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RIGOL 6 To Make Measurements
DS2000 User’s Guide
6-6
characteristics. Press Window to select the desired window function and the
default is “Rectangle”.
Table 6-1 Window Functions
Window Characteristics
Waveforms Suitable for
Measurement
Rectangle
The best frequency
resolution;
the poorest amplitude
resolution;
similar to the situation
when no window is
multiplied.
Transient or short pulse, the signal
levels before and after the
multiplication are basically the same;
Sine waveforms with the same
amplitude and rather similar
frequencies;
Wide band random noise with
relatively slowly changing waveform
spectrum.
Hanning
Better frequency
resolution;
poorer amplitude
resolution.
Sine, periodic and narrow band
random noise.
Hamming A little bit better
frequency resolution
than Hanning
Transient or short pulse, the signal
levels before and after the
multiplication are rather different.
Blackman The best amplitude
resolution;
the poorest frequency
resolution
Single frequency signal, search for
higher order harmonics.
3. Set the Display Mode
Press Display to select “Split” (default) or “Full Screen” display mode.
Split: the source channel and the FFT operation results are displayed separately.
The time domain and frequency domain signals are displayed clearly.
Full Screen: the source channel and the FFT operation results are displayed in
the same window to view the frequency spectrum more clearly and to perform
more precise measurement.
Note: in FFT mode and when MATH is the active channel, you can also press
HORIZONTAL
SCALE to switch between “Split” and “Full Screen”.
- User’s Guide 1
- Guaranty and Declaration 3
- Safety Requirement 4
- Safety Terms and Symbols 6
- Measurement Category 7
- Ventilation Requirement 8
- Working Environment 9
- DS2000 User’s Guide 10
- General Care and Cleaning 11
- Environmental Considerations 12
- DS2000 Series Overview 13
- Document Overview 15
- Contents 17
- 1 Quick Start 23
- General Inspection 24
- Appearance and Dimensions 25
- RIGOL 1 Quick Start 26
- To Connect to Power Supply 27
- Power-on Inspection 28
- To Connect the Probe 29
- Function Inspection 30
- 1 Quick Start RIGOL 31
- Probe Compensation 32
- Overview 33
- Rear Panel Overview 34
- VERTICAL 36
- HORIZONTAL 37
- TRIGGER 38
- RUN/STOP 38
- Navigation Knob 40
- User Interface 43
- To Use the Security Lock 47
- 2 To Set the Vertical System 49
- To Enable the Channel 50
- Channel Coupling 51
- Bandwidth Limit 51
- Probe Ratio 52
- Waveform Invert 53
- Vertical Scale 53
- Vertical Expansion 54
- Amplitude Unit 54
- Channel Label 55
- Delay Calibration 56
- Delayed Sweep 58
- Time Base Mode 60
- X-Y Mode 61
- Roll Mode 64
- Horizontal Scale 65
- Horizontal Reference 66
- 4 To Set the Sample System 67
- Acquisition Mode 68
- Peak Detect 70
- High Resolution 70
- Sample Mode 71
- Sample Rate 72
- Memory Depth 74
- Antialiasing 76
- Trigger Source 78
- Trigger Mode 79
- Trigger Coupling 81
- Trigger Holdoff 82
- Noise Rejection 83
- Trigger Type 84
- Edge Trigger 85
- Pulse Trigger 87
- Runt Trigger 89
- Windows Trigger (Option) 92
- Nth Edge Trigger (Option) 94
- Slope Trigger 96
- Video Trigger (HDTV Option) 99
- Pattern Trigger 101
- Source A 103
- Source B 103
- Time Out 105
- Time Out< T 105
- Duration Trigger (Option) 107
- Setup/Hold Trigger 109
- RS232 Trigger 111
- I2C Trigger 113
- SPI Trigger 116
- USB Trigger (Option) 118
- Trigger Output Connector 120
- 6 To Make Measurements 121
- Math Operation 122
- Substraction 123
- Multiplication 123
- Division 124
- Logic Operation 128
- Advanced Operation 130
- Auto Measurement 133
- Time Parameters 136
- Voltage Parameters 138
- Other Parameters 140
- Measurement Setting 142
- To Clear the Measurement 144
- All Measurement 145
- Statistic Function 146
- Measurement History 147
- Cursor Measurement 148
- Manual Mode 149
- Track Mode 152
- Auto Mode 155
- 7 Protocol Decoding 157
- Parallel Decoding 158
- Threshold 159
- RIGOL 7 Protocol Decoding 160
- RS232 Decoding (Option) 161
- Start Bit 162
- Data Bit 162
- Check Bit 162
- Stop Bit 162
- 7 Protocol Decoding RIGOL 163
- I2C Decoding (Option) 166
- SPI Decoding (Option) 169
- 8 Reference Waveform 173
- To Enable REF Function 174
- To Set the Color 175
- To Select REF Source 175
- To Save to Internal Memory 175
- RIGOL 8 Reference Waveform 176
- 9 Pass/Fail Test 177
- To Enable Pass/Fail Test 178
- To Select Source 178
- Mask Range 178
- Test and Ouput 179
- To Save the Test Mask 180
- To Load the Test Mask 181
- 10 Waveform Record 183
- Waveform Record 184
- 10 Waveform Record RIGOL 185
- Record Constant On 186
- Waveform Playback 188
- Waveform Analysis 190
- RIGOL 10 Waveform Record 192
- Analysis Based on Trace 194
- Outline of the Current Mask 195
- 11 Display Control 197
- To Select the Display Type 198
- To Set the Persistence Time 199
- RIGOL 11 Display Control 200
- To Set the Screen Grid 201
- To Set the Grid Brightness 201
- To Set the Menu Display 201
- 12 Store and Recall 203
- Storage System 204
- Storage Type 205
- RIGOL 12 Store and Recall 206
- Internal Storage and Recall 207
- External Storage and Recall 209
- 12 Store and Recall RIGOL 211
- Disk Management 212
- To Select File Type 213
- English Input Method 215
- Chinese Input Method 216
- To Delete a File or Folder 217
- To Rename a File or Folder 218
- To Clear the Local Memory 218
- Factory 219
- 13 System Function Setting 225
- LAN Setting 226
- IP Configuration Type (DHCP) 227
- Set the Gate 228
- USB Device 230
- To Set the GPIB Address 230
- System-related 231
- System Information 232
- Power-off Recall 232
- System Time 233
- Self-calibration 235
- Aux Output 236
- Option Management 237
- 14 Remote Control 239
- Remote Control via USB 240
- 14 Remote Control RIGOL 241
- RIGOL 14 Remote Control 242
- Remote Control via LAN 244
- Remote Control via GPIB 247
- 15 Troubleshooting 249
- RIGOL 15 Troubleshooting 250
- 16 Specifications 251
- Horizontal 252
- Vertical 252
- Trigger 253
- RIGOL 16 Specifications 254
- Measure 255
- 16 Specifications RIGOL 257
- 17 Appendix 259
- Appendix B: Warranty 260
- 17 Appendix RIGOL 261
- Index RIGOL 263
- RIGOL Index 264
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