A system consisting of a gamma camera and a collimator is used to measure the location of a radiation source in a space where people use it or in places where people are crowded. Systems with collimators require considerable time to measure the location of the radiation source due to their low sensitivity, while can be a problem when minimizing damage through rapid tracking of radiation sources. As a solution to this low-sensitivity problem, a method of tracking the location of a radiation source by using several spectroscopy detectors for the detection of radiation has been developed. Become a radiation spectroscopy detector does not use a collimator, the sensitivity can be significantly improved compared to that of a gamma camera system with a collimator, which in turn enables the quick identification of the radiation source. The position measurement method is based on the principle that the amount of detected radiation is inversely proportional to the square of the distance. By using several radiation spectroscopy detectors, it was possible to derive the unknown equations for distance and the distance calculation method for each axis by using these equations. The radiation was measured using a Geant4 Application for Tomographic Emission (GATE) simulation, and the accuracy of the position measurement was evaluated using the distance the calculation method.

中文翻译：

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使用辐射光谱探测器定位辐射源的方法

由伽马相机和准直器组成的系统用于测量辐射源在人们使用的空间或人群拥挤的地方的位置。带有准直器的系统由于灵敏度低而需要相当长的时间来测量辐射源的位置，而在通过快速跟踪辐射源最大限度地减少损坏时可能会出现问题。为了解决这个低灵敏度问题，已经开发了一种通过使用多个光谱检测器来检测辐射来跟踪辐射源位置的方法。成为不使用准直器的辐射光谱检测器，与带准直器的伽马相机系统相比，灵敏度可以显着提高，从而能够快速识别辐射源。位置测量方法基于检测到的辐射量与距离的平方成反比的原理。通过使用多个辐射光谱探测器，可以通过使用这些方程推导出距离的未知方程和每个轴的距离计算方法。使用 Geant4 Application for Tomographic Emission (GATE) 模拟测量辐射，并使用距离计算方法评估位置测量的精度。使用这些方程可以推导出未知的距离方程和每个轴的距离计算方法。使用 Geant4 Application for Tomographic Emission (GATE) 模拟测量辐射，并使用距离计算方法评估位置测量的精度。通过使用这些方程，可以推导出未知的距离方程和每个轴的距离计算方法。使用 Geant4 Application for Tomographic Emission (GATE) 模拟测量辐射，并使用距离计算方法评估位置测量的精度。