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无线光通信技术具有通信容量大、传输速率高等众多优点, 在许多场合都有重要的应用, 是现代通信技术研究的一个热点。由于脉冲位置调制 ( PPM ) 有较高的平均功率利用率和抗干扰能力, 故 PPM是无线光通信系统中常用的调制方式。在研究 PPM调制技术的基础上, 就基于 FPG A的无线光通信 PPM调制系统进行设计, 并用 V H D L语言完成了系统的设计和仿真。仿真结果表明, 该设计具有正确性和合理性。-Wireless optical communication technology ha
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在光纤通信系统中,光纤中传输的是二进制光脉冲"0"码和"1"码,它由二进制数字信号对光源进行通断调制而产生。而数字信号是对连续变化的模拟信号进行抽样、量化和编码产生的,称为PCM(pulse code modulation),即脉冲编码调制。这种电的数字信号称为数字基带信号,由PCM电端机产生。-In optical fiber communication systems, fiber-optic transmission of light pulses is a binary "
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飞思卡尔智能车激光调制资料,对搞光电智能车的读者是一个不错的资料-Freescale' s Smart car laser modulation data, engage in intelligent optical reader is a nice car information
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通用红外遥控系统由发射和接收两大部分组成,应用编/解码专用集成电路芯片来进行控制操作,如图1所示。发射部分包括键盘矩阵、编码调制、LED红外发送器;接收部分包括光、电转换放大器、解调、解码电路。
-Universal infrared remote control system consists of transmitting and receiving two major components, application of encoder/decoder ASIC chip for co
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dpim是光通信中使用的一种调制方式,这里提供的是它的环回代码,自己可以根据需要拆开了下载到两块板子上。-dpim is used in an optical modulation, here is its loop-back code, they can download needed two apart on the board.
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利用目前最顶级光通信仿真软件VPI平台,此程序可以仿真实现在光载射频系统中的抑制载波差分相移调制(OCS-DPSK)调制格式-Optical communications using the most top VPI simulation software platform, this program can be simulated to achieve the optical carrier suppressed-carrier RF systems in the differential
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With MATLAB® and Simulink® models that illustrate methods, it supplies a deeper understanding of future ... Overview of Modeling Techniques for Optical Transmission Systems Using MATLAB® and Simulink® ... Self-Coherent Detection and E
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无线光通信基带信号的简单调制,用于光通信中信号的研究与实验室的仿真实验-Optical wireless communication baseband signal simple modulation, for optical communication signal research and laboratory simulation experiment
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对应于之前发送的PWM调制而编写的PWM解调,同样是43KHZ,硅光接收管,显示为12864,单片机STC12C5A60S2。-Corresponding to the previously transmitted PWM modulation PWM demodulation written, the same 43KHZ, silicon optical receiver, displayed as 12864, SCM STC12C5A60S2.
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实现3阶简单编码,可用于光通信调制技术中,光纤传感技术等-3 order to achieve a simple coding, modulation techniques can be used in optical communication, optical fiber sensing technology
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Includes the modulation, demodulation, signal to noise ratio calculation, Multi-machine power system simulation and flow calculation, Image optical flow calculation matlab program.
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Mathematics is part of the subspace, Image optical flow calculation matlab program, Suppressed carrier type differential phase modulation.
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