DPSK modulation/demodulation method, and optical communication device and system using the method在便宜,小型,低功耗的使用DPSK调制的光通信设备和光通信系统中,N:1复用器(125)通过对经DPSK调制编码器(115～117)编码的并行信号逐位地进行时分复用来生成串行信号. In cheap, small, low-power use DPSK modulated...
In the optical communication device and the optical communication system using DPSK modulation whose cost is low, whose size is small and whose power consumption is low, the N:1 multiplexer 125 generates a serial signal by multiplexing a parallel signal coded by the DPSK modulation coding units ...
On Building DPSK Modulation and Demodulation by Software This thesis mainly using the SIMULINK simulation platform which integrated in MATLAB to design a DPSK (Differential Phase Shift Keying)modulation and differential detection system. DPSK (Differential phase shift keying) is a digital modulation, use...
此系列的DPSK解调器是采用光纤延迟线技术,延时1bit。具有输出**平衡,超快响应,超低插入损耗,宽的自由光谱范围等优点,适用于DPSK信号解调,DQPSK解调,OFDM等应用场合。 详情介绍: 此系列的DPSK解调器是采用光纤延迟线技术,延时1bit。具有输出**平衡,超快响应,超低插入损耗,宽的自由光谱范围等优点,适用于DPSK信号解调...
differential phase shift keying(DPSK)communication system.The modulation part adopts the differential coding module to obtain the differential code, perform absolute phase modulation and generate DPSK signal;In the demodulation part,the pseudo-random sequence is restored by differential coherent demodulation....
广泛的仿工具Modelsim,并采用MATLAB来仿测试激励源来对设计进行验证 分析. 3,2.4设计完成及下载 设计完成后,利用ISE工具生成bit文件(也称位流文件),这个bit文件可 以被直接下载到FPGA中,也可以转换为存储编程信息下载到FPGA的配置PROM 芯片中。 3.3MicroBlaze处理器结构 Xilin针对当前嵌入式处理器的应用,推出了两种32...
US20080232815 2006年6月28日 2008年9月25日 Nec Corporation Dpsk Modulation-Demodulation Method, and Optical Communication Device and Optical Communication System Using the SameUS20080232815 * Jun 28, 2006 Sep 25, 2008 Nec Corporation Dpsk Modulation-Demodulation Method, and Optical Communication Device ...
DPSK MODULATION/DEMODULATION METHOD, AND OPTICAL COMMUNICATION DEVICE AND SYSTEM USING THE METHODProvided are an optical communication device and an optical communication system using an inexpensive and small-sized DPSK modulation of a low power consumption. An N:1 multiplexer (125) creates a serial ...
And then the DPSK modulation signal FM modulation, and finally get dual modulation signal. 解调模块首先对接收到的信号进行下边频和抽取处理,而后对降低速率的信号进行FM解调,节省硬件资源. Demodulation module first received signal frequency is lower and the extraction process, then reduce the rate of the...