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基于协同检测技术的能量检测算法，实现过程中使用了不同的仿真条件(Collaborative detection technique based on energy detection algorithm, the process used to achieve different simulation conditions)

说明：  QPSK完整的调制解调程序，直接在matlab里运行就能得出准确的结果，方便(QPSK modulation and demodulation complete program to run directly in matlab accurate results can be obtained to facilitate)

这个程序关于语音消噪，实现了一个基于最小均方误差算法的二阶自适应噪声对消器(This program concerning speech denoising achieve a minimum mean square error algorithm based on second-order adaptive noise cancellation)

Calculate point to line distance in 2D

THIS FILE HAS THE PARAMETRIC VARIATIONS OF AN LTE SYSTEM MODELED IN MATLAB.

关于信号处理方面音效移频中解析信号的产生方法，该方法让人耳目一新，通过先设计频域，再求逆，时域上进行采样，得到两个FIR滤波器逼近希尔伯特变换器。(Aboat an efficient method of analytical signal generation in audio frequency shift.This method refreshing, first design in the frequency domain, then sampling in the time domain, getting two FIR filters approximate Hilbert transform.)

一个多径信道仿真程序。其主程序为： Jakes_filter.m 产生信道多普勒功率谱形状 linear_fft.m作fft变换，并作相应平移。 linear_psd.m分析信号的psd qpsk_berest.m产生qpsk信号 random_binary产生随机信号源(a multi-path channel simulation program. Its main program : Jakes_filter.m have access Doppler power spectral shape linear_fft.m for f ft transform, and for the corresponding translation. Linear_psd.m analysis of the signals generated psd qpsk_berest.m letter qpsk No. random_binary generated random signal source)

介绍无陀螺捷联惯导系统，是一份很好的无陀螺捷联惯导系统的基础教程(No gyro strapdown inertial navigation system is introduced in this paper )

作为热泵机组四大件之一的冷凝器的计算模型(As one of the four big heat pump units of the calculation model of condenser)

是通信原理的PCM编码过程，采用均匀量化(The communication principles of PCM encoding process, using uniform quantization)