using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Text;
using?System.Windows.Forms;
using?System.Drawing.Drawing2D;
using?System.Drawing.Imaging;
using?System.IO;
namespace?DSP
{

????public?partial?class?MainForm?:?Form
????{

????????public?MainForm（）
????????{
????????????InitializeComponent（）;
????????}

????????//實驗一（離散傅里葉變換（FFT和DFT））
????????double?max1;
????????double?max2;
????????double?max3;
????????Bitmap?bp?=?new?Bitmap（1350?800）;
????????private?delegate?double[]?Sequence（int?N?out?double?m）;
????????private?void?btnDraw1_Click（object?sender?EventArgs?e）
????????{
????????????int?N?=?16;
????????????Sequence?s?=?delegate（int?n?out?double?k）
????????????{
????????????????double?p?=?Convert.ToDouble（txtp.Text）;
????????????????double?q?=?Convert.ToDouble（txtq.Text）;
????????????????double?m;
????????????????double[]?b?=?Signal.Gauss（n?p?q?out?m）;
????????????????k?=?m;
????????????????return?b;
????????????};
????????????DrawPic（bp?s?N）;
????????????picE1Main.Image?=?bp;
????????}
????????private?void?btnSave1_Click（object?sender?EventArgs?e）
????????{
????????????Save（）;
????????}
????????private?void?btnSave2_Click（object?sender?EventArgs?e）
????????{
????????????Save（）;
????????}

????????private?void?btnDraw2_Click（object?sender?EventArgs?e）
????????{
????????????int?N?=?16;
????????????Sequence?s?=?delegate（int?n?out?double?k）
????????????{
????????????????double?a?=?Convert.ToDouble（txta.Text）;
????????????????double?f?=?Convert.ToDouble（txtf.Text）;
????????????????double?m;
????????????????double[]?b?=?Signal.Drop_Sines（n?a?f?out?m）;
????????????????k?=?m;
????????????????return?b;
????????????};
????????????DrawPic（bp?s?N）;
????????????picE1Main.Image?=?bp;
????????}

????????private?void?btnSave3_Click（object?sender?EventArgs?e）
????????{
????????????Save（）;
????????}

????????private?void?btnSave4_Click（object?sender?EventArgs?e）
????????{
????????????Save（）;
????????}

????????private?void?btnDraw3_Click（object?sender?EventArgs?e）
????????{
????????????if?（Convert.ToInt32（coboxTriN.Text）?==?8）
????????????{
????????????????int?N?=?8;
????????????????Sequence?s?=?delegate（int?n?out?double?k）
????????????????{
????????????????????double?m;
????????????????????double[]?b?=?Signal.Triangle（8?out?m）;
????????????????????k?=?m;
????????????????????return?b;
????????????????};
????????????????DrawPic（bp?s?N）;
????????????}
????????????else
????????????{
????????????????int?N?=?16;
????????????????Sequence?s?=?delegate（int?n?out?double?k）
????????????????{
????????????????????double?m;
????????????????????double[]?b?=?Signal.Triangle（16?out?m）;
????????????????????k?=?m;
????????????????????return?b;
????????????????};
????????????????DrawPic（bp?s?N）;
????????????}
????????????picE1Main.Image?=?bp;
????????}

????????pri

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-01-15?15:12??DSP\
?????文件????????3477??2012-05-17?09:24??DSP\DSP.csproj
?????文件???????58756??2012-05-29?08:39??DSP\Form1.Designer.cs
?????文件???????53980??2012-05-29?12:39??DSP\Form1.cs
?????文件??????310339??2012-05-29?08:39??DSP\Form1.resx
?????目錄???????????0??2013-01-21?16:57??DSP\Image\
?????文件?????????467??2012-05-12?09:03??DSP\Program.cs
?????目錄???????????0??2013-01-15?15:12??DSP\Properties\
?????文件????????1338??2012-05-12?08:59??DSP\Properties\AssemblyInfo.cs
?????文件????????2856??2012-05-12?08:59??DSP\Properties\Resources.Designer.cs
?????文件????????5612??2012-05-12?08:59??DSP\Properties\Resources.resx
?????文件????????1088??2012-05-12?08:59??DSP\Properties\Settings.Designer.cs
?????文件?????????249??2012-05-12?08:59??DSP\Properties\Settings.settings
?????目錄???????????0??2013-01-15?15:12??DSP\bin\
?????目錄???????????0??2013-01-15?15:12??DSP\bin\Debug\
?????文件??????255488??2012-05-29?12:39??DSP\bin\Debug\DSP.exe
?????文件???????85504??2012-05-29?12:39??DSP\bin\Debug\DSP.pdb
?????文件???????11608??2012-06-02?10:25??DSP\bin\Debug\DSP.vshost.exe
?????文件?????????490??2009-08-31?00:40??DSP\bin\Debug\DSP.vshost.exe.manifest
?????目錄???????????0??2013-01-07?13:58??DSP\obj\
?????目錄???????????0??2013-01-07?13:58??DSP\obj\x86\
?????目錄???????????0??2013-01-15?15:12??DSP\obj\x86\Debug\
?????文件??????204147??2012-05-29?08:39??DSP\obj\x86\Debug\DSP.MainForm.resources
?????文件?????????180??2012-05-17?09:24??DSP\obj\x86\Debug\DSP.Properties.Resources.resources
?????文件?????????735??2012-06-02?10:25??DSP\obj\x86\Debug\DSP.csproj.FileListAbsolute.txt
?????文件??????255488??2012-05-29?12:39??DSP\obj\x86\Debug\DSP.exe
?????文件???????85504??2012-05-29?12:39??DSP\obj\x86\Debug\DSP.pdb
?????文件????????5325??2012-05-29?12:39??DSP\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????文件?????????664??2012-05-29?08:39??DSP\obj\x86\Debug\GenerateResource-ResGen.read.1.tlog
?????文件?????????560??2012-05-29?08:39??DSP\obj\x86\Debug\GenerateResource-ResGen.write.1.tlog
?????目錄???????????0??2013-01-21?16:57??DSP\obj\x86\Debug\TempPE\
............此處省略0個文件信息