教改的应用

FM transmitter and its application in the promotion of college education reform

基于FPGA的数字调频发射机设计

The Design of Digital Modulation Transmitter Based on FPGA

基于FPGA和DDS数字调频发射机实现

Realization of the Digital Frequency Modulation Transmitter Based on FPGA and DDS

基于全固态调频发射机的调频发射系统应用低功耗射频收发机构建新型RFID安全监测系统及其应用

The New RFID Safety Monitoring System and its Application were Build Using RF Transceiver of Low Power

如果你的手机有一个FM调频发射机如诺基亚N8，你可以激活它，你有一个无线麦克风，与所有的FM收音机的作品。

If you have a phone with a FM transmitter , like Nokia N8 , you can activate it and you have a wireless microphone that works with all FM radios .

全固态调频发射机的特点和维护

The Characteristics and Maintenance of Complete Transistor Frequency Modulation Transmitter

超高射频弹幕武器系统射击效力分析基于全固态调频发射机的调频发射系统

Fire Efficiency Analysis of Superhigh Firing Rate Projectile-Screen Weapon System

制作微型调频发射机

How To Make Micro Frequency Modulation Emitting Machine

S波段超小型调频发射机

Uper small size S band FM transmitter

电视调频发射机的天馈线监测仪

TV and FM Transmitting Antenna-Feeder System Monitor

全固态立体声调频发射机

All solid state FM stereo transmitter

可编程电脑程控调频发射机是一种能解决这个问题的教学辅助设备。

The Computerized Frequency Modulation Transmitter is a kind of teaching assistant equipment that can solve this problem effectively .

与之配使用的是我公司生产的可编程微电脑锁相调频发射机。

Matches the use with it the programmable microcomputer phase-lock frequency modulated transmitter which is the our company produces .

本文介绍了微型调频发射机的一种制作方法及其工作原理。

This paper introduces a method of making micro frequency modulation emitting machine as well as work principle of the machine .

SHD-A型多通道固态调频发射机系统主要应用于航空通信系统一点对多点的声音、振动、测控等基带信号的发射与传输。

SHD-A model transmitter is applied to emit and convey baseband signal of sound , vibration and measure-control in aeronautical communication system from one point to mul-ti-point .

目前正在实施第三期任务：实现对另外调频发射机的控制（共4个频道的8台发射机）。

Now we are working on the third phase , i.e. to monitor and control the other eight Frequency Modulation radio transmitters for the other four radio channels .

介绍了利用MOTOROLA3个芯片实现的多运返销相调频发射机，给出了具体的性能指标，部分计算结果及相应的电路。

A multi-channel phase-locked loop frequency modulation transmitter is briefly described , which is realized by three chips of MOTOROLA . Concrete performances , partial calculated results and corresponding circuits are given .

介绍S波段超小型调频发射机方案的选择、电路设计、结构安排，并对该发射机的稳定性和质量进行了分析。

The selection of plan of super small size S band FM transmitter , its circuit design and structural arrangement are introduced , and the stability and quality of the transmitter are also analyzed .

第一期实现了对电视发射机的计算机控制（共5个频道的10台发射机）；第二期实现了对调频发射机的计算机控制（共3个频道的6台发射机）；

The monitor and control of the TV transmitters ( 10 transmitters for 5 TV channels ) was done in the first phase and Frequency Modulation radio transmitters ( 6 transmitters for 3 channels ) in the second one .

目前，很多新型调频发射机采用数字激励器，声音质量得到明显改善，技术指标也相应提高，使传统的测量方法和测试仪器受到了一定的限制。

To improve the sound quality of FM broadcasting , many FM broadcasting transmitters begin to use digital exciters , which makes the traditional test method and test equipment unsuited for it , bringing about a new problem to measuring FM transmitters .

高效率E类功率放大器在某调频电台发射机中的应用

Application of High Efficiency Class E Power Amplifier to Some FM Transmitter

激励器（exciter）是调频广播发射机的核心部件，它用来将音频信号对调频载波进行调制。

Exciter is the core component of FM broadcast transmitter . It is used to make the audio signal modulate the carrier radio .

利用DSP高速处理系统，按照系统的不同组态实现了调频广播发射机频偏、频响、失真度、信噪比等11项运行技术指标的自动测试。

Using high speed DSP processing system , it realizes automatic testing of eleven running technology indexes according to different configuration of system , such as the frequency response of broadcast transmitter , distortion degree , SNR , and so on .

适应2Mbit/sPCM信号的微波锁相调频遥测发射机是21世纪再入遥测系统中的重要设备。

The microwave FM transmitter locked in phase , which is suitable for 2Mbit / s PCM signal , is the major equipment of the reentrant telemetry system in the 21st century .

结合现有项目，利用现场可编程门阵列（FPGA）和直接数字合成器（DDS）搭建跨波段的调频信号发射机，给出系统实现结构和FPGA控制结构，并编程实现；

Combined with the existing project , a frequency modulation transmitter across bands is designed based on FPGA ( Field Programable Gate Array ) and DDS ( Direct Digital Synthesis ) . The framework of the system and FPGA control structure are given .

调频广播发射机智能综合测试系统的开发

Intellectualized and Integrated Testing System Exploration of FM Broadcasting Transmitter

GB/T4312.1-1984调频广播发射机技术参数和测量方法单声和立体声

Technical parameters and measuring methods for FM broadcasting transmitters & Monophonic and stereophonic

一种高码速率微波锁相调频遥测发射机

A Microwave FM Transmitter Locked in Phase for the High Code Rate Telemetry

调频广播发射机电气参量自动监测

Electric parameters of the FM transmitter automatic monitoring