Discriminator Detection of Wide-Band PCM/FM |
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| Authors: | Stone MS |
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| Institution: | TRW Inc., Redondo Beach, Calif. 90278; |
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| Abstract: | The performance of discriminator detection of wide-band PCM/FM is investigated. Formulas are derived that allow one to predict system performance with the effects of both predetection and postdetection filtering accounted for. In particular, for a postdetection equivalent noise bandwidthbit time product b0T=2, it is shown that best results are obtained with a modulation index ?=0.6. Furthermore, it is shown that performance to within 1.5 dB of theoretical can be obtained. |
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