Early used to detect objects without photoelectric sensor is a small metal cylindrical equipment, with a camera calibration transmitter, will focus on optical receivers, the receiver will be receiving a cable superimposes the vacuum tube amplifiers.
早期的用来检测物体有无的光电传感器是一种小的金属圆柱形设备，发射器带一个校准镜头，将光聚焦射向接收器，接收器出电缆将这套装置接到一个真空管放大器上。
Considering the pointing errors of transmitter and receiver, a model for optimizing optically preamplified satellite optical communication systems are established according to average bit error rate or burst error rate, and the optimal antenna parameters are given.
同时考虑发射机、接收机的瞄准误差，建立了前置光放大接收卫星激光通信系统链路的优化模型，根据该模型可按平均误码率或突发误码率要求对通信系统天线参数进行优化设计，给出了光学天线的最优参数。
A special-purpose optical transmitter, an optical receiver and a programmable logic device are used to design system circuit to realize asynchronous multiplexing fiber optic transmisson of multiway serial interface signal with different baud rate.
该系统采用可编程逻辑器件结合专用光电发送和光电接收器进行设计，实现了不同速率的多路串口信号复用的光纤传输。
Based on this optical label swapping system, several main parts are studied in the paper including the influence of MZM extinction ratio, SOA`s insert current, input power of receiver module, pumping power, and probing power on bit error rate and relationship between wavelength conversion and conversion efficiency.
研究表明，不同因素对误码率的影响是相互制约的，要全面提高光标记系统的性能，必须综合考虑各方面的因素。所以存在最佳的MZM消光比、半导体光放大器偏置电流、泵浦功率、探测功率使得误码率最小。另一方面，当探测光波长接近泵浦光波长的时候，转换功率达到最大值。
From this the sansitivity and the desired filter of the receiver are also determined. The power margin of the optical fiber relay system is determined from the loss transfer funct...
数字计算的结果表明，对于低、中速率，短距离光纤系统，探测器接收的光脉冲波形可以用高斯脉冲波形来等效，从而简化系统的设计。
Then, a new method of dealing with the backscattered light was presented by using a double passage optical receiver.
针对近距离后向散射光的上述特点，提出了采用双通道光学接收系统处理后向散射光的方法。
The optical receiver consists of a differential photodetector, a differential transimpedance amplifier, three limiting amplifiers and an output circuit.
该光接收机包括差分光电探测器，差分跨阻前置放大器，三级限幅放大器和一个输出电路。
This paper introduces the key technologies of burst mode optical receiver and transmitter module in APON system, and proposes a method of designing 155 Mb/s burst mode optical receiver and transmitter module.
分析了实现对 APON系统上行信号的突发式光发射和突发式光接收的关键技术，提出了开发适合于 1 5 5 Mb/s数据速率的突发式光发射模块和突发式光接收模块的实现方法。
This dissertation chooses received directly system, at the same time makes the simple introduction to the heterodyne receiver, and then carries on the preliminary analysis on optical antenna.
本文选用的是直接检测接收机的实现方案，同时对外差接收机也做了简单介绍，并对光学天线的类型和各自的结构特点进行了初步的分析。
The aim is furthermore attained by a method according to which light is emitted from an optical emitter element (2). An optical receiver element (3) captures the light emerging in the area of emergence of the light from the side of the nose and records the incoming values and calculates therefrom diagnostically utilizable parameters.
该目的还通过一种方法得以实现，其中，光从一光学发射元件(2)发出，在光从鼻翼发出的区域内，一光学接收元件(3)接收发出的光并将相关数值记录下来，从中计算出诊断用参数。
The method comprises the following steps: the data collected by a sensor arranged on a thimble is subjected to A/D conversion firstly for converting analog signals into digital signals, and buffered by an MCU to drive an optical signal emitter to emit optical signals; an optical signal receiver receives the emitted optical signals, and converts the emitted optical signals into electrical signals which are buffered by the MCU and converted into standard serial port signals; and the standard serial port signals are uploaded to a computer for monitoring.
其方法是在套环上的传感器采集的数据先经过A/D转换将模拟信号转换成数字信号，经过MCU缓冲并驱动光信号发射器发射光信号；光信号接收器接收到发射光信号后，光信号接收器将发射光信号转化为电信号，这些电信号数据由MCU缓冲，并转换为标准串口信号上传至负责监控的计算机。
The company main product has the fiber optic transmission equipment, the wide band amplifier, the branch, the divider, the low power switching power supply, the electronic fitting and so on. in 2007 the company produces the CATV light receiver, the CATV two way amplifier, the 1550nm erbium-doped optical fiber amplifier series, the 1310nm photoemission machine series have obtained China to broadcast the movie television bureau to issue enter the net certificate.
公司主要产品有光纤传输设备、宽带放大器、分支器、分配器、小功率开关电源、电子配件等。2007年公司生产的CATV光接收机、CATV双向放大器、1550nm掺铒光纤放大器系列、1310nm光发射机系列已获得中国广播电影电视总局颁发的入网证书。2006年和2009年公司分别取得ISO9001-2000质量体系认证和企业AAA信用等级证书。
In the optical signal transmitted to the media through conduction receiver.
光信号在通过传导介质传送到接收端。
At first, through analyzing the process of coding and decoding, we have demonstrated modified optical duobinary signals have capability in reduction of pulse-to-pulse interaction, and could be directly measured through a conventional binary intensity modulation direct detection receiver.
作者的主要工作及本文的主要贡献如下：第一，提出并证明了三种适合于常规光信号传输系统的新型调制码，包括：改进型光双二进制码、暗脉冲归零码、基于暗脉冲归零码的正交调制码。
This article mainly introduce the composing part of the Quasi-Optical SIS receiver for millimeter wave, which is working on 4K temperature and designed by ourselves, and according to the characteristic index of our prepared SIS junction device, we calculate and design the integrated chip for 300GHz wave range, fabricated with planar antenna and junction.
本文主要讨论了我们自行研究设计工作在4K温度，准光学系统的毫米波超导SIS接收机的组成部件，根据我们制备的超导SIS隧道结器件的特性指标，计算设计了300GHz波段的超导接收机天线和结的集成芯片。
The effect of crosstalk, optical extinction-ratio of signal and the receiver threshold on the system BER performance is calculated and analyzed in detail, and the problem of the effects of extinction-ratio and threshold in the crosstalk analysis is solved.
指出在考虑串扰影响时，信号光的消光比在10-13dB比较合适，系统的总串扰抑止比大于40dB以后系统受串扰的影响已经可以忽略。
For setting up and maintaining a steady and reliable link between the transmitter and the receiver, ATP(Acquisition, Tracking and Pointing) technology plays a key role in free-space optical communication System.
空间光通信以其高带宽、高码率、高保密性强、抗干扰及体积小、重量轻、低功耗等优点成为光通信发展的重要方向，目前已成为各国空—天制约和竞争的热点。
Chi-Yu Electronics, gathered a large number of advanced technologies and `professional management personnel, is committed to improving the production of cable TV network accessories, through the fifteen years of struggle, is capable of producing, including the wild type two-way optical receiver to enlarge` `optical workstation and Indoor type integrated branch distributor `shell series, as well as die-casting metal` `` connectors, such as plastic products, up more than 1000 kinds of products.
宇驰电子，聚集大量的先进技术`专业员及管理人才，致力于生产精益求精的有线电视网络配件，通过十五年的奋斗历程，已能生产包括野外形双向放大`光接收机`光工作站和室内型一体化分支分配器`终端盒外壳系列等，以及压铸`五金`塑料`接插件等系列产品，产品多达1000多种。
Soon after the thesis researches that PMD effects optical communication system. It researches on pulse widening which caused by PMD, worsen to sensitivity of receiver, influence on receiver frequency spectrum by computer emulation.
接着研究了偏振模色散对光通信系统的影响，通过计算机仿真研究了PMD引起的脉冲展宽，对接收机灵敏度的恶化和对接收机频谱的影响。
Huacong takes the series products of Video-Optical transimitter and receiver as its Starting foundation. And it`s marching for the higher, further and wider target through market exploring, Tech-reforming, and coperation of our customers and partners, and solid Technic and research to extend the scopes of Communication and project control.
华聪光电公司以视频光端机系列产品为创业基础，经过不断的市场探索和技术革新，以及广大客户与合作伙伴的协助，凭借雄厚的技术实力以及研发后盾，延伸到通信、工控等领域，向着更高更远更广的目标进取！