cp003

通信原理中以ASK信号为例,对其进行频率估计.先产生ASK信号,然后通过FFT对其进行频率估计.(Communication Theory in the ASK signal as an example, its frequency is estimated. ASK signal generated first, and then through its FFT frequency estimation.)

利用分步傅里叶方法模拟光纤激光器的输出脉冲与传输距离的关系(The use of step-by-step Fourier method to simulate the output of fiber laser pulses with the transmission distance relationship)

说明：  求解细线天线或细直导线的辐射或散射特性的矩量法分析论文(Solution of thin wire antennas or small straight wire radiation or scattering characteristics of the moment method analysis of papers)

matlab design of Butterworth Band Pass Filter

该源代码为一国外硕士所写，有关虹膜特征提取的部分很有借鉴意义，希望从事图象处理方面研究的各位不要错过．(the source code for an overseas master's written, the iris feature extraction part of a useful one, want to engage in image processing research you should not miss.)

通过对噪声中正弦信号的现代法频谱分析，来理解和掌握现代谱估计的基本概念，以及学会应用现代谱估计以及改进后的方法。(Modern Law of the sinusoidal signal noise spectrum analysis to understand and master the basic concepts of modern spectral estimation, as well as learn to apply modern spectral estimation, as well as the improved method.)

输入信号五个基于瞬时信息的特征：零中心归一化瞬时幅度功率谱密度的最大值,零中心归一化瞬时幅度绝对值的标准偏差，零中心非弱信号段瞬时相位非线性分量绝对值标准偏差，零中心非弱信号段瞬时相位非线性分量标准偏差，零中心归一化的非弱信号段瞬时频率绝对值的标准偏差，得到识别出的信号类别，本例为2PSK, 4PSK, GMSK, OQPSK, pi/4DQSK中的一个，还可以看Art网络的扩展性。(input signal instantaneous information on five characteristics : In the center is one of the instantaneous rate of the power spectral density of the maximum, is a center to the absolute value of the instantaneous rate of the standard deviation, Non-zero weak signal instantaneous phase of the nonlinear component absolute standard deviation, Non-zero weak signal instantaneous phase of the nonlinear component standard deviation, In the center is one of the non-weak signal of the absolute value of the instantaneous frequency standard deviation, the identification of signal type, The cases of two PSK, 4PSK, GMSK, OQPSK, pi/4DQSK of one, Art can be viewed network scalability.)

不错的灰度处理matlab程序 实验过 有些地方需要修改更好(good handle Matlab experimental procedure that some places need to be amended to better)

对眼电图、心电图以及正玄函数的图像进行峰值提取(Cross-eyed emg), electrocardiogram (ecg) and peak is xuan function image are extracted )

说明：  一篇关于异步电机滑模变结构直接转矩控制的硕士论文(a paper of induction motor based on sliding mode DTC )