无线电通信技术

UWB是新一代的无线电通信技术，虽然它的历史渊源，可以追溯到一百年前波波夫和马可尼发明越洋无线电报的时代，现代意义上的超宽带UWB无线技术，出现于六十年代。

UWB is the wireless communication technology of new generation , though its historical origin can be traced back to 100 years ago .

因此改善短波通信性能，提高其抗干扰能力，就成了短波无线电通信技术不断创新和发展的重要课题，跳频（FH）通信技术也随之应运而生。

For HF communications , improving its performance and enhancing its anti-interference capabilities have become an important topic of innovation and development , and frequency-hopping ( FH ) communications technology will be timely .

本文围绕着智能家电网络展开论述，提出了利用现有PC强大的功能，结合红外线、无线电通信技术，语音识别技术、网络通信技术和计算机控制技术来实现对家用电器的智能控制。

This paper mainly discusses the intelligent HEA network control system . A method is put forward to compose the system , which is to use the powerful Personal Computer ( PC ) as the main controller , and infrared , wireless , speech recognition and internet are included .

认为RKE是无线电通信技术与机械汽车技术的完美结合，是无线控制的一个很好的应用。

It is a perfect integration between technology of wireless communication and mechanical technology of the car . It is also the great application of wireless control .

无线电通信技术中同时调谐两个或多个电路的过程。

In radiocommunications , the simultaneous tuning of two or more circuits .

集束无线电通信技术高速公路主干通信网的通信技术探讨

Discussion on Communication technology of the backbone communication network of the expressway

利用计算机技术和无线电通信技术实现远距离无线测控是实现自动控制的要求。

It is requirement of automatic control with computer technology and radio communication technology on remote control .

自适应天线阵列综合技术是现代无线电通信技术发展的一个重要领域。

The synthesis technique of adaptive antenna arrays is an important area in the development of modern wireless communication technique .

在无线电通信技术中，供一般接收而发送无线电波的声、像节目的传输方式。

In radiocommunications , the transmission , by means of radiowaves , of programs of sound and vision for general reception .

在无线电通信技术中，接收信号的强度由于传播通路上电离条件的改变而引起的变化。

In radiocommunications , pertaining to variations in the received signal strength due to varying ionization conditions over the propagation path .

自由空间激光通信技术起源较早，近几年基于成熟的光纤通信技术和无线电通信技术，自由空间激光通信技术发展较快。

Free-space laser communications based on optical fiber communications and wireless communications is not a new technology , but it is developing rapidly .

系统采用了先进的无线电通信技术、全球卫星定位技术、计算机技术和地理信息处理技术。集雷达探测技术，通信指挥调度，卫星定位，无线电报警管理于一体。

The system adopts advanced technology of wireless correspondence , global location of satellite , of computer , and of management of geographical information .

蓝牙无线技术是一种小范围无线电通信技术，旨在保持高安全级得基础上，在便携式设备与固定设备之间实现无线连接。

Bluetooth wireless technology is a short-range communications technology intended to replacce the cables connecting portable and fixed devices while maintaining high levels of security .

介绍采用无线电通信技术、定位传感器和微机技术的新型列车控制系统，并对该系统的发展趋势进行了探讨。

A new train control system using radio communication , location sensor and microcomputer is introduced . And the development trend of the system is discussed .

随着无线电通信技术在各个邻域的广泛应用，有限的频谱资源日益紧缺，对频谱进行监测和管理势在必行。

With the wide use of radio communication technology in every field , the limited spectrum resources become more and more insufficient , so spectrum monitoring and management get quite imperative .

随着无线电通信技术的迅速发展，射频接收机作为无线通信系统的最前端，其指标的优劣直接影响着整个通信系统的性能。

With the rapid development of wireless communication technology , the index of the RF receiver , which serves as the front end of entire wireless communication system , determines the capability of the whole system .

近年来，随着无线电通信技术的飞速发展和频段覆盖密度的增加，无线电测向和定位技术得到更深层次的应用。

With the rapid development of radio communication technology , and the correspondingly growing range and density of airwaves , wireless direction finding ( DF ) and location have been applied in more and more fields .

该系统采用计算机与无线电通信技术，通过实时收集汽车作业情况，给出实时调度指令，存储有关生产信息，实现露天矿主要设备的动态调度。

The system uses computer and radio communication technology to realize the dynamic dispatching of the main equipment in the open pit mine by collecting real time truck operation data , sending out real time dispatching commands and storing related production information .

然而，一些运营商会不计后果的滥用无线电通信技术，各类无线通信电台总量剧增，无线电产品和技术的应用在一定程度上出现了影响民航业务和安全的乱象。

However , some operation chamber of commerce recklessly abuse radio communication technology , the total of many kinds of radio communication station increases sharply . Radio products and technology applications to some extent has an impact on civil aviation operations and safety .

跳时技术是超宽带无线电通信技术的一个重要组成部分，在该系统中起着至关重要的作用。

For Ultra WideBand ( UWB ) communication technology , the design of Time-Hopping ( TH ) sequences is a critical point and good TH correlation property is desired . In the UWB wireless communication system , time-hopping technique plays a key role .

近十几年来，由于无线电通信技术的迅速发展和广泛普及，信号环境日益复杂，调制识别技术遇到了不少新的挑战。

In the last decade , with the rapid development and wide application of radio communication technology , the signal environment is getting more and more complex , as a result , more and more challenging problems are encountered by the modulation recognition community .

低功耗无线电通信技术、嵌入式计算技术和微型传感器等技术的飞速发展和日益成熟，微型传感器通过无线链路自组织成的无线传感器网络在工业控制中将得到越来越多的应用。

The technologies in radio-communications of low power dissipation , embedded computing , and micro transducers have been developing rapidly and becoming increasingly ripe . Radio transducer networks self-organized by micro transducers through radio links are more and more widely applied in industry control .

无线电通信技术广泛应用于社会的各个领域，极大促进了经济的发展，无线电频率资源作为一种国家资源非常有限，是一切无线通信赖以生存的基本源泉。

Radio telecommunication technology has been applied widely in every field of society , and increased the development of the economy . Radio frequency is the foundation of all the radio telecommunication . However , as one of the national resources , radio frequency is limited .

随着现代信息化技术的发展，特别是无线电通信技术的迅猛发展，微带天线以其体积小、重量轻、结构稳定、馈电方式灵活、易于共形和批量生产等优点在无线电探测领域得到广泛应用。

With the development of modern information technology , especially the rapid development of wireless communications technology , microstrip antenna has been widely used with its small size , light weight , structural stability , feed flexible , easy-to-volume production in the field of military technology .

随着无线电通信技术的高速发展，各种无线电技术和无线电业务得以广泛应用和普及，各种无线电应用对无线电频率资源的需求与日俱增，频谱资源日益紧张。

Along with the radio communication technology high speed development , all kinds of wireless technology and the radio business to a widely used and popularization , all kinds of wireless application on radio frequency resource demand grows day by day , the spectrum resources grow tension .

GB15304-1994全球海上遇险安全系统（GMDSS）船用无线电通信设备技术要求

Aeronautical communications log Global maritime distress and safety system ( GMDSS ) & Technical requirement for marine telecommunication equipment

软件无线电通信关键技术的发展状况

Development of Software Radio

微机电系统、处理器、无线电通信以及存储技术的进步促进了无线传感网络飞速发展。

Recent advances in MEMS ( micro-electromechanical systems ), processor , radio , and memory technologies have dramatically enabled development of wireless sensor networks .

以现代通信理论为基础，数字信号处理技术为核心，微电子技术为支撑的软件无线电是近代通信技术发展的重要产物。

Software Radio , with the digital signal processing technology as the core , is based on modern communication theory , and supported by microelectronics technology .

在现代无线电和雷达通信技术中，低噪声信号源对提高系统性能起着举足轻重的作用，而信号源相位噪声是其中最主要的限制因素。

In the modem technology of wireless and radar communication , low-noise signal source is very important for improving system performance . The source phase noise is one of the most important limiting factors .