1) ultraviolet communication
紫外通信
1.
In this paper,transmission rate of ultraviolet communication system has been enhanced by using a kind of demodulation method with AVR microcontroller;this method,which has properly dealt with the transition area problems of 2FSK signals,has properly demodulated the original signals from the modulated signals.
提出了一种用AVR单片机解调来提高紫外通信系统的传输速率的方法,采用AVR单片机设计解调电路,较好地处理2FSK信号的过渡带问题,使传输的信息经调制后能正确解调,传输速率可达到4。
2.
Transmission rate of ultraviolet communication system has been enhanced by using a kind of demodulation method with FPGA,with the method which has properly solved the transition area problems of 2FSK signals,we have properly demodulated original signal from a modulated signal.
提出了一种用FPGA解调来提高紫外通信系统的传输速率的方法;采用FPGA设计解调电路,很好地处理了2FSK信号的过渡带问题,使传输的信息经调制后能正确解调;在传输速率为9。
2) UV communication
紫外通信
1.
The working wavelength of UV communication system is confirmed numerically.
利用大气传输模型LOWTRAN对紫外波段的大气传输特性进行了模拟研究,定量考虑了紫外通信系统工作波段的确定,分析了能见度、地理位置、气候季节、传输距离、传播方向、海拔高度和天气情况等对大气紫外透射比的影响。
2.
Using ultraviolet fluorescent lamp as the light source, combining frequency modulation and demodulation technology can achieve a UV communication system with low date rates.
以紫外荧光灯为光源,结合调频和鉴频技术可实现低速率下的紫外通信。
3) UV communication
紫外光通信
1.
UV communication is introduced including its composing, working method and principle.
介绍了紫外光通信系统的技术构成以及工作方式和原理,并分析了大气对紫外光通信的影响。
2.
In the paper, the characteristics and operating modes of UV communication and the main factors affecting UV communication are described.
介绍了紫外光通信的性能特点、链路工作方式及影响紫外光通信的主要因素,并分析了紫外光音频通信系统的设备构成及其在军事作战和演习中的应用。
3.
A speech parameter compensation model aiming at UV communication was established by using LSP parameter.
利用线谱对参数建立了针对紫外光通信的语音参数补偿模型,采用基于LSF参数奇偶采样插值方法和丢失能量线性补偿法,对样本的丢包补偿前后相关系数和音质进行了对比。
4) ultraviolet communication
紫外光通信
1.
The design of Ultraviolet communication's speech compression system based on DSP
基于DSP的紫外光通信语音压缩系统设计
2.
Based on Lambert law,a formula about photo-power received by ultraviolet communication system of intensity modulate/direct detection was deduced.
依据Lambert定律对强度调制/直接探测紫外光通信系统的接收光功率计算公式进行推导,公式表明,距离平方反比衰减和大气透射比衰减是导致接收光功率随距离增大迅速衰减的主要因素,提高通信系统的传输距离只能依靠优化收发系统参数实现;重点针对引起大气透射比衰减的主要因素,利用大气传输软件MODTRAN进行仿真,结果表明,不同大气模型、天气条件和臭氧浓度对大气透射比衰减产生较大影响,从而影响系统的工作距离;根据理论和仿真结果计算出“日盲区”分别在三类主要因素影响下的大气透射比系数的量值,为“日盲”紫外光通信系统工作距离的定量估算提供实用、有效的方法。
3.
Based on Studying the ultraviolet distribution characteristics in free space,several applications of ultraviolet tech- nology in military are introduced,including ultraviolet communication,ultraviolet alarm,ultraviolet detection,and ultravio- let guide and so on.
以紫外光在自由大气空间分布特性为基础,介绍了紫外光学技术在几种军事工程中的应用,主要包括紫外光通信、紫外告警、紫外侦察及紫外制导等技术,讨论了其系统的工作原理及特点,分析了军用紫外光学技术需要突破的关键技术和难点。
5) UVC Ultraviolet Communication
紫外线通信
6) Non-Line-of-Sight Ultraviolet communication
非视线紫外通信
补充资料：波导通信(见毫米波通信)
波导通信(见毫米波通信)
wave guide communication
bodao tongxin波导通信(wave guide communieation)见毫米波通信。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条