current-controlledindirect

该程序主要提供了信号多径传播的模型，直观看出多径的情况(The program provides a major multi-path signal transmission model, an intuitive multi-path to see the situation)

本实验先利用Mathematica求解非线性方程（组）,探索不动点、混沌的性质(In this study, the first use of Mathematica for solving nonlinear equations (group), explore the fixed point, chaotic nature of the)

让某一频率以下的信号分量通过，而对该频率以上的信号分量大大抑制的电容、电感与电阻等器件的组合装置。 (low-pass filter )

运用谱减法，对语音信号进行去噪处理并比较处理前后的信噪比(Using spectral subtraction to denoise the speech signal and compare the signal to noise ratio before and after processing)

车牌识别源程序，可以识别很多角度，很好的呀(License plate recognition source code, you can identify in many ways)

This is a model of a QPSK modulation system for transmission over a bandpass channel with fc = 100 Hz and B = 30 Hz and AWGN at the receiver. SRRC fi lters with excess bandwidth α = 0.18 are employed. The receiver includes an NDA timing recovery loop followed by a DD phase recovery loop. The transmitter?s symbol period is T and set to a value of 100 ms. The symbol period at the receiver is Tr. The model will produce six windows: Two constellation plots and two eye diagrams (for the real part only), at the output of the matched fi lters and after the recovery loops a plot of the phase error (output of the NCO) and a plot of the fractional timing error (used in the interpolator). The frequency off set at the receiver is denoted by deltaf. The model simulates the transmission of 8000 QPSK symbols.

灰色预测gm（1-1）算法，用于短期时间序列预测，包含残差检验等各种必要检验(Gray predicted all the necessary inspection gm (1-1) algorithm for short-term time series prediction, including residuals inspection)

核主元分析的程序，很好用，希望大家喜欢！！(KPCA procedure very well with the hope that you like! !)

MATLAB具有强大的图形处理能力，用于使科学计算的结果可视化；VB是目前广泛使用的Windows鳊 程语言，简单易学，且具有良好的用户界面．通过二者的结合，可太大增强用户自行开发软件的功能。 (MATLAB has powerful graphics capabilities, for making the results of scientific computing visualization VB is widely used Windows bream process language, easy to learn, and has a good user interface. Through the combination of the two can be much enhanced user-developed software.)

matlab语言实现非线性最小二乘法的曲线拟合LM算法(Matlab language nonlinear least-squares method of curve fitting algorithm LM)