Hioki 8847 - Page 262

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13.9 FFT Analysis Modes

252

( : 1/1 OCT, : 1/3 OCT)

Timebase

Period [s]

Sampling frequency [Hz]

Frequency range [Hz]

[Hz]

Center

frequency

Main Page

Default Chapter3
- Table of Contents3
- Contents 111
- Usage Index11
- Confirming Package Contents12
- Introduction12
- Safety Information13
- Before Use16
- Operating Precautions16
Chapter 1 Overview19
- Product Overview19
- Names and Functions of Parts20
- Right Side20
- Screen Organization22
- Basic Key Operations24
  - Example for Using the HELP Key25
Chapter 2 Measurement Preparations27
- Install an Input Module28
- Connecting Cords30
- Recording Media Preparation38
  - Storage Media (Inserting a CF Card and USB Memory Stick)38
  - Formatting Storage Media40
- Loading Recording Paper41
- Supplying Power43
- Setting the Clocks45
- Adjusting the Zero Position (Zero-Adjust)46
Chapter 3 Measurement Procedure47
- Ensuring Measurement Safety47
- Measurement Workflow48
- Pre-Measurement Inspection50
- Setting Measurement Configuration51
- Input Channel Setting59
- Starting and Stopping Measurement66
- Measurement with Automatic Range Setting (Auto-Ranging Function)68
Chapter 4 X-Y Recorder Function69
- Measurement Workflow70
- Setting Measurement Configuration71
- Starting and Stopping Measurement72
- Waveform Observation73
  - Saving and Printing Waveform73
Chapter 5 Saving/Loading Data & Managing Files75
- Data Capable of Being Saved & Loaded77
- Saving Data78
- Loading Data87
- Automatically Loading Settings(Auto Setup Function)89
- Managing Files90
Chapter 6 Printing99
- Printing Type and Workflow100
- Making Auto Print Settings101
- Manual Printing with PRINT Key (Selective Printing)103
- Setting the Print Concentration of the Waveform104
- Making Printer Settings105
- Miscellaneous Printing Functions108
Chapter 7 Waveform Screen Monitoring and Analysis111
- Reading Measurement Values (Using the A/B Cursors)112
- Specifying a Waveform Range (A/B Cursor)115
- Moving the Waveform Display Position116
- Performing Waveform X-Y Synthesis118
- Magnifying and Compressing Waveforms120
- Monitoring Input Levels (Level Monitor)123
- Switching the Waveform Screen Display (Display Menu)124
- Seeing Block Waveforms125
Chapter 8 Utility Functions127
- Adding Comments128
- Displaying Waveforms During Recording (Roll Mode)134
- Displaying New Waveforms over Past Waveforms (Overlay)135
- Setting Channels to Use (Extending the Recording Length)137
- Converting Input Values (Scaling Function)138
  - Scaling Setting Examples140
- Variable Function (Setting the Waveform Display Freely)144
- Fine Adjustment of Input Values (Vernier Function)147
- Inverting the Waveform (Invert Function)148
- Copying Settings to Other Channels (Calculation No.) (Copy Function)149
- Making Detailed Settings for Input Modules150
Chapter 9 Trigger Settings161
- Setting Workflow162
- Setting the Trigger Mode163
- Triggering by Analog Signals164
  - Analog Trigger Settings and Types164
- Triggering by Logic Signals (Logic Trigger)170
- Trigger by Timer or Time Intervals (Timer Trigger)172
- Applying an External Trigger (External Trigger)175
- Triggering Manually (Manual Trigger)175
- Pre-Trigger Settings176
  - Setting the Trigger Start Point (Pre-Trigger)176
  - Setting Trigger Acceptance (Trigger Priority)178
- Setting Trigger Timing179
- Setting Combining Logic (AND/OR) for Multiple Trigger Sources180
- Using Trigger Settings to Search Measurement Data181
Chapter 10 Numerical Calculation Functions183
- Numerical Calculation Workflow184
- Settings for Numerical Value Calculation186
  - Displaying Numerical Calculation Results189
- Judging Calculation Results190
  - Display of Judgment Results and Signal Output192
- Saving Numerical Calculation Results193
- Printing Numerical Calculation Results194
- Numerical Calculation Type and Description195
Chapter 11 Waveform Calculation Functions199
- Waveform Calculation Workflow200
- Settings for Waveform Calculation202
- Waveform Calculation Operators and Results208
Chapter 12 Memory Division Function211
- Recording Settings213
- Display Settings214
Chapter 13 FFT Function217
- Overview and Features217
- Operation Workflow218
- Setting FFT Analysis Conditions219
- Selecting Channels236
- Setting Screen Displays237
  - Displaying Running Spectrums239
- Saving Analysis Results242
- Printing Analysis Results243
- Analysis with the Waveform Screen244
  - Analyzing after Specifying an Analysis Starting Point244
- FFT Analysis Modes246
  - Analysis Modes and Display Examples246
  - Analysis Mode Functions264
Chapter 14265
System Environment Settings265
Chapter 15 Connection to a Computer269
- LAN Settings and Connection (before Using FTP/ Internet Browser/Command Communications)270
- Performing Remote Operations on the Instrument (Use an Internet Browser)275
- Accessing the Files on the Instrument from a Computer (Using FTP)282
- Transferring Data to the PC286
  - Connecting the Usb Cable286
  - Disconnecting the Usb Cable286
- Wave Viewer (Wv)287
- USB Settings and Connection (before Command Communications)288
  - Making USB Settings at the Instrument288
  - Installing the USB Driver288
- Controlling the Instrument with Command Communications (LAN/USB)292
  - Making Settings on the Instrument293
  - Communication Command Setting294
Chapter 16 External Control297
- Connecting External Control Terminals298
- External I/O299
Chapter 17 Specifications305
- General Specifications305
- Display Section306
- Measurement Specifications308
- Trigger Section310
- File Specifications311
- Built-In Functions312
- Input Modules Specifications314
Chapter 18 Maintenance and Service321
- Replaceable Parts321
- Trouble Shooting322
- Initializing the Instrument324
  - Initializing System Settings (System Reset)324
  - Initializing Waveform Data324
- Error Messages325
- Self-Test (Self Diagnostics)328
- Cleaning331
- Disposing of the Instrument (Lithium Battery Removal)333
Appendix335
Appendix 1 Default Values for Major Settings335
Appendix 2 Reference336
Appendix 2.1 Waveform File Sizes336
Appendix 2.2 Setting Configuration and Image Data File Sizes339
Appendix 2.3 Timebase and Maximum Recordable Time340
Appendix 2.4 Maximum Record Length and Number of Divisions (Memory Division Function)342
Appendix 2.5 Scaling Method When Using Strain Gauges343
Appendix 3 about Options344
Appendix 3.1 Options344
Appendix 3.2 Model 9783 Carrying Case346
- Parts Names346
Appendix 4 if the Model 9784 DC Power Unit Is Installed347
Appendix 5 FFT Definitions349
Index363

Hioki 8847 - Page 262

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