huodaohangxinxi

插值滤波器，可以改变样值的抽样速率问题，比如把2倍抽样的样值转换为2.5倍抽样的样值。(Interpolation filter, can change the kind of questions the value of the sampling rate, such as 2 times the sample put the kind of value is converted to 2.5 times the sample value of the sample.)

利用深度优先算法求解网络中两点之间的所有路径数目(Solving the Number of All Paths between Two Points in a Network Using Depth-First Algorithms)

说明：  用matlab软件计算分形维数的算法，可算出图像的分形维度(Algorithms for Calculating Fractal Dimensions)

说明：  kode untuk polar coding

无线传感器网络的matlab仿真程序，有详细的仿真模块和程序说明。(Wireless sensor networks matlab simulation program, contains a detailed description of the procedures of simulation modules and.)

基于子空间的MIMO-OFDM系统的盲信道估计，可直接运行(Subspace-based MIMO-OFDM system for blind channel estimation can be directly run)

介绍了使用simulink对通信系统进行仿真的基础知识，以及对OFDMK、CDMA、多址接入MIMO仿真的详细解释(This paper introduces the basic knowledge of using Simulink to simulate the communication system, and explains in detail the simulation of OFDMK, CDMA and multiple access MIMO.)

DFTS--OFDM 仿真程序 包括详细的PAPR仿真 均可运行 (DFTS- OFDM simulation program should include a detailed simulation of the PAPR can be run)

fvcom后处理程序，可利用matlab提取数据后对数据进行可视化处理(FVCOM post processor, which can be visualized after extracting data from MATLAB)

1. 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。请清楚的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S-function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。 (Doppler spectrum of radio channel 1, please answer the following questions (1) In some wireless channel, radio channel Doppler shift will cause the output signal aliasing. Please clearly describe aliasing for various reasons )