程序

完整经典的MIMO-OFDM仿真（matlab） 包括模块：create_channel.m， BitLoad.m，ComputeSNR.m，chow_algo.m， EnergyTableInit.m，campello_algo.m，ResolvetheLastBit.m，modulate.m，precode.m，ifft_cp_tx_blk.m，hannel.m， fft_cp_rx_blk.m，shape.m(Integrity of the classical MIMO-OFDM simulation (matlab), including modules: create_channel.m, BitLoad.m, ComputeSNR.m, chow_algo.m, EnergyTableInit.m, campello_algo.m, ResolvetheLastBit.m, modulate.m, precode.m, ifft_cp_tx_blk . m, hannel.m, fft_cp_rx_blk.m, shape.m)

仿真源码包括了多层异构蜂窝网络中基于齐次泊松点过程（HPPP）的建模方法，一篇介绍该模型的12年发表在IEEE trans的论文。以及传统六边形建模方法和信道增益矩阵的计算。(Simulation source code, including the multi-heterogeneous cellular networks based on homogeneous Poisson point process (HPPP) modeling method, a description of the model' s 12-year papers published in IEEE trans. And traditional modeling methods and hexagonal channel gain matrix calculation.)

LDPC 译码算法 spa bp置信传播(LDPC spa bp LDPC LDPC)

1）设计Butterworth型音频抗混叠滤波器； 2）参数： 下通带频率300Hz；上通带频率3400Hz； 下阻带频率280Hz；上阻带频率3600Hz； 通带最大衰减0.3dB； 阻带最小衰减40dB； 3）采用一低通滤波器和一高通滤波器级联； 4）分别确定LPF和HPF的性能指标； 5）求出两滤波器的系统函数和频率响应，并画出其幅频特性曲线； 6）求整个滤波器的系统函数和频率响应，并画出其幅频特性曲线。(1) the design of Butterworth-type audio anti-aliasing filter 2) parameters: passband frequency of 300Hz on pass-band frequency 3400Hz under the stop-band frequency of 280Hz on stop-band frequency 3600Hz passband maximum attenuation of 0.3dB minimum stopband attenuation of 40dB 3) the use of a low-pass filter and a high-pass filter cascade 4) separately to determine the performance of LPF and HPF target 5) to derive two-filter system function and frequency response, and draw its increase frequency characteristic curve 6) for the entire filter system function and frequency response, and draw its amplitude-frequency characteristic curve.)

串口通信工具，简单实用支持多速录。串口通信工具，简单实用支持多速录。(serial communication)

网络仿真软件OPNET AdHoc模型文件(network simulation software OPNET TCP model document)

通过对系统能量的收集 使系统的能效达到最大(leakage_minimization_k_user)

OFDM_cyclic_spectrum11,循环谱切片谱的一些原理性matlab代码(this is matlab code about OFDM_cyclic_spectrum)

很好的OFDM系统载波同步算法，采用了长短训练序列分别进行小数倍频偏估计和整数倍频偏估计(This is a good carrier synchronization algorithm for OFDM system, using the long he short training sequences respectively to fractional frequency offset estimation and integer times frequency offset estimation)

OFDM功率谱密度和OFDM子载波频谱/仿真分析OFDM信号的频谱特性和功率谱特性(The spectrum characteristics and power spectrum characteristics of OFDM signals are simulated and analyzed)