• 本文提出了全响应数字光纤通信接收机最佳传递函数逼近实现方法

    A method is proposed for the approximation and realization of the optimal transfer function of the receivers in full-response digital fiber-optic communication systems.

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  • 本文分析了激光FM量子噪声数字光纤相干通信接收机性能影响

    This paper deals with the effect of FM quantum noise of laser sources on the receiver performance in coherent fiber-optic communication systems.

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  • 无线通信接收机覆盖了无线电通信、电视广播、无线电广播、雷达定位、遥测遥控、卫星通信以及移动通信系统各个领域。

    Wireless communication receiver applies widely in so many areas such as wireless communication, television, broadcast, radar, satellite communications and so on.

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  • 单边信号短波频段十分拥挤因此接收单边带信号就需要一个抗干扰的通信接收机,过去由于器件的落后,直接影响先进方案的实施。

    SSB signals become very crowed in short-wave frequency range, so a good anti-noise communication receivers is needed to receive SSB signals.

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  • BAE系统公司开发一种新型雷达预警接收机原型,该原型实时识别无线电频率通信活动

    BAE Systems will develop a new radar warning receiver prototype that can identify radio frequency and communications activity in real time.

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  • 现代通信系统中,毫米波频段通常采用超外差接收机混频器作为一级就成为关键部件

    The super-heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system.

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  • 接收机无线电通信系统主要组成部分

    Receiver is a key part of radio communication system.

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  • 无线移动通信中,接收机本地振荡频率载波频率之间往往存在较大的频率偏差AFC用于克服此频偏。

    In wireless communication system, there is a large frequency bias between carrier frequency and local oscillating frequency. AFC is contributed to eliminate it.

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  • 数字通信系统中,数字解调方法已经高速的数字接收机中得到广泛应用

    In digital communication system, the method of all-digital demodulator has been extensive applied to high rate digital receiver.

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  • 移动通信系统中的信号传输方法发射机接收机扩展同步

    Signal transmission method, transmitter, receiver and expanding code synchronous method in mobile communication system.

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  • 应用非协同通信适应接收机系统中,OQPS K信号解调一个难点

    In an adaptive blind receiver used in noncooperative communication, the demodulation of the OQPSK signal is a main difficulty.

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  • 例如便携式卫星接收机手持式个人通信设备中的应用滤波器尺寸提出了严格限制

    Such as the applications of the portable satellite receivers and the handling personal communication equipments limit strictly the size of filter.

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  • 所研制的接收机传输电视数字通信微波转发系统中,已获得良好的试验结果。

    The experimental receiver has been used in a microwave relay system for TV transmission and digital communication, with satisfactory performances.

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  • 移动通信系统中的信号传输方法发射机接收机扩展码同步

    Signal transmitting method, transmitter, receiver and spread-code synchronizing method for mobile communication system.

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  • 基于混沌同步理论,设计出噪声混沌发射机接收机电路阐述了实现同步和保密通信原理

    Based on the theory of chaotic synchronization, a chaotic transmitter and receiver circuit with low noise was proposed, and the principles of synchronization and secure communication were expounded.

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  • 系统包括GPS接收机、GPS中频数据采集器DSP网络通信配器计算机部分。

    The system includes four parts: GPS receiver, GPS IF data acquisition equipment, DSP network communication adapter and computer.

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  • 方法:采用ARM嵌入式系统,并G PS模块北斗接收机数传电台进行串口通信实现数据传输

    Methods an ARM embedded system was used to achieve data transmission by implementing serial communication with GPS module, Beidou receiver and wireless digital broadcasting station.

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  • CD MA通信系统接收机初始同步包括PN同步符号同步、同步、码同步

    Initial synchronisms of CDMA communication system receiver include PN code sync, symbol sync, frame sync, sync of scramble code, and so on.

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  • 短波接收机数字化当前短波通信研究一个重点

    The digitalization of a HF receiver is an important spot in the current communications research field.

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  • 给出色散大色散光纤通信系统中近似实现接收机最佳传递函数电路型式

    The circuit types approaching the realization of the optimal transfer function of the receiver in low- and high-dispersion digital fiber-optic communication systems are given.

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  • 随着现代通信技术飞速发展市场需求不断提高,对射频接收机性能提出了更高要求

    With the rapid development of the communication technique and the growing demand of the markets, the better performance of radio-frequency (RF) wireless receivers is requested.

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  • 本课题扩频通信理论基础,结合目前广泛使用的数字信号处理芯片DSPFPGA研究区域无线电导航系统接收机数字信号处理平台。

    Based on the spread spectrum communication theory, combine digital signal-processing chip DSP and FPGA, this article researches and designs the receiver system for regional radio navigation.

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  • 最后给出了通信发信机、接收机以及干扰机成员仿真模型分析了频率偏移对多频连续干扰性能影响

    Finally, simulation models of FH transmitter, receiver and jammer are presented. The influence of frequency excursion on performance of multi-tone continuous wave jamming is analyzed.

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  • 这个结论对于协作通信接收机设计重要的指导意义。

    It is useful for the receiver design in non-cooperative communication.

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  • 传统通信系统中,接收机通常假设信道附加噪声高斯白噪声情况下设计的。

    In conventional communication systems, receivers are usually designed in the presence of additive Gaussian noises.

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  • 介绍基于TH - PPM调制方式宽带通信系统基础上,深入讨论并行检测接收机方案并分析了其工作原理。

    On the basis of an introduction of TH-PPM UWB communication system, this paper advances a parallel detection receiver scheme.

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  • 通信系统中,接收机同步要求精确地估计一些参数比如载波频率相位偏移

    In communication systems, the synchronization of the receiver requires to accurately estimate a number of parameters such as the carrier frequency and phase offset.

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  • 利用天线分集方案以便系统消除接收机接收到信号衰减现象无线数字通信系统(1)已知的。

    Known are wireless digital communication systems (1) applying an antenna diversity scheme to combat fading in a received signal as received by a receiver in the system.

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  • 随着抗干扰通信体制广泛应用实现概率信道化接收机非常需要的。

    With the wide application of Communication Interference Immunity, it's very necessary to realize the full-probability channelized receiver.

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  • 本文首先讨论移动通信信道各种参数信道估计的影响,介绍了频率选择性信道抽头延迟线模型分集接收技术此基础上阐述了RAKE接收机原理

    The tapped delay model of the multi-path frequency selective fading channels as well as the diversity receiver technique is introduced, and the principles of RAKE receiver are described.

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