METHOD OF PULSE INTERFERENCE COMPENSATION WHEN DETECTING EXTENDED SIGNALS AND DEVICE THEREFOR Russian patent published in 2019 - IPC H04B1/10 

FIELD: radar ranging and radio navigation.

SUBSTANCE: invention relates to the field of radar and can be used for interference compensation in the detection of long signals. In the impulse noise compensation method, three passes are performed by sliding windows over the input signal. Number of passes is chosen specifically to distinguish the pulsed bursts of the signal amplitude in the elements of the input array, which will be clearly distinguished from the adjacent elements of the array. First pass is designed to estimate the average in the small windows to the right and left of the selected element. Small size of the windows, for example, 4–6 elements, allows to track sharp transitions in amplitude between adjacent elements. Result after the first pass has a high dispersion for closely spaced elements of the array. Second pass uses only one moving averaging window, which is directed to the left side, which allows reducing the dispersion of closely spaced values after the first pass, taking into account the amplitudes of the elements on the left side. In the third pass, a similar sliding window averaging is used, as in the second pass, only the averaging elements in the window are grouped to the right of the array element under study. Further, the threshold values formed after the third pass can be used to generate features on the input array of elements, where it is necessary to compensate for impulse noise.

EFFECT: increasing the level of correct detection of barely noticeable targets, compensating for impulse noise before applying matched filtering and preventing the propagation of influence on an extended signal.

3 cl, 5 dwg