cepstrum-analysis-project-work

7.5 积分一步的变步长龙格-库塔法grkt2.c 7.6 积分一步的变步长基尔法ggil1.c 7.7 全区间积分的变步长基尔法ggil2.c 7.8 全区间积分的变步长默森法gmrsn.c 7.9 积分一步的连分式法gpbs1.c 7.10 全区间积分的连分式法gpbs2.c(7.5 Integral-step variable step-queue grid- Kutta method grkt2.c 7.6 Integral variable step by step Kiel France ggil1.c 7.7 points between the region variable step-size Kiel France ggil2.c 7.8 points between the region variable step-size Merson method gmrsn.c 7.9 integral step in continued fractions method gpbs1.c 7.10 points between the region' s continued fractions method gpbs2.c)

说明：  一本很不错的SIMULINK教程，共享给大家(A very good tutorial SIMULINK, share to everyone)

说明：  5. 在三条径的瑞利信道中，对于直接序列扩频： (1) 请设计DS-CDMA一种具体的码分导引辅助的信道估计方法，接收机分别采用等均益合并、最大比合并。用Simulink进行仿真，测量BPSK的误码率性能，画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线，请解释在误码率为0.01时，两种合并方式所表现的不同的物理意义。 (2) 设频率已经同步，请设计DS-CDMA一种具体的单停顿滑动相关时间同步方法，用Simulink进行仿真(自己编写代码S-Function方式)，分析所设计方案的时间同步精度，画出比特信噪比与捕获概率的关系曲线。 (3) 设时间已经同步，请设计DS-CDMA一种具体的频率同步方法，用Simulink进行仿真(自己编写代码S-Function方式)，画出比特信噪比与频率同步误差的关系曲线。 (5 In the three path Rayleigh channel, for direct sequence spread spectrum: (1) Please design a specific DS-CDMA code division guide-assisted channel estimation, receiver, etc were used to benefit the merger, the maximum ratio combining. With the Simulink simulation, BPSK BER performance measure, draw-bit signal to noise ratio and channel estimation mean square error of the curve, draw the signal to noise ratio and bit error rate curve, please explain in bit error rate 0.01, the two methods are combined performance of the different physical meaning. (2) frequency has been set up synchronization, a specific design of DS-CDMA single-stop sliding correlation method of time synchronization, simulation with Simulink (S-Function code their own way), analyze the design of time synchronization accuracy, draw bit signal to noise ratio and capture probability curve. (3) set time has been synchronized, a specific design of DS-CDMA frequency synchronization method, simulation using Simulink ()

Region Based Active Contour Segmentation

基于EGM模型计算全球任一经纬度处的重力异常，垂线偏差(Global computing at any latitude and longitude based on gravity anomalies EGM model, vertical deviation)

compares ed for different wireless channels

Hjorth calculation of signal

关于麦克风阵列信号处理，根据声波传达理论，利用多个麦克风收集的信号可以将某一方向传来的声音增强或抑制，通过改变权值来改变某一方向的信号的接收强弱(About microphone array signal processing , according to the theory of sound waves to communicate using signals multiple microphones to collect a certain direction came the sound can be enhanced or inhibited by changing the weights to change the receive signal strength in a certain direction )

import org.bouncycastle.jce.interfaces.PKCS12BagAttributeCarrier .

MSK解调的新方法，除了差分解调，复数滤波器解调，提出了一种基于MSK信号特殊点FFT的实部或虚部比较判决的方法来实现MSK信号的数字解调。(MSK new method of demodulation, in addition to the differential demodulation, complex filter demodulation, this paper proposes a special point FFT based on MSK signal of real or imaginary part of comparative judgment method to realize the MSK signal digital demodulation.)