atsjebutes__short

弹性网和Lasso的代码 用来变量选择的好工具(Lasso code)

M-PSk(M=2,4,8)-grayencoded, in AWGN channel,plot BER and SER, compare it with theorical results

说明：  用MATLAB产生线性跳频信号，中心频率和带宽可调(Using MATLAB to generate linear frequency hopping signal with adjustable center frequency and bandwidth)

说明：  基带信号bpsk仿真，基带传输基本方波信号、sinc信号，对过程添加高斯白噪声，接收端用匹配滤波器进行接受，计算实际信号误码率，并于理论误码率进行比较(BPSK simulation of baseband signal. Baseband transmits basic square wave signal and sinc signal. Gaussian white noise is added to the process. Matched filter is used to receive the received signal. The error rate of actual signal is calculated and compared with the theoretical error rate)

编写MATLAB程序，数值求解转子动力学分岔图(The MATLAB program is programmed to solve the bifurcation diagram of rotor dynamics.)

说明：  C++ 上位机原程序，测试USB3.0 和 FPGA 之间流传输速度。包含所有源代码。速度传输稳定，显示实时速度(The C++ host computer program tests the streaming speed between USB3.0 and FPGA. Contains all source code. Speed transmission is stable, showing real-time speed)

说明：  3. 瑞利信道中的调制解调、信道估计： (1) 请推导出单径瑞利信道中的BPSK相干解调的理论误码率性能，并画出比特信噪比与误码率的关系曲线。 (2) 在单径瑞利信道中，请设计一种时分的导引辅助的信道估计方法，用Simulink进行仿真，测量BPSK的误码率性能，画出比特信噪比与误码率的关系曲线，并与理论误码率曲线进行对比。(3. Modulation demodulation and channel estimation in Rayleigh channel: (1) deduce the theoretical bit error rate performance of BPSK coherent demodulation in single-path Rayleigh channel, and draw the relationship curve between bit signal-to-noise ratio and bit error rate. (2) in single-path Rayleigh channel, please design a time-division guidance assisted channel estimation method, Simulink simulation, measure the bit error rate performance of BPSK, draw the relationship curve between bit SNR and bit error rate, and compare with the theoretical bit error rate curve.)

matlab实现STBC的MIMO-OFDM的系统级仿真(Simulation of STBC MIMO-OFDM System with MATLAB)

Matlab仿真，ＭＩＭＯ信道下直视情况下信道容量的仿真及结果！(Matlab simulation, the simulation results of channel capacity in the case is open MIMO channel!)

实现了2维高斯拟合，可用于生物荧光标记的显微图像的拟合。(Achieved a 2-dimensional Gaussian fitting, can be used for biological fluorescence microscopic image of the fitting.)