短波发射机

基于FPGA的短波发射机自动调谐系统

Automatic Tuning System of Short-Wave Transmitter Based on FPGA

自动调谐短波发射机

Automatically tuned short-wave transmitter

基于零中频的短波发射机DSP单元设计与实现

Design of High Frequency Transmitter 's DSP Unit Based on Zero-intermediate Frequency Technology

418E型100kW短波发射机高末级的分析与探讨广播电视中心的电磁场干扰及其对策

Interferences of Electromagnetic Field in Radio & TV Center and Their Countermeasures

本文对采用包给消去并复制（EER）方式的单边带短波发射机中相位均衡和包络均衡的电路进行定量分析。

This paper gives out the quantitative analysis of phase equalizing circuit and envelope equalizing circuit o They are used in SSB short wave transmitter in which the Envelope Elimination and Restoration , EER is adopted .

本文简单介绍了广电部进口的10部420C型500kW短波发射机的技术数据和部分主要电路。

The paper is brief on the technical data and main circuits of 420C 500 kW shortwave transmitter inported by Radio , Film & TV Ministry .

一种在大功率短波发射机上实用的单边带调制方式

A Practical Single-sideband Modulation Method on High Power HF Transmitter

短波发射机高周稳定的几个问题

Some Problems about steadiness of high Freguency Short Wave Transmitter

RIZ100K-01/A型大功率短波发射机射频放大器的稳定措施

Measures to Stabilize the Radio-Frequency Amplifier in the RIZ 100K-01 Hi-power Shortwave Transmitter

大功率短波发射机因其波段宽、运行中频率变化多，调整十分困难。

The adJustment ot high-power SW transmitter becomes quite difficult because of its wide wave band and frequent frequency changes in operation .

GB/T9377-1988中波和短波广播发射机测量方法

Methods of measurement for broadcasting transmitters used in MW or SW band

软件无线电在自适应短波通信发射机中的应用

The Application of Software Radio in Adaptive Short-Wave Transmitter

本文介绍的是一个基于单片机技术和虚拟仪器技术开发的《中短波广播发射机调幅度监测系统》。

This paper introduces a system empoldered with SCM technology and virtual instrument technology .

这些高频短波从发射机发出后只能从直线传播。

These high-frequency shout waves are only able to travel in straight paths from the transmitter .

再次从岸基导航台系统的组成和特点出发，逐步深入的介绍了导航台的技术指标要求，介绍了北斗卫星系统、短波宽带发射机、低仰角高效率发射天线等设备。

Thirdly , Starting from the constitution and the properties , the paper states technique guidelines of the navigation beacons about the system , such as " Beidou " satellite positioning system , short-wave wide-band transmitter , high-efficiency antenna with low radiant elevation .

GB/T9376-1988中波和短波调幅广播发射机基本参数

Basic performance parameters for medium wave and shortwave AM broadcasting transmitters

目前，在世界范围内又出现了中短波数字广播发射机的研制和试验，并向着数字化、网络化、自动化的方向迈进。

At present , in the world , the medium-short wave digital radio transmitter is developed and brought forward digitalization and automation .