Rigol MSO/DS1000Z Series Manuel d'utilisateur Page 120
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RIGOL Chapter 6 MATH and Measurement
6-6 MSO1000Z/DS1000Z User’s Guide
FFT
FFT (Fast Fourier Transform) is used to transform time domain signals to frequency
domain components (frequency spectrum). MSO1000Z/DS1000Z oscilloscope
provides FFT operation function which enables users to observe the time domain
waveform and spectrum of the signal at the same time. FFT operation can facilitate
the following works:
Measure harmonic components and distortion in the system
Display the characteristics of the noise in DC power
Analyze vibration
Press MATH Math Operator to select "FFT". You can set the parameters of
FFT operation.
Figure 6-1 FFT Operation
1. Operation
Press Operation to enable or disable the FFT operation function. When FFT
operation is enabled, the time domain waveform and frequency domain
waveform are displayed separately on the screen by default as shown in
Figure
6-1. The FFT sample rate is equal to 100 divided by the current horizontal time
base in figure above.
2. Source Selection
Press Source to select the desired channel (CH1, CH2, CH3 or CH4).
3. Center Frequency
Press Center and use to adjust the frequency of the frequency domain
FFT Vertical
Scale
FFT Horizontal
Scale
FFT Sample
Rate
Time Domain
Waveform
Frequency Domain
Waveform
- User’s Guide 1
- MSO1000Z/DS1000Z Series 1
- Digital Oscilloscope 1
- Guaranty and Declaration 3
- Safety Requirement 4
- Safety Terms and Symbols 6
- Measurement Category 10
- Ventilation Requirement 11
- Working Environment 12
- RIGOL 13
- General Care and Cleaning 14
- Environmental Considerations 14
- RIGOL 16
- Document Overview 17
- Manuals of this Product: 19
- Contents 20
- Contents RIGOL 21
- RIGOL Contents 22
- Chapter 1 Quick Start 27
- General Inspection 28
- Appearance and Dimensions 29
- To Connect to Power Supply 30
- Power-on Inspection 31
- To Connect the Probe 31
- RPL1116 Logic Probe User’s 32
- Function Inspection 33
- Probe Compensation 34
- Overview 35
- Rear Panel Overview 36
- VERTICAL 38
- Logic Analyzer 39
- Signal Source 39
- HORIZONTAL 40
- TRIGGER 41
- RUN/STOP 42
- Multifunction Knob 42
- Function Menus 43
- User Interface 45
- Parameter Setting Method 50
- To Use the Security Lock 51
- To Enable the Analog Channel 54
- Channel Coupling 54
- Bandwidth Limit 55
- Probe Ratio 55
- Waveform Invert 56
- Vertical Scale 56
- Amplitude Unit 57
- Channel Label 57
- Delayed Sweep 62
- Time Base Mode 63
- Roll Mode 65
- Acquisition Mode 68
- High Resolution 69
- Sin(x)/x 70
- Sample Rate 70
- MDepth SRate TScale HDivs=×× 72
- Antialiasing 73
- Trigger Source 76
- Trigger Mode 77
- Trigger Coupling 78
- Trigger Holdoff 79
- Noise Rejection 79
- Trigger Type 80
- Edge Trigger 81
- Pulse Trigger 82
- Slope Trigger 84
- UpLevel - LowLevel 85
- SlewRate = 85
- Video Trigger 87
- Pattern Trigger 89
- Duration Trigger 91
- Time Out 93
- Time Out< T 93
- Runt Trigger (Option) 95
- Window Trigger (Option) 97
- Source A 99
- Source B 99
- Trigger Level" 101
- Setup/Hold Trigger (Option) 102
- P<Idle Time<M 104
- Edge Type= 104
- Edge Num=2 104
- RS232 Trigger (Option) 106
- I2C Trigger (Option) 108
- SPI Trigger (Option) 111
- Trigger Output Connector 113
- Math Operation 116
- Subtraction 117
- Multiplication 118
- Division 118
- "AND" Operation 124
- "OR" Operation 125
- "XOR" Operation 126
- "NOT" Operation 127
- Lg (Use 10 as the Base) 131
- Fx Operation 134
- Math Operation Label 135
- Auto Measurement 136
- Time Parameters 138
- Source 1 139
- Average = 140
- Other Parameters 141
- Measurement Setting 142
- To Clear the Measurement 143
- All Measurement 145
- Statistic Function 145
- Measurement History 146
- Cursor Measurement 147
- Track Mode 151
- Auto Mode 153
- XY Mode 154
- Chapter 7 Digital Channel 157
- Group Set 159
- Reorder Setting 160
- Auto View 160
- To Set the Threshold 160
- To Set the Label 161
- Probe Calibration 161
- Chapter 8 Protocol Decoding 163
- Parallel Decoding 164
- Threshold 165
- RS232 Decoding (Option) 169
- The stop bit is less than 1 172
- I2C Decoding (Option) 174
- Address ID 176
- SPI Decoding (Option) 177
- To Enable REF Function 182
- To Select REF Source 182
- To Save to Internal Memory 182
- To Set the Color 183
- Chapter 10 Pass/Fail Test 185
- To Enable Pass/Fail Test 186
- To Select Source 186
- Mask Range 186
- Test and Output 187
- To Save the Test Mask 188
- To Load the Test Mask 188
- Chapter 11 Waveform Record 189
- Common Settings 190
- Playback Option 191
- Record Option 192
- Chapter 12 Display Control 193
- To Select the Display Type 194
- To Set the Persistence Time 194
- To Set the Screen Grid 195
- To Set the Grid Brightness 195
- Chapter 13 Signal Source 197
- To Output Basic Waveform 198
- To Output Square 199
- To Output Ramp 200
- To Output Pulse 201
- To Output DC 201
- To Output Built-in Waveform 202
- To Output Arbitrary Waveform 206
- To Select Waveform 207
- To Create Waveform 208
- To Edit Waveform 210
- Modulation 211
- Modulating Waveform 212
- Carrier Waveform 212
- Modulated Waveform 212
- Chapter 14 Store and Recall 215
- Storage System 216
- Storage Type 216
- Internal Storage and Recall 218
- External Storage and Recall 219
- Disk Management 220
- English Input Method 222
- Chinese Input Method 223
- To Delete a File or Folder 224
- To Rename a File or Folder 224
- To Clear the Local Memory 224
- Factory 225
- LAN Configuration 235
- Set the Gate 237
- Set the Domain Name Server 237
- USB Device 238
- GPIB Address 238
- System-related 239
- Power-off Recall 240
- Self-calibration 240
- Print Setting 241
- Aux Output 243
- Option Management 244
- Auto Options 245
- Key Lock 245
- Chapter 16 Remote Control 247
- Remote Control via USB 248
- Remote Control via LAN 252
- Remote Control via GPIB 253
- Chapter 17 Troubleshooting 255
- Chapter 18 Specifications 257
- Horizontal 258
- Vertical 258
- Oscilloscopes) 259
- Trigger 259
- Measure 262
- General Specifications 265
- Chapter 19 Appendix 267
- Appendix B: Warranty 268
- Index RIGOL 269
- RIGOL Index 270
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