Detectability of periodic and synchronously recurrent transient signals in a noisy environment in which the noise power is time varying is investigated. For at least one noise model, it is shown that the basic nonlinearity of the optimum detector is a limiter. Performance of this optimum detector is compared with analog cross-correlation and clipper cross-correlation (CCC) detectors. It is shown that the CCC performs nearly optimally, especially at low signal-to-noise ratios, and that its performance is significantly better than that of the analog cross correlator.
On Transient and Periodic Signal Detection in Time-Varying Noise Power
IEEE Transactions on Aerospace and Electronic Systems ; AES-7 , 6 ; 1100-1112
1971-11-01
2033646 byte
Article (Journal)
Electronic Resource
English
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