| 摘要 |
<p>A the receiver unit (105) comprises at least one single photon avalanche detector element (250 to 266) of a Geiger mode, time-to-digital converter circuit (208) and a processing unit (210). Each single photon avalanche detector element (250 to 266) is enabled to detect a photon in at least one time-gated window, and each single photon avalanche detector element (250 to 266) is configured to output an electric pulse in response to detection of a photon of optical radiation within the at least one time-gated window. The time-to-digital converter circuit (208) provides timing data associated with said electric pulse for determination of a distance of a target (112) on the basis of the timing data provided by the time-to-digital converter circuit (206).</p> |
