w_segy

matlab codes for MR radial imaging

应力波穿过平行节理的波的透反射规律，可以研究节理的材料特性与传播系数的关系(Through waves of stress wave reflection law through parallel joints, the relationship between material properties can be studied with the spread coefficient joints)

Simulating V2V and V2I connectivity in Matlab using car following, lane changing models and entry and exit ramps on a 4-Highways, 3-Ramps scenario

先對故障依序編碼為陣列形式在用免疫演算法去做計算模擬得到正確的解答(First failure were coded for the array form of immune algorithm to do the calculation with the correct answers to simulated)

实现快速傅里叶变换函数的matlab程序，以2D作为基来写的(Fast Fourier transform function matlab program to 2D as a base to write)

This Matlab script finds the frequency offset effects in the orthogonal frequency division multiplexing (OFDM)and its effects on the bit error rate (BER). A reference paper is also included.

能够进行电弧特性的仿真，对接地故障有一定的参考价值和意义(It can simulate the arc characteristics and has certain reference value and significance for ground faults.)

The onset of the T wave is the beginning point of the T wave, it s the first negative or null sample preceeding the T peak. The offset of the T wave is the ending point of the T wave, it s the first positive or null sample following the T peak.

说明：  按FPE定阶的 源程序：fpe.cpp M序列：M序列.txt 白噪声：Gauss.txt 程序中先用依模型阶次递推算法估计模型的参数，再用fpe方法判断模型的阶次。 程序运行结果如下： n: 1 判断阶次FPE的值: 0.0096406 -0.481665 1.07868 n: 2 判断阶次FPE的值: 0.00875755 -0.446739 0.00498181 1.07791 0.0527289 n: 3 判断阶次FPE的值: 0.0087098 -0.459433 0.120972 -0.0569228 1.07814 0.0390757 0.116982 n: 4 判断阶次FPE的值: 0.000396884 -0.509677 0.4501 -0.200906 0.0656188 1.07991 -0.0156362 0.442989 0.0497236 n: 5 判断阶次FPE的值: 3.2095e-007 -1.18415 0.813123 -0.517862 0.34881 -0.116864 1.07999 -0.744141 0.474462 -0.253112 0.122771 n: 6 判断阶次FPE的值: 3.23349e-007 -1.14659 0.76933 -0.487651 0.329676 -0.10377 -0.00440907 1.07999 -0.703574 0.447253 -0.235282 0.113587 0.00479688 从以上结果可以看出，当n=5时，fpe值最小，所以这时的模型阶次和参数估计值为最优结果： 3.2095e-007 -1.18415 0.813123 -0.517862 0.34881 -0.116864 1.07999 -0.744141 0.474462 -0.253112 0.122771(err)

说明：  hough变换对圆的检测，h ough变换对圆的检测(hough transform circle test, h ough transform for circle detection)