angularSptrumWithLen

说明：  使用MATLAB实现CDMA系统的RAKE接收机，并给出了合并后的系统性能。并给出将数字调制改成QPSK时修改后的程序。(RAKE receiver for CDMA system)

this is a code that shows QAM consetellation with data repetition (3 time repetition) the transmitted signal goes through flat fading Rayleigh channel

LCD_nokia5110. C51程序。 LCD_nokia5110. C51程序。(LCD_nokia5110)

说明：  VB写的通过串口与考勤机连接通讯的程序,便于工作查看，调试。(VB written through the serial port and Attendance Machine Connection Communication Procedures, easy to see the work, debugging.)

说明：  CONVERT A MATRIX TO LOWER TRIANGULAR MATRIX

说明：  conversion of a matrix into lower triangular matrix

实现20m双绞线有线通讯，一端控制另一端小灯亮暗，反过来，一端发送字符，另一端显示浮点数(Realize 20m twisted-pair cable communication, one end controls the light of the other end, conversely, one end sends characters, the other end shows floating-point numbers.)

基带脉冲成形数字滤波器的MATLAB设计与DSP上的实现(shaping filter and dsp realize theory )

常用数字调制技术，包括BPSK，OQPSK，QPSK，MSK，GMSK，QAM等的调制解调仿真程序，并且包含AWGN及衰落信道下的仿真，对学习数字调制技术有较大帮助(Commonly used digital modulation techniques, including BPSK, OQPSK, QPSK, MSK, GMSK, QAM modulation and demodulation simulation program such and includes AWGN and fading channel simulation, the study of digital modulation techniques of great help)

验证可用，MinkowskiMethod算法 ,计算一维光子晶体的透射特性和反射特性。( Verification is available, MinkowskiMethod algorithm, Calculated transmission characteristics and reflection characteristics of the one-dimensional photonic crystals.)