MATLAB BUILDER EX 1 Guide de l'utilisateur Page 83
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Spectral Analysis Example
4-31
2 When the Workbook Properties dialog appears, select the Summary tab
and enter
Spectral Analysis as the workbook title.
3 Click OK to save the edits.
4 Select File->Save As from the Excel main menu.
5 When the Save As dialog appears, select Microsoft Excel Add-In (*.xla) as
the file type, and browse to
<project-directory>\distrib.
6 Enter Fourier.xla as the file name and click Save to save the add-in.
Testing The Add-in
Before distributing the add-in, test it with a sample problem. Spectral analysis
is commonly used to find the frequency components of a signal buried in a noisy
time domain signal. In this example you will create a data representation of a
signal containing two distinct components and add to it a random component.
This data along with the output will be stored in columns of an Excel
worksheet, and you will plot the time-domain signal along with the power
spectral density.
Follow the steps outlined below to create the test problem.
1 Start a new session of Excel with a blank workbook.
2 Select Tools->Add-Ins from the main menu.
3 When the Add-Ins dialog comes up, click Browse.
4 Browse to the <project-directory>\distrib directory, select Fourier.xla
and click
OK.
5 The Spectral Analysis add-in appears in the available Add-Ins list and is
checked.
6 Click OK to load the add-in.
This add-in installs a menu item under the Excel
Tools menu. You can display
the Spectral Analysis GUI by selecting
Tools->Spectral Analysis. Before
invoking the add-in, create some data, in this case a signal with components at
- MATLAB Excel Builder 1
- How to Contact The MathWorks: 2
- Contents 3
- Usage Examples 5
- Function Wizard 5
- Registration and Versioning 7
- Preface 10
- Suggested Background 11
- Limitations and Restrictions 13
- Typographical Conventions 15
- Overview 17
- 1 Overview 18
- Versions 19
- Add File button or 23
- Build Status 24
- Application Deployment 25
- Graphical User Interface 27
- 2 Graphical User Interface 28
- File Menu 29
- Project Menu 29
- Help Menu 31
- Component Information 33
- Programming with Excel 35
- Builder Components 35
- at the beginning to 39
- CreateObject Function 40
- Visual Basic New Operator 40
- ErrObject object 47
- Modifying Flags 48
- Data Conversion Flags 50
- 4 Usage Examples 54
- Creating the Project 55
- Summary of Project Settings 56
- Building the Project 57
- <matlab>\work, and the 61
- F2 and then Enter 65
- F2 followed by Enter 67
- Spectral Analysis Example 71
- Component name: Fourier 71
- Class name: Fourier 71
- Use Handle Graphics library 71
- ThisWorkbook object 81
- Testing The Add-in 83
- Creating the Data 84
- Running the Test 84
- Function Viewer 89
- Using the Function Viewer 90
- Component Browser 91
- Editing Required Inputs 92
- Properties button 93
- Editing varargin Inputs 94
- Editing Required Outputs 95
- Editing varargout Outputs 96
- Input Argument Range 97
- Input Argument Value 98
- Output Argument Properties 98
- Rename Function 99
- Copy Function 100
- Introduction 101
- 5 Function Wizard 102
- Function Reference 103
- Examples Example 1 104
- Purpose Query system registry 104
- Arguments 104
- Description 104
- 6mxltool 106
- Syntax mxltool 106
- Producing a COM Object 107
- Capabilities 108
- Step 1. Code Generation 111
- Step 3. C++ Compilation 111
- COM Class.method 113
- Producing a COM Class 114
- IDL Mapping 114
- Visual Basic Mapping 115
- MATLAB Compiler Output 116
- Calling Conventions 117
- Data Conversion 119
- B Data Conversion 120
- Data Conversion Rules 121
- CoerceNumericToType 132
- InputDateFormat 132
- OutputAsDate As Boolean 132
- DateBias As Long 133
- Registration and 135
- Versioning 135
- C Registration and Versioning 136
- Component Registration 137
- Utility Library 145
- D Utility Library 146
- Utility Library Classes 147
- Sub MWDate2VariantDate(pVar) 152
- Class MWFlags 153
- Sub Clone(ppFlags As MWFlags) 159
- Property NumberOfDims As Long 164
- Property Dims As Variant 164
- Property Name As String 166
- Property Value As Variant 167
- Property MWFlags As MWFlags 167
- Sub Clone(ppField As MWField) 167
- Property Real As Variant 168
- Property Imag As Variant 168
- Sub Clone(ppArg As MWArg) 173
- Enum mwDateFormat 175
- Troubleshooting 177
- E Troubleshooting 178
- Medium on the 179
- Security Level tab 179
- VARIANT B-2 181
- CreateObject function 3-6 181
- Enumeration 181
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