cengheban

数字信号的传输方式分为基带传输和带通传输，在实际应用中，大多数信道具有带通特性而不能直接传输基带信号。为了使数字信号在带通信道中传输，必须使用数字基带信号对载波进行调制，以使信号与信道的特性相匹配。这种用数字基带信号控制载波，把数字基带信号变换为数字带通信号的过程称为数字调制。通常使用键控法来实现数字调制，比如对载波的振幅、频率和相位进行键控。(Transmission of digital signals into base band transmission and band-pass transmission, in practice, most of the channel with band-pass characteristics can not directly transmit base-band signal. In order to make the digital signal is transmitted with a communication channel, you must use the digital baseband signal to modulate the carrier to make the signal to match the characteristics of the channel. The digital baseband signal control with a carrier, the digital baseband signal conversion to digital bandpass signal is called digital modulation. Keying method is commonly used digital modulation, such as on the carrier' s amplitude, frequency and phase shift keying.)

实现对彩色图像边缘检测、灰度处理、二值化等具体的图形图像处理内容(Realization of color image edge detection, gray processing, binary image processing such specific graphic content )

基于Hilbert-Huang变换的语音信号共振峰频率估计，一种对语音信号的分析方法(Based on the Hilbert Huang transform of speech signal formant frequency estimation, a method on the analysis of the speech signal)

FFT 基2变换源程序，matlab测试与系统函数变换结果一致(Radix-2 FFT transform source code, matlab test results are consistent with the system function transformation)

matlab神经网络30例，书和源码,都很经典，需要的同学赶快拿走(matlab neural network 30 cases of classic books and source code)

libevent源码分析,具体的一般实现(libevent)

精通matlab6.5电子书后附带光盘中计算书中算例的程序源码(Proficient matlab6.5 calculation included CD-ROM e-book after book, examples of program source code)

System Hardware VxWorks kernel init

应用自适应算法中ETDE与ETDGE算法方法分别求两信号时延值并作对比的Matlab程序(The matlab program of Comparing the ETDE algorithm delay result and ETDGE algorithm delay result )

一个非常好的基于MATLAB的语音处理工具箱,对学习语音处理的读者非常有用(a very good MATLAB-based voice processing toolbox for studying voice processing readers very useful)