172
Open FFT
1)
Tap
on the lower right corner of the screen to enter the second channel selection area. Tap the soft key
to cycle through the math channel, open the math channel menu, and close the math channel.
2)
Tap
spectrum type “Line/Decibel” to open the FFT window (see Figure 9-3 FFT Window).
3)
Tap the Operation Source box to select the channel for which FFT transform is required.
4)
Tap the window box to select the window function applied to the FFT input signal.
Selection of window function
In the FFT transform, four different FFT windows can be selected.
Each window is alternatively used between frequency resolution and amplitude accuracy, and the appropriate
window may be selected according to the characteristics of the following windows.
Содержание Smart Series
Страница 1: ......
Страница 2: ...Version Info Version Date Remarks V2 0 2019 10 ...
Страница 25: ...Chapter 2 Quick Start Guide of Oscilloscope 11 2 3 Side Panel Figure 2 2 Side Panel ...
Страница 27: ...Chapter 2 Quick Start Guide of Oscilloscope 13 2 5 Front Panel Figure 2 4 Front Panel of Tablet Oscilloscope ...
Страница 30: ...16 Figure 2 5 Oscilloscope Interface Display ...
Страница 51: ...Chapter 3 Operate the Oscilloscope with Buttons 37 Figure 3 1 Button Areas ...
Страница 61: ...Chapter 4 Horizontal System 47 Figure 4 1 Horizontal system ...
Страница 82: ...68 Figure 5 4 Channel Open Close and Switching ...
Страница 88: ...74 Figure 5 7 DC Coupling Figure 5 8 AC Coupling ...
Страница 126: ...112 Figure 6 21 Trigger Level Adjustment Trigger pulse width time can be set as 8ns 10s ...
Страница 150: ...136 Figure 7 2 Pull up Menu Figure 7 3 All Measurements ...
Страница 159: ...Chapter 7 Analysis System 145 Figure 7 8 Frequency Meter Measurement Menu Open Figure 7 9 Frequency Meter Measurement ...
Страница 161: ...Chapter 7 Analysis System 147 Figure 7 10 Cursor Measurement Description ...
Страница 168: ...154 Figure 8 1 Screen Capture Please refer to 13 6 Picture View for details on viewing pictures ...
Страница 176: ...162 Figure 8 5 Delete Reference Files CSV files CSV file structure ...
Страница 190: ...176 Figure 9 4 Spectrum Amplitude as V Hz Adjust FFT waveforms Waveform position ...
Страница 236: ...222 Figure 12 8 UART Graphic Interface UART graphic interface description 1 Trigger position 2 Trigger type ...
Страница 324: ...310 Figure 14 6 Android APP Figure 14 7 Successful Connection of Android APP ...
Страница 336: ...322 Figure 15 3 Decode Functions Installed ...
Страница 353: ...Annex 339 Optional accessories 1 Oscilloscope suitcase handbag 2 Battery 3 Leather carry strap 4 High voltage probe ...