PHOTON-BASED TARGET DETECTION USING COARSE AND FINE BINNING

Exemplary aspects of the present disclosure involve a SPAD receiver having circuitry for photon detection and having a plurality TDCs (time-to-digital converters) to detect multiple photons. Such circuitry may be set to accumulate photon counts over relatively coarse time ranges. In such accumulatio...

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Bibliographische Detailangaben
Hauptverfasser:	Bolatkale, Muhammed, Kulesh, Maxim, Son, Dongjin
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES HOROLOGY LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING TIME-INTERVAL MEASURING
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Beschreibung
Zusammenfassung:	Exemplary aspects of the present disclosure involve a SPAD receiver having circuitry for photon detection and having a plurality TDCs (time-to-digital converters) to detect multiple photons. Such circuitry may be set to accumulate photon counts over relatively coarse time ranges. In such accumulation of photons in relatively coarse time ranges, photon counts may be binned for each time range. Possible targets may then be identified by examination of the bins. Upon identification of the possible targets, a plurality of TDCs may be used over a more refined time ranges such as the time ranges corresponding to the identified possible target or targets.