SYNTHESIZER FOR RADAR SENSING

In some examples, a radar system includes first direct digital synthesizer (DDS) circuitry and first phase-locked loop (PLL) circuitry configured to generate a first sinusoidal signal based on a first DDS signal generated by the first DDS circuitry. In some examples, the radar system further include...

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Bibliographische Detailangaben
Hauptverfasser:	VACANTI, David C, POS, Marc M
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATIONOF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES BASIC ELECTRONIC CIRCUITRY DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRICITY LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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Beschreibung
Zusammenfassung:	In some examples, a radar system includes first direct digital synthesizer (DDS) circuitry and first phase-locked loop (PLL) circuitry configured to generate a first sinusoidal signal based on a first DDS signal generated by the first DDS circuitry. In some examples, the radar system further includes transmitter circuitry configured to generate a radar signal based on the first sinusoidal signal. In some examples, the radar system also includes one or more antennas configured to transmit the radar signal and receive a return signal based on the radar signal. In some examples, the radar system includes second DDS circuitry, second PLL circuitry configured to generate a second sinusoidal signal based on a second DDS signal generated by the second DDS circuitry, and receiver circuitry configured to process the return signal based on the second sinusoidal signal.