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Application filed by Lorenz C AgfiledCriticalLorenz C Ag
Publication of CH256125ApublicationCriticalpatent/CH256125A/de
H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
H04L27/00—Modulated-carrier systems
H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
H04L27/22—Demodulator circuits; Receiver circuits
H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
H04L27/2276—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals using frequency multiplication or harmonic tracking
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
H04L27/00—Modulated-carrier systems
H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
H04L27/06—Demodulator circuits; Receiver circuits
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Engineering & Computer Science
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Computer Networks & Wireless Communication
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Signal Processing
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Amplifiers
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CH256125D1943-02-121943-12-28Empfangseinrichtung für Anlagen der Phasenumkehr-Wechselstromtelegraphie.
CH256125A
(de)
Schaltung zur gemeinsamen Erzeugung von Mikrowellen-Sendeschwingungen und Mikrowellen-Empfangsueberlagerer-schwingungen fuer Radargeraete mit Ausnuetzung des Dopplereffektes
Verfahren zur Erzeugung von modulierten, hochfrequenten Schwingungen, bei denen ein Seitenband bzw. ein Seitenband und die Traegerwelle unterdrueckt sind