op25.tar

说明：  harr小波变换，源码及仿真，很好用，初学者可用(Harr wavelet transform, available for beginners)

说明：  设计一个数字低通滤波器，来近似一个理想数字滤波器(Design a digital low-pass filter to approximate an ideal digital filter)

这个程序采用现代谱估计的ARMA参数模型算法对信号的功率谱做了估计(The program uses the ARMA parameter model algorithm of modern spectral estimation to estimate the power spectrum of the signal.)

说明：  跨平台即时通信技术在无线网络的研究与实现。(Cross-platform instant messaging technology in the wireless network and its implementation.)

设计了差分编码移相键控(2DPSK)调制解调系统的工作流程图,并利用 Matlab 软件对该系统的动态进行了模拟仿真。利用仿真的结果,从基带信号的波形图可以衡量数字信号的传输质量 由系统的输入和输出波形图可以看出,仿真实验良好 。(Design of a differential phase shift keying encoding (2DPSK) modulation and demodulation system working flow chart of the system using Matlab software to simulate the dynamics simulation. Using simulation results, from the baseband signal waveform can be measured digital signal transmission quality by the system' s input and output waveforms can be seen that simulation is good.)

说明：  G P S和G S M 双定位终端的软硬件设计与实现 :随着移动定位技术的发展， 单纯的签子G P S 的定位终端或者荃于移动网络的定位终端都将无法浦足用户的俩求。前者的G P S定 位信号受地形及建筑物的影晌，会存在定位盲区 后者定位精度和定位能力受到移动网 络的限制。该文提出一种集成了G P S定位和G S M 网络定位技术的定位终端，阐述了它的软硬件的设计和实现。实验结果表明，该定位终端结合了G P S和G S M网络两种定位方式的优点，(D e s i g n a n d I m p l e me n t a t i o n o f t h e T r a c k i n g T e r mi n a l I n t e g r a t i n g GP S wi t h GS M P o s i t i o n i n g T e c h n o l o g y J I A NG X i r u i , C HE N G Z h e n l i n , F AN G J i n y u n , Z HA NG L i v n g ( I n s t i t u t e o f C o m p u t e T e c h n o l o g y , C h i n e s e A c a d e m y o f S c i e n c e s , B e i j i n g 1 0 0 0 8 0 ) b s t r a c t ] Th e t r a c k i n g t e r mi n a l p l a y s a n i mp o r a n t rl e i n t h e n a v i g a t i o n a n d p o s i t i o n i n g s y s t e m. Ho w t o t h e t r a c k i n g t e r mi n a l i s a k e y p rb l e m t o t h e d e s i g n e r a n d u s e r . T h i s p a p e r p r e s e n t s a me t h o d wh i c h i mpr v e t i n t e g r a t e s p e r f o r m a n c e a n d p r e c i s i o GP S wi 比GS M p o s i t i o n i n g h n o l o g y i n o n e t e r mi n a l , a n d s p e c i f i e s t h e s o f)

MATLAB MIMO-OFDM信道估计仿真.m文件。基于梳状导频环境。(MATLAB MIMO-OFDM channel estimation simulation. M file. Comb based pilot environment.)

实现的通信中正交频分复用的过程，包括OFDM的一些信号处理的算法(To achieve communication in orthogonal frequency division multiplexing process, including a number of OFDM signal processing algorithms)

实现Polar码编码译码，SC译码，简单实用，运行速度快(Polar MATLAB include encode and decode useful and simple)

基于OFDM的多准则下认知无线电资源分配问题的研究,认知无线电资源分配(Cognitive radio resource allocation problem of OFDM multi-criteria research, cognitive radio resource allocation)