YBOMJ

说明：  如题，产生线性调频信号及通过匹配滤波处理(The linear frequency modulation signal is generated and processed by matched filtering)

这是DTMB标准的发送对的MATLAB建模，包括多种信道模型和多种调制方式，可以进行灵活切换。(This is the DTMB standard to send the MATLAB modeling, including a variety of channel models and a variety of modulation, can be a flexible switch.)

说明：  温度报警系统程序，已经调试成功的，没有问题。(emperature alarm system program, has been successfully debugged, no problem.)

说明：  快变信道估计设计与实现 oFDM系统的论述；快变信道下OFDM系统仿真设计；快变信道下的OFDM同步；快变信道下OFDM系统的信道估计；完成毕业设计论文。(Discussions on the design and implementation of fast-varying channel estimation; simulation design of OFDM system in fast-varying channel; synchronization of OFDM system in fast-varying channel; channel estimation of OFDM system in fast-varying channel; completion of graduation thesis.)

说明：  2. 关于无线信道的多普勒谱，请回答以下问题： (1) 在某些无线信道中，多普勒频移会引起无线信道输出信号的混叠。请描述产生混叠的各种原因； (2) 无线信道中的多普勒谱有一种经典谱(classic spectrum)，请解释产生这种谱形状的机理； (3) 请用Simulink工具编写代码(S-Function方式)，产生一单径瑞利信道，其多普勒谱为经典谱，其中移动速率为120km/h。并请回答：证明自己用计算机产生的经典谱是正确的可能方法。 (On the wireless channel of the Doppler spectrum, please answer the following questions: (1) In some radio channels, the Doppler frequency shift will cause the output signal of the wireless channel aliasing. Please describe the aliasing produced a variety of reasons (2) wireless channel in the Doppler spectrum has a classical spectrum (classic spectrum), please explain the mechanism of produce such spectral shape (3), please use the Simulink tool to write code ( S-Function mode), resulting in a single-path Rayleigh channel, the Doppler spectrum for the classical spectrum, including mobile rate of 120km/h. And requested the answer: that they used computer-generated classical spectrum is the right possible way.)

不同GI长度的OFDM-QAM系统性能仿真(Performance simulation of OFDM-QAM systems with different GI lengths)

完整的Verilog验证模型，包括设备完整的状态。(Complete verilog Verification Model)

4FSK调制解调的matlab代码。采用相干解调的方式4FSK进行解调，与大多数方案的包络检波不同。基带信号用四种电平来表示，与调制信号相区分。(Demodulation matlab code 4FSK modulation. Coherent demodulation 4FSK demodulates Unlike most programs envelope detector,. The baseband signal is represented with four level distinguish phase with the modulation signal.)

用MSCOMM控件控制FXPLC全部输出/全部关闭/单独输出(MSCOMM control with full output control FXPLC/All off/single output)

使用VC对并口进行访问和控制的VC程序示例，该程序完全用API完成(parallel to the use of VC visit and control procedures VC example, the procedure is totally complete with API)