Improved multilevel quantization for detection of narrowbandsignals |
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| Authors: | Helstrom CW |
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| Institution: | Dept. of Electr. & Comput. Eng., California Univ., La Jolla, CA; |
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| Abstract: | Nearly optimum quantization levels for multileveled quantizers in radar receivers and distributed-detection are calculated for preassigned false-alarm probability Q0 by maximizing the detection probability Qd after replacing both Q 0 and (1-Qd) by the saddlepoint approximations. Narrowband signals of random phase and with both fixed and Rayleigh-fading amplitudes in Gaussian noise are treated, and the loss in signal detectability incurred by quantization is estimated |
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