短波电台

短波电台天线自动调谐系统检测器工作原理分析

Analysis of Working Principles of Short Wave Radio Antenna Automatic Tuning System Detector

基于CAN总线的短波电台集中遥控系统设计

The Design of Centralized Remote Control System of Short Wave Radio Based on CAN - Bus

短波电台里开始传出丘吉尔那抑扬顿挫的声调。

Churchill 's cadences began to roll out of the shortwave radio .

一种新型短波电台的高速PCI接口的设计与实现

Design and Implementation of High-Speed PCI Interface in a New Short-Wave Transceiver

基于OFDM技术的短波电台系统研究

Research on OFDM-based Short-wave Radio System

由于此ALE系统是为海格通信公司短波电台设计的一个模块，实际方案根据公司电台的实际要求作了优化与改进。

ALE module is optimized and mended in its application , because it is a module of automatic radio of the company .

介绍一种用VC++创建的动态链接库DLL，应用于收发一体半双工短波电台的短波MODEM软件编程，并分析短波MODEM与计算机串口通信实现的方法，详细阐述其通信编程中几个关键技术。

This paper introduces a type of shortwave MODEM software program applied in a semiduplex SW transmitter-receiver , analyses the realization of communication between SW MODEM and computer serial port and thoroughly relates several key techniques of communication .

本文介绍了一种以MCS-51系列单片机为核心的短波电台无人值守智能值班机系统，用来代替值班人员自动接收电台报文并通过公用电话网及时传达报文信息。

In this paper a Short-wave Station Automatic Attending System ( SSAAS ) with an MCS-51 serial single chip microprocessor as the core is introduced , which is used for replacing the attending staff to receive station message and inform them the situation in time through public telephone network .

短波电台主控制器单元的研究与发展

Study and Development of Main Controller Unit In Short-Wave Radio Station

使用传统技术开发的短波电台已经很难满足此需求。

Using traditional technology has been difficult to meet these demands .

短波电台架设和使用中的几个问题

Problems of set up and application for shortwave transmitter receiver

机载短波电台使用问题分析

Analysis and Research on Use of Airborne Shortwave Radio

军用短波电台野战通用自动检测系统测试方法研究

Research on Test Method of General Automatic Test System of Military HF Radio

高频地波雷达短波电台干扰频谱特性研究

Study of frequency spectrum features of short-wave radio interference in HF surface wave radar

用短波电台实现电子邮件的无线转发

Realization of the Wireless Transmission of the E - mail With Short-wave Transmitter - receiver

一种短波电台自动天线调谐器的改进数字化变电站自动化系统

The Improvement on a Sort of Short-wave Automatic Antenna Tuner Automatic system of digital substation

本文短波电台项目为基础，首先描述了现代短波通信的特点以及实现短波通信的意义。

Firstly , it will describe the characteristics and the realizing meaning of the modern short wave communication .

最后对被覆线、卫星和短波电台3种信息传输方式的性能进行了比较。

Finally , performance of three information transmission modes including covered wire , satellite and high-frequency radio is compared .

给出了某型短波电台的中频数字化设计方案，介绍了电台中频数字化部分的实现方法及基本原理。

For the short-wave radios RF digitalization sets higher requirement for the device , higher power consumption , so the IF digital technology is recommended .

特别是在特殊的边海防使用环境中，短波电台更是作为主要机型被广泛用于传送话音、文字、数据和图像等信息。

Especially in the special border defense environment , shortwave radio as the main equipment are widely used in the transmission of voice , text , data and image information .

被绑架后近两个月，里兹卡诺第一次在短波电台听到他的妻子玛莎、两个儿子卡洛斯跟毛里克，他们电台上恳求将他释放。

Two months after his abduction , Lizcano heard his wife , Martha , and sons , Juan Carlos and Mauricio , on a shortwave radio , pleading for his release .

目前国内短波电台测试主要是外场测试，这种方法成本高，操作复杂，而且受地理环境和天气影响较大。

Now the test of local short-wave broadcasting station is mainly based on outfield testings , this kind of method costs is high , also complicated , and be subjected to the geography environment and the weather influences .

第二章研究软件无线电体制SSB短波通信电台抗干扰通信系统中的A／D技术，包括带通采样定理以及如何确定采样的位置、精度、速度。

In chapter 2 we introduce the A / D method , include the band-pass sampling theory and the how to decide the sampling position , sampling accuracy and sampling rate .

ALE（自动链路建立）技术作为短波自适应电台的一个最重要的关键技术，其基本特征有实时信道探测、链路建立、信令及报文传输等。

As an key technology of shortwave automatic radio , Automatic Link Establishment ( ALE ) system features with functions such as channel real time evaluation technique , link establishment , signal and graph transfer and so on .

短波跳频电台抗干扰性能

Research on the Anti-jamming Capabilities for Shortwave of Frequency Hopping Radion

短波跳频电台通信对抗效能研究

Research on the communication countermeasures efficiency of HF frequency hopping

短波跳频电台的发展趋势

Development Trend of Short Wave Frequency hopping Radio

本文针对短波跳频电台信号的特点及短波波段电磁环境的特点，对短波跳频信号的解跳技术进行了分析研究。

Aimed at these characteristics , the realization of the de-hopping technique for short-wave FH signal is analyzed .

酋长回答：“叽、刮、轰、叭、嘻吼、滋-滋-滋-滋…是从短波无线电台学来的。”

The chief replied , " Screech , scratch , honk , buzz , whistle , Z-Z-Z-Z. .. from the short-wave radio . "

本文根据短波跳频电台的发展趋势，重点分析了研制新型短波数字跳频电台所涉及的若干关键技术问题。

Basing on development trend of short wave frequency hopping radio , this paper analyses some key techniques about the new type short wave digital frequency hopping radio .