unit1.~dfm

fft变换算法的c++源代码

object Form1: TForm1
  Left = 127
  Top = 214
  Width = 753
  Height = 724
  Caption = 'Form1'
  Color = clBtnFace
  Font.Charset = DEFAULT_CHARSET
  Font.Color = clWindowText
  Font.Height = -11
  Font.Name = 'MS Sans Serif'
  Font.Style = []
  OldCreateOrder = False
  PixelsPerInch = 96
  TextHeight = 13
  object Image1: TImage
    Left = 232
    Top = 8
    Width = 511
    Height = 128
  end
  object Image2: TImage
    Left = 230
    Top = 144
    Width = 511
    Height = 128
  end
  object Image3: TImage
    Left = 230
    Top = 280
    Width = 511
    Height = 128
  end
  object Image4: TImage
    Left = 226
    Top = 416
    Width = 511
    Height = 128
  end
  object Image5: TImage
    Left = 226
    Top = 552
    Width = 511
    Height = 128
  end
  object GroupBox1: TGroupBox
    Left = 8
    Top = 8
    Width = 217
    Height = 233
    Caption = 'FFT参数'
    TabOrder = 0
    object Label1: TLabel
      Left = 8
      Top = 24
      Width = 95
      Height = 13
      Caption = '原始数据采样率Fs'
    end
    object Label2: TLabel
      Left = 81
      Top = 45
      Width = 22
      Height = 13
      Caption = '点/s'
    end
    object Label3: TLabel
      Left = 8
      Top = 64
      Width = 80
      Height = 13
      Caption = '读取数据点数N'
    end
    object Label4: TLabel
      Left = 81
      Top = 85
      Width = 66
      Height = 13
      Caption = '最多30720点'
    end
    object Label5: TLabel
      Left = 8
      Top = 104
      Width = 173
      Height = 13
      Caption = '频率分辨率D=2*PI/(N*T)，T=1/FS'
    end
    object Label6: TLabel
      Left = 81
      Top = 125
      Width = 24
      Height = 13
      Caption = '*2*PI'
    end
    object Label7: TLabel
      Left = 8
      Top = 144
      Width = 96
      Height = 13
      Caption = '横坐标频率最大值'
    end
    object Label8: TLabel
      Left = 81
      Top = 165
      Width = 13
      Height = 13
      Caption = 'Hz'
    end
    object Edit1: TEdit
      Left = 8
      Top = 40
      Width = 73
      Height = 21
      TabOrder = 0
      Text = '1024'
      OnKeyPress = Edit1KeyPress
    end
    object Edit2: TEdit
      Left = 8
      Top = 80
      Width = 73
      Height = 21
      TabOrder = 1
      Text = '2048'
    end
    object Edit3: TEdit
      Left = 8
      Top = 120
      Width = 73
      Height = 21
      Color = clScrollBar
      ReadOnly = True
      TabOrder = 2
      Text = '0.5'
    end
    object Edit4: TEdit
      Left = 8
      Top = 160
      Width = 73
      Height = 21
      Color = clScrollBar
      ReadOnly = True
      TabOrder = 3
      Text = '511'
    end
    object Button1: TButton
      Left = 16
      Top = 200
      Width = 75
      Height = 25
      Caption = '计算FFT'
      TabOrder = 4
      OnClick = Button1Click
    end
  end
  object GroupBox2: TGroupBox
    Left = 8
    Top = 256
    Width = 217
    Height = 193
    Caption = 'IFFT参数'
    TabOrder = 1
    object Label9: TLabel
      Left = 8
      Top = 24
      Width = 174
      Height = 13
      Caption = '过滤频率振幅大小(低的将被滤掉)'
    end
    object Label10: TLabel
      Left = 81
      Top = 45
      Width = 13
      Height = 13
      Caption = 'Hz'
    end
    object Label11: TLabel
      Left = 8
      Top = 104
      Width = 96
      Height = 13
      Caption = '原始频率有效点数'
    end
    object Label13: TLabel
      Left = 8
      Top = 144
      Width = 156
      Height = 13
      Caption = '过滤后频率有效点数（非零）'
    end
    object Edit5: TEdit
      Left = 8
      Top = 40
      Width = 73
      Height = 21
      TabOrder = 0
      Text = '500'
    end
    object Edit6: TEdit
      Left = 8
      Top = 120
      Width = 73
      Height = 21
      Color = clScrollBar
      ReadOnly = True
      TabOrder = 1
      Text = '0'
    end
    object Edit7: TEdit
      Left = 8
      Top = 160
      Width = 73
      Height = 21
      Color = clScrollBar
      ReadOnly = True
      TabOrder = 2
      Text = '0'
    end
    object Button2: TButton
      Left = 8
      Top = 72
      Width = 75
      Height = 25
      Caption = '计算IFFT'
      Enabled = False
      TabOrder = 3
      OnClick = Button2Click
    end
  end
  object Button3: TButton
    Left = 16
    Top = 472
    Width = 75
    Height = 25
    Caption = 'Button3'
    TabOrder = 2
  end
end