#include "stdafx.h" #include #include #include #include using namespace std; /*************************** **matlab smooth -> C++ code* ******Z[]为输出的数组，******* *******start为滤波起点******* *******end为滤波终点******* ******D为原数组，k为窗宽****** ***s为指定输出到数组Z的起点*** ***************************/ bool Smooth(int s, float Z[], int start, int end, float D[], int k){ int b = (k - 1) / 2; if ((end-start+1)>k) { for (int i = start; i<=end; i++) { if ((i - start) <= b)//第一段 { Z[i - start + s] = 0; int j = start; for (; j<= 2* i-start; j++) { Z[i - start + s] += D[j]; } Z[i - start + s] = Z[i - start + s] / ((i - start) * 2 + 1); } else if (((i - start)>b)&&((end - i)>b))//第二段 { Z[i - start + s] = 0; for (int j = i - b; j <= i + b; j++) 

{ Z[i - start + s] += D[j]; } Z[i - start + s] = Z[i - start + s] / k; } else//第三段 { Z[i - start + s] = 0; for (int j = 2*i - end; j <= end; j++) { Z[i - start + s] += D[j]; } Z[i - start + s] = Z[i - start + s] / (2 * (end - i) + 1); } } } return true; } int main(){ float D[] = { 1, 2, 1, 1, 4, 1, 6, 1, 1, 6, 1}; float Z1[10]; Smooth(3, Z1, 2, 8, D, 1); for (int i = 0; i < 10; i++)printf("%f ", Z1[i]); return(0); } 经测试，与 matlab 里结果一样！！