User manual

Code: ENIGMA III User Manual
Edition: 1 Revision: 4
Date: 19/12/2008
Page: 59/97
6.11 ClutterFilter
Specify the clutter filter number. This value is used for Pulse Pair Processing , as well as for the FFT/DFT
processing. Possible values depend on selected autocorrelation algorithm ('AcfMode' parameter), see
corresponding 'Processing' sections. The larger the filter number is, the stronger filter is applied. 0 means
'no filter'.
Type: integer
Default: 1
6.11.1 InterpolationMode
Clutter subtraction is performed in the frequency domain. It is possible to recognize the highly coherent
echoes from the ground and cancel them in different ways. Cancellation method is chosen by this
parameter.
Possible values are:
0 - DC Cancelation
1 - Half plane subtraction
2 – Interpolation
3 - Dual slope search interpolation
Type: integer
Default: 0
6.11.2 FFTWindow
Possible values are:
0 – Rectangular
1 – Hamming
2 – Blackman
3 – Hann
4 – Welch
5 – Kaiser-Bessel
Type: integer
Default: 0
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