五点三次平缓滤波

/// <summary>
		/// 降噪算法
		/// </summary>
		/// <param name="inList">集合</param>
		/// <param name="func">运算字段</param>
		/// <param name="setFunc">赋值字段</param>
		/// <returns></returns>
		public static IList<T> OptimizePoints<T>(IList<T> inList, Func<T, double> func, Func<T, double, T> setFunc)
		{
			var N = inList.Count;
			IList<T> outList = new List<T>();
			int i;
			if (N < 5)
			{
				return inList;
			}
			else
			{
				outList = inList;//先赋值然后再单个子项赋值
				setFunc(outList[0], (3.0 * func(inList[0]) + 2.0 * func(inList[1]) + func(inList[2]) - func(inList[4])) / 5.0);
				for (i = 2; i <= N - 3; i++)
				{
					setFunc(outList[i], (func(inList[i - 2]) + func(inList[i - 1]) + func(inList[i]) + func(inList[i + 1]) + func(inList[i + 2])) / 5.0);
				}
				setFunc(outList[N - 2], (4.0 * func(inList[N - 1]) + 3.0 * func(inList[N - 2]) + 2 * func(inList[N - 3]) + func(inList[N - 4])) / 10.0);
			}
			return outList;
		}

　　

调用

OptimizePoints<T>(result,
						s => s.字段,
						(t, val) =>
						{
							t.字段 = val;
							return t;
						})