Analysis types

Real-time analysis mode with: Spectrogram/oscillogram

The spectrogram and/or oscillogram runs across the screen in real time, while the signal is simultaneously stored on the hard disk. Only the available hard disk space limits the recording length. After interrupting the real-time analysis, the entire sequence resides on the hard disk, immediately available for playback, further analysis or editing.

Sound file analysis mode with: Spectrogram/oscillogram

FFT sizes: 16, 32, 64, 128, 256, 512, 1024, 2048 samples.
Windows: Rectangular, Hamming, Hanning, Parzen, Cosine.
Versatile threshold, contrast and overlap adjustments to change appearance of spectrograms.
Different spectrogram color maps available, including "User defined":

/screenshots/spectogram_color_mapping_medium.png

 

Power spectrum

/screenshots/power_spectrum2_large.png

FFT sizes: 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384 samples.
Windows: Rectangular, Hamming, Hanning, Parzen, Cosine.

Pulse Interval analysis
Displays the distribution of time intervals between pulses in a histogram.

Pulse Length analysis
Displays the distribution of pulse lengths in a histogram.

/screenshots/pulse_interval_analysis_medium.png 

Pulse Characteristics analysis

/screenshots/pulse_characteristics_analysis_medium.png

The user selects the analysis criteria and the program automatically extracts many important signal parameters, such as:

  • Pulse duration
  • Pulse start time
  • Pulse end time
  • Maximum frequency
  • Minimum frequency
  • Frequency at maximum amplitude