This product is discontinued → DS0321A

The DS-0321 is basic software for frequency analysis. With this software, you can resolve time-axis waveform into each frequency, and observe the level of each component. It fits the purpose of resonance frequency observation or careful observation of sound frequency component.


·Illustration in which measured waveform starts to move immediately after the software starts. (Easy to use software screen data)

·Various measurement condition can be changed while watching real-time measurement screen.

·Only the necessary setting items can be registered according to the needs.

This is easy-to-use software with on-site measurement with limited time.



  • Variation of display format
  • In response to your purpose, the measurement result can be displayed in various formats.
  • Easy to see how the amplitude and frequency change.

3D array display(line)

Color map

3D array display(color)

Applications for FFT Analysis

(1) Noise and vibration analysis of a refrigerator, washing machine, air conditioner etc.
(2) Noise and vibration analysis of a printer, copy [copying] machine.
(3) Vibration analysis of hard disk
(4) Noise and vibration analysis of a vehicle engine or cabin.
(5) Abnormal diagnosis of a bearing
(6) Abnormal diagnosis of a gear
(7) Vibration analysis of a motor, turbine, compressor etc.
(8) Vibration analysis of machine tool
(9) Measurement of rate of rotation variability
(10) Frequency response measurement of a structure by impulse excitation
(11) Vibration feature analysis of a baseball bat, tennis racket, golf club shaft
(12) Actual vibration animation of a vehicle chassis
(13) Frequency response characteristic analysis of a speaker
(14) Noise analysis of ringtone of a mobile computer
(15)Evaluation of flicker in LCD screen


(1) Input section

  DS-0362 / 0364 (40 kHz unit) DS-0366 (100 kHz unit)
Frequency range 4 mHz to 40 kHz 10 mHz to 100 kHz
Number of sampling points 64 points(25 lines), 128 points(50lines), 256 points(100 lines),
512 points(200 lines), 1024 points(400 lines),
2048 points(800 lines), 4096 points(1600 lines),
8192 points(3200 lines), 16384 points(6400 lines)
Window function Rectangular, Hanning, Flat-top, Force window,
Exponential window , User-defined window

(2) Display· calculation function

  DS-0362 / 0364 (40 kHz unit) DS-0366 (100 kHz unit)
Analysis function
(time axis)
Time-axis waveform, Auto/cross-correlation function, Impulse response, Cepstrum
Analysis function
(frequency axis)
Power spectrum, Fourier spectrum, Liftered spectrum, Cross spectrum,
FRF (real), Coherence function, Coherence output power
Analysis function
(time-axis statistical processing)
Mean value, absolute mean value, rms value, standard deviation, kurtosis, form factor, crest factor, skewness, maximum value, minimum value
Analysis screen display Up to 64 screens/one window(overlapping display in a window)
Up to 10 windows
Calculation function Inverse Fourier transform, frequency differential and integral calculus,
Hilbert transform, open and close loop calculation, damping ratio calculation, FRF inverse calculation, four arithmetic operations

(3) Data input/output function

  DS-0362 / 0364 (40 kHz unit) DS-0366 (100 kHz unit)
Data file Binary, text, bitmap format
Unit connecting function
(frequency axis)

Two-unit connection is enabled. (max:32ch+32ch=64ch)

*Required DS-0391(unit connecting interface)and AX-9035(cable for unit connecting interface).


(4) Operating environment


Windows® XP (SP2 or later), Windows Vista® (SP2 or later), Windows® 7

*32bit version only

NET Framework

.NET Framework 3.5 or later

*Windows®, Windows Vista® are registered trademarks of Microsoft Corporation in the United States and other countries.

Other product names and model names are trademarks or registered trademarks of each individual company. The copy rights are reserved by each individual company.




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