ziliao

基于梳状导频的OFDM信道估计中LS算法的测试程序(LS algorithm testing program based on the the comb pilot of OFDM channel estimation)

说明：  半带滤波器，工作在采样率122.88Msps上(Half-band filter, working at the sampling rate of 122.88 Msps)

MATLAB环境下对turbo编码进行仿真模拟，并对误码率做出分析(The MATLAB environment MPFK modulation simulation, and error rate to make the analysis of)

bluetooth matlab GFSK 调制解调， 误码率统计(bluetooth matlab GFSK modulation & demodulation)

认知无线电中基于BPSK循环自相关函数的信号检测，时域上的经典算法，许多论文引用的方法。(signal dection based on cyclostationary of BPSK in Congnitive Radio)

3gpp关于usim应用测试指导规范，通用的，不光是td scdma(rd Generation Partnership Project Technical Specification Group Core Network and Terminals UICC-terminal interface Universal Subscriber Identity Module (USIM) application test specification (Release 4) )

实现基于STBC的MIMO_OFDM通信系统在不同信噪比情况下接收端的误比特率的仿真。发射端包括基于基带调制、空时编码、导频插入、IFFT、串并合并以及添加循环前缀；接收端包括去除循环前缀、取出导频估计信道、FFT运算以及并串合并，空时解码等。仿真中采用QPSK、空时编码采用4*3的复正交空时编码矩阵。OFDM子载波数为100，每个子载波传输66个符号，每个符号2比特。IFFT长度为512个符号。发射天线为3个接收天线为2个。(The BER simulation of MIMO_OFDM communication system based on STBC under different SNR is realized. The transmitter includes baseband modulation, space-time coding, pilot insertion, IFFT, serial-parallel combination and adding cyclic prefix; the receiver includes removing cyclic prefix, extracting pilot estimation channel, FFT operation, parallel-serial combination, space-time decoding, etc. The complex orthogonal space-time coding matrix is used in QPSK and space time coding in 4*3. The number of OFDM subcarriers is 100, and each subcarrier transfers 66 symbols with 2 bits per symbol. IFFT is 512 symbols in length. The transmitting antenna is 3 receiving antennas, 2.)

仿真实现了关于认知无线电中合作频谱检测的性能分析(Simulation to achieve the performance of cooperative spectrum sensing in cognitive radio)

这是一个关于数字通信原理的实验，特别适合大学生们，(This is a study on the principle of digital communication experiments, particularly suitable for students,)

说明：  雷达系统仿真，雷达SAR成像，信号处理，模糊函数，波形发生，回波模拟，信道模拟，点迹航迹跟踪等等(Radar system simulation, radar SAR imaging, signal processing, ambiguity function, waveform generation, echo simulation, channel simulation, point track tracking, etc.)