Telecommunications – Receiver or analog modulated signal frequency converter – Measuring or testing of receiver
Patent
1994-11-02
1995-11-07
Eisenzopf, Reinhard J.
Telecommunications
Receiver or analog modulated signal frequency converter
Measuring or testing of receiver
455229, 375343, H04B 1700
Patent
active
054654050
ABSTRACT:
A circuit to improve the sensitivity of a receiver by more than 3 dB. According to the invention, conventional predetection integrators are replaced by a circuit to compute the correlation of the received signal with a delayed version of the received signal. The time delay is selected such that the noise in the signal and the delayed signal are statistically independent.
REFERENCES:
patent: 4038540 (1977-07-01), Roberts
patent: 4064361 (1977-12-01), Kustka et al.
patent: 4965759 (1990-10-01), Uchida et al.
Hagiwara et al. "Electronics and Communication in Japan" vol. 67-B, No. 10, pp. 66-74, May 1984.
Baseghi Behshad
Holtz Brian E.
Mazooji Mohammad
Clark William R.
Eisenzopf Reinhard J.
Le Thanh
Raytheon Company
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