Radar signal modulation identification method of instantaneous frequency characteristics
The invention discloses a radar signal modulation identification method based on instantaneous frequency characteristics, and relates to the technical field of radar signal modulation identification, and the method comprises the steps: obtaining a first signal, and carrying out the segmentation proc...
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| creator | PENG SONG ZHENG MENGYUAN LI LIANGKUN SHANG LUNXING MENG YATONG |
| description | The invention discloses a radar signal modulation identification method based on instantaneous frequency characteristics, and relates to the technical field of radar signal modulation identification, and the method comprises the steps: obtaining a first signal, and carrying out the segmentation processing of the first signal, and forming a second signal; performing discrete sampling on each second signal and then recombining the second signals to form a third signal; performing window length traversal on the third signal by using a logarithmic window energy criterion; calculating an instantaneous frequency value of the third signal; mapping the midpoint time in the window length and the instantaneous frequency value to form a time-frequency mapping pair; the third signal is identified based on the time-frequency mapping pair. According to the method, the relative fitting deviation of the radar signals is roughly classified and judged, then the time-frequency ridge curves with the relative fitting deviation la |
| format | Patent |
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| subjects | ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING |
| title | Radar signal modulation identification method of instantaneous frequency characteristics |
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