LPI Radar Waveform Recognition Based on Time-Frequency Distribution
نویسندگان
چکیده
منابع مشابه
LPI Radar Waveform Recognition Based on Time-Frequency Distribution
In this paper, an automatic radar waveform recognition system in a high noise environment is proposed. Signal waveform recognition techniques are widely applied in the field of cognitive radio, spectrum management and radar applications, etc. We devise a system to classify the modulating signals widely used in low probability of intercept (LPI) radar detection systems. The radar signals are div...
متن کاملdetection of phase code modulated lpi radar signals using time-frequency distributions and comparing with roc of lpi radar receiver
nowadays, in the modern wars, radars have faced with many threats. therefore, low probability of interception (lpi) capability is considered as an important factor in military radars. on the other hand, research on the interception of their signals is started and so far several methods are presented for detection of these signals. by using of time-frequency techniques, we can estimate signal pa...
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Multiple-input multiple-output (MIMO) radar has superior performance to conventional one. It has been introduced to almost every application field of conventional radar in recent years. In practical application, MIMO radar also faces the problem of congested spectrum assignment, which makes it not possible to have a continuous clear band with large bandwidth. Sparse frequency waveform that cont...
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A radar waveform generator is implemented and it is designed by using directly digital modulation method based on DDS. It is able to generate arbitrary signals whose frequency amplitude and phases are controlled by the description words which will be given from external computer. Accurate waveforms are generated. By using Direct digital synthesis technique we can generate waveforms digitally . ...
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ژورنال
عنوان ژورنال: Sensors
سال: 2016
ISSN: 1424-8220
DOI: 10.3390/s16101682