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采用小波进行图像消噪
- 数字图像在产生过程中经常会受到噪音污染。因此，对于数字图像应该对其进行去噪音处理。在传统的基于傅里叶变换的信号去噪音方法中，可以使得信号和噪音的频带重叠部分尽可能的小，这样就可以在频域通过时，不需改变滤波方法而将信号和噪音分隔开来。但是，如果信号和噪音的频域重合时，用该方法进行噪音处理的效果就比较差。-digital image in the selection process will be subject to regular noise pollution. Therefore, the
rwdrcoef
- 程序算任意点FFT和小波变换,以及可选择多种小波及小波变换后的单频带重够,另算信号的Lipschitz指数,高级数字信号处理!-counting procedures arbitrary point FFT and Wavelet Transform, and the choice of multiple wavelet and the wavelet transform of a single-band heavy enough, and another count signal Lipsch
opticalmultichannel
- 多模光纤的信道特性研究，以上是其全部代码。主要针对多模光纤的高频带通特性 -multimode fiber channel characteristics, and above all its code. Targeted at multi-mode fiber high-frequency band-pass characteristics
wide_interval_hop_sequence
- kuanjiange_seq.m 基于对偶频带法和m序列，产生一个宽间隔跳频序列。 kuanjiange_seqencezu.m 基于对偶频带法和m序列，产生一个宽间隔跳频序列族。 注：其中的m序列是利用三个非相邻级控制频率合成器构造 L_G模型。-kuanjiange_seq.m based on dual band m sequence, have a wide interval frequency hopping sequence. Kuanjiange_seqence
DPLL1lp
- 频带数字通信中，频带一阶锁相环simulink模型-band digital communications, a frequency band PLL Simulink model
specbandvar
- 基于频带方差的语音端点检测，很有用的，大家自己好好看，不是太难-variance based on the frequency of speech endpoint detection, very useful, we all do well, not too difficult
simulink_BPSK
- simulink下频带传输BPSK演示例程，包括打印ASCII字符。
8PSK_TCM
- 8状态8PSK TCM系统（频带＋噪声）
端点检测程序 多频带，熵 谱熵 teger能量
- 端点检测程序 多频带，teger能量,matlab自己编写
WPC
- 非常实用的小波包分解程序，以及实现对小波包分解频带求取频谱和能量谱-Very useful wavelet packet decomposition process, and the realization of the wavelet packet decomposition to obtain the spectrum and the energy spectrum band
2D-fdtd
- 二维光子晶体禁带的MATLAB源码,光子晶体中因周期性结构而存在的频率禁带称为光子禁带，光子禁带的存在是光子晶体具有广泛应用前景的重要原因。 禁带越大，可控光的频带也越宽-Two-dimensional photonic crystal band gap of MATLAB source, photonic crystal structure exists because of the cyclical frequency band known as photonic band gap, pho
pindaifenjieyi
- 经典小波包分解，并计算各频带能量，能量比等参数-wavelet package decomposition and energy of frequency band
snr_serMatlab
- 数字通信系统中采用基带传输和频带传输[ 1, 2 ] ,在抽样判决器之前,信号叠加了信道噪声. 本文利用 Matlab软件仿真[ 3, 4 ]分析了在判决器前叠加了高斯噪声后,信噪比与系统的误码率之间的关系.-Digital communication system using baseband transmission and band transmission [1, 2], in a sample before the decision device, the signal super
kuopinxunhuanpu
- 计算扩展频带信号的循环谱 对循环相关感兴趣者下载-Calculation of the expansion of the cyclic spectrum band signals related to the cycle of interest to those who download
kuanpindaixitong
- 将宽频带系统的输出仿真到窄频带输出的方法。-Broad-band system will be output to a narrow band output simulation approach.
ofdm-siso
- 正交频分复用是一种多载波宽带数字调制技术。相比一般的数字通信系统， 它具有频带利用率高和抗多径干扰能力强等优点，因而适合于高速率的无线通信系统。- OFDM Simulator -------------------------------------------------------------------------------- MIMO OFDM Simulator: OFDM.m: OFDM Simulator (out
MATLAB_2PSK
- 以2PSK为例仿真说明数字频带传输的整个过程。-Descr iption 2PSK simulation as an example to figure the whole process of transmission band.
Mpsk
- 对数字基带（频带）传输系统进行仿真，并通过蒙特卡罗误码率仿真方法进行时域、频域分析误码性能。-The digital base-band (band) transmission system simulation, and Monte Carlo simulation method for bit error rate in time domain, frequency domain analysis of BER.
www
- 使用维纳分布进行瞬时频率估计用来校正电离层非线性相位污染带来的频带展宽-High-frequency (HF) sky-wave radar signals propagate to and from the target by means of the ionosphere. The difficulty in obtaining very narrow beamwidths at HF, and the long ranges involved, mean that the
PN码在BPSK调制下基带和频带的同步
- PN码在BPSK调制下基带和频带的同步,包括带通滤波，低通滤波，pn码产生(PN code in BPSK modulation baseband and frequency band synchronization, including band-pass filtering, low-pass filtering, PN code generation)