US 2026/0177709 A1 · GAIN COMPENSATION METHOD AND MODULE AND TARGET VOLTAGE DETERMINATION METHOD

Abstract

The present application relates to a gain compensation method and module and a target voltage determination method. The gain compensation method includes: acquiring angle data of the photomultiplier tube of the detector; the angle data being used for representing a relative angle between the photomultiplier tube and an environmental magnetic field; and outputting a voltage compensation signal to an adjustable power supply circuit according to the angle data; the voltage compensation signal is used for instructing the adjustable power supply circuit to adjust a supply voltage output to each photomultiplier tube, so as to cause an output amplitude of the photomultiplier tube to reach an expected output amplitude.

Claims20

Dependent claims

A supply voltage gain compensation method for a photoelectric detection element of a detector, wherein the detector is a detector of a SPECT system, the photoelectric detection element is a photomultiplier tube, and the method comprises:

acquiring angle data of the photomultiplier tube of the detector;
the angle data being used for representing a relative angle between the photomultiplier tube and an environmental magnetic field;
and
outputting a voltage compensation signal to an adjustable power supply circuit according to the angle data;
wherein the voltage compensation signal is used for instructing the adjustable power supply circuit to adjust a supply voltage output to each photomultiplier tube, so as to cause an output amplitude of the photomultiplier tube to reach an expected output amplitude.

2 more elements

A target voltage determination method for a photoelectric detection element of a detector, comprising:

acquiring detector performance parameters corresponding to a plurality of alternative voltages;
inputting the detector performance parameters into a preset evaluation model to obtain an evaluation result corresponding to each alternative voltage;
the evaluation model being a model representing different weights occupied by detector performance parameters in different dimensions in a process of predicting evaluation results;
and
selecting the alternative voltage with the optimal evaluation result as a target voltage as a supply voltage of the photoelectric detection element of the detector.

2 more elements

Dependencies are inferred from the claim text.

Gain compensation method and module and target voltage determination method

Life of this patent

Gain compensation method and module and target voltage determination method

Life of this patent

Abstract

Claims20