ELAN Home Systems ES370 manual FFT for CH

Page 31

2.14.2Example FFT File

There are 1024 sets of numbers, followed by a footer that defined the acquisition mode used.

-54.0 -54.0 -54.0 -54.0 -54.0 -54.0

…

-54.0 -54.0 -54.0 -54.0 -54.0 -54.0

FFT FOR CH: 1

VERTICAL FULL SCALE (+/-v): 30

FREQ STEP (Hz): 2.44140625

SPECTRAL WINDOW: Rectangular

PLOT TYPE: dB(V) Plot

DATE: 27/09/2005 18:48:39

SOFTWARE: USBscope50 Ver1.0.8

Elan Digital Systems Ltd.

31

USBscope50 USER’S GUIDE Iss5

Image 31

Contents USER’S Guide Contents Hardware Specification Page Overview General Figure below shows a simplified diagram of the USBscope50 Using More Than One USBscope50 This is a safety critical point so please note it carefully Disassembling The Stack USB Connections For Stacked Configurations Repeat this for each channel in the stack to identify them Stacking Do’s And Don’ts Input Ranges Probe Compensation USBscope50 USER’S Guide Iss5 This Acquisition Modes Random Interleaved Sampling USBscope50 USER’S Guide Iss5 Trigger Modes Normal Triggering Trigger Position USBscope50 USER’S Guide Iss5 10Trigger Threshold USBscope50 USER’S Guide Iss5 12FFT Plot Spectrum Analyser 13Math Functions 14Data Export Data for CH FFT for CH Before plugging in the hardware USBscope50 USER’S Guide Iss5 Windows 2K and XP17 Page Power Requirements Performance Static Performance Dynamic Performance