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本文提出了一种单光子延时加权定位方法及其实现方案．现有的核医学影象设备的成像原理都是先对单光子进行定位，再经过长时间的曝光来实现．因此，单光子定位方法的性能直接影响成像的质量．本文推导了延时加权定位方法的空间编码和空间解码原理，为延时加权定位方法的数字化、集成化、小型化和模块化提供了理论依据，也为新型核医学影像设备的最终实现提供了方案．
In this paper, we propose a single-photon delay-weighted location method and its implementation. The imaging principle of the existing nuclear medical imaging equipment is to first locate the single photon and then expose it for a long time. Therefore, the performance of the single-photon localization method directly affects the quality of imaging. This paper deduces the principle of spatial coding and spatial decoding of delay-weighted location method, provides a theoretical basis for digitization, integration, miniaturization and modularization of time-delay weighted location method, and also provides the final realization of new nuclear medicine imaging equipment Program.