#pragma?comment（linker?“/subsystem:Windows“）

#include?

const?long?c_width?=?700?c_height?=?500;

const?int?max_len?=?512;
bool?g_mouseDown?=?false;
int?g_value?=?0;
int?g_buffer[max_len]?=?{?0?};
double?g_filter[max_len]?=?{?0.0?};

typedef?double?FILTER_FUNC（）;
int?g_pick_count?=?0;
int?g_func_index?=?-1;
FILTER_FUNC?*g_filter_func?=?NULL;

void?sort（int?buffer[]?int?count）
{
	for?（int?j?=?count?-?1;?j?>?0;?j--）
	{
		for?（int?i?=?0;?i?		{
			if?（buffer[i]?>?buffer[i?+?1]）
			{
				int?temp?=?buffer[i];
				buffer[i]?=?buffer[i?+?1];?
				buffer[i?+?1]?=?temp;
			}
		}
	}
}

double?filter_amplitude_limit（）?//?1.?限幅濾波法
{
	const?char?A?=?13;

	if?（g_value?-?g_filter[1]?>?A?||?g_filter[1]?-?g_value?>?A）
	{
		return?g_filter[1];
	}

	return?g_value;
}

double?filter_median_value（）?//?2.?中位值濾波法
{
	const?char?N?=?5;
	
	++g_pick_count;
	if?（g_pick_count?	{
		return?g_filter[1];
	}
	
	g_pick_count?=?0;
	
	int?buffer[N];
	for?（int?i?=?0;?i?	{
		buffer[i]?=?g_buffer[i];
	}
	
	sort?（buffer?N）;
	
	return?buffer[N?/?2];
}

double?filter_arithmetic_average（）?//?3.?算術平均濾波法
{
	const?char?N?=?5;

	++g_pick_count;
	if?（g_pick_count?	{
		return?g_filter[1];
	}
	
	g_pick_count?=?0;

	double?sum?=?0.0;
	for?（int?i?=?0;?i?	{
		sum?+=?g_buffer[i];
	}

	return?sum?/?N;
}

double?filter_recurrence_average（）?//?4.?遞推平均濾波法
{
	const?char?N?=?5;
	
	double?sum?=?0.0;
	for?（int?i?=?0;?i?	{
		sum?+=?g_buffer[i];
	}

	return?sum?/?N;
}

double?filter_median_average（）?//?5.?中位值平均濾波法
{
	const?char?N?=?5;
	
	++g_pick_count;
	if?（g_pick_count?	{
		return?g_filter[1];
	}
	
	g_pick_count?=?0;
	
	int?buffer[N];
	for?（int?i?=?0;?i?	{
		buffer[i]?=?g_buffer[i];
	}
	
	sort?（buffer?N）;

	double?sum?=?0.0;
	for?（int?j?=?1;?j?	{
		sum?+=?buffer[j];
	}

	return?sum?/?（N?-?2）;
}

double?filter_limiting_mean（）?//?6.?限幅平均濾波法
{
	const?char?A?=?13;
	const?char?N?=?5;

	if?（g_value?-?g_filter[1]?>?A?||?g_filter[1]?-?g_value?>?A）
	{
		return?g_filter[1];
	}
	
	static?int?s_buffer[N];
	for?（int?i?=?N?-?1;?i?>?0;?i--）
	{
		s_buffer[i]?=?s_buffer[i?-?1];
	}
	s_buffer[0]?=?g_value;

	++g_pick_count;
	if?（g_pick_count?	{
		return?g_filter[1];
	}

	double?sum?=?0.0;
	for?（int?j?=?0;?j?	{
		sum?+=?s_buffer[j];
	}

	return?sum?/?N;
}

double?filter_first_order_lag（）?//?7.?一階滯后濾波法
{
	const?char?a?=?1?b?=?9;
	return?（g_value?*?a?+?g_filter[1]?*?b）?/?（a?+?b）;
}

double?filter_weighted_average_recursive（）?//?8.?加權遞推平均濾波法
{
????const?char?N?=?13;
????
????char?coe[N]?=?{12345678910111213};
????char?sum_coe?=?1+2+3+4+5+6+7+8+9+10+11+12+13;
????
????char?i;
????double?sum=0;
????for?（i=0;i????{
????????sum?+=?g_buffer[i]?*?coe[i];
????}

	return?sum?/?sum_coe;
}

double?filter_elimination_buffeting（）?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????53248??2011-12-01?09:50??Release\Filter.exe

?????文件???????6804??2011-11-25?16:02??Filter.aps

?????文件???????8855??2011-12-01?09:50??Filter.cpp

?????文件????????207??2011-11-25?09:27??Filter.dep

?????文件???????3530??2011-11-29?17:32??Filter.dsp

?????文件????????518??2011-11-07?17:37??Filter.dsw

?????文件???????6054??2002-02-09?12:17??Filter.ico

?????文件???????4577??2011-11-25?09:27??Filter.mak

?????文件??????58368??2011-12-01?09:50??Filter.ncb

?????文件??????53760??2011-12-01?09:50??Filter.opt

?????文件???????1129??2011-11-10?16:05??Filter.plg

?????文件?????????98??2011-11-09?20:27??Filter.rc

?????目錄??????????0??2011-12-01?09:51??Release

-----------?---------??----------?-----??----

???????????????197148????????????????????13