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Isotope density imaging instrument for archaeology

An isotope and imager technology, applied in the field of archaeological exploration, can solve problems such as the development of an isotope density scanning imaging system for archaeology

Inactive Publication Date: 2007-03-21
CHENGDU UNIVERSITY OF TECHNOLOGY
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  • Abstract
  • Description
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Problems solved by technology

[0003] At present, no unit or individual has developed an isotope density scanning imaging system for archaeology at home and abroad.

Method used

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  • Isotope density imaging instrument for archaeology
  • Isotope density imaging instrument for archaeology

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Embodiment Construction

[0023] 1. Detector array (3)

[0024] The present invention uses NaI crystal as scintillator. NaI scintillator luminescence time is extremely short, only 10 -7 s. Thus, the maximum count rate can reach 10 5 Pulse / second, the detection efficiency of the detector is high. The size of the detector is determined according to the resolution of the target object to be detected and the effective volume of each scan. It can be from 10mm to 35mm in diameter, and is equipped with a photomultiplier tube of the same size to form a single detector, which is composed of multiple single detectors. For the detector array, the number of detectors is generally 10-20. The present invention selects 20 detectors to form a detector array (3), as shown in Fig. 2 and Fig. 3 . The pulse signal detected by the detector array (3) is transmitted to the amplifier (5) for amplification processing.

[0025] 2. Amplifier (5)

[0026] The present invention configures 20 amplifiers (5) for 20 detectors ...

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Abstract

The invention relates to an isotopic density imaging device for archaeology based on the nuclear engineering. When the radioactive rays from the isotope excitation source pass the non-uniform detected object, the degree of the attenuation is inverse ratio with the density of the detected object, so the excitation source is put in the earth by the stem tube and the controller controls detector array composed by 20 detectors which detect the excitation beam intensity by the rotary type and the translation type to transform the energy into the impulse signal which is amplified by the amplifier. The multiple tracks of impulse range analyzer forms the signal into the measurement spectrum according to the energy difference and memory the counting rate in every energy range, at last it transfers the spectrum to the CPU and image to get the density distributing, so it can guide the archaeology work.

Description

technical field [0001] The invention belongs to the technical field of archaeological detection, and relates to a new type of isotope density imager for archaeology, combined with nuclear electronic technology, mechatronics technology, and computer imaging technology, based on the principle that different substances transmit different gamma rays of the same energy, through the plane Determination of medium density, using computer imaging to understand the method of medium density distribution. Background technique [0002] China's ancient ceramics, bronzes, gold and other metal cultural relics are treasures of ancient Chinese civilization and have an important influence on world culture and modern civilization. Traditional archaeological methods mainly study major cultural relics in various historical periods from macroscopic aspects such as stratigraphy and artifact typology. Many achievements have been made, but how to accurately explore the buried location of cultural rel...

Claims

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Application Information

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IPC IPC(8): G01N9/24G01N9/36G01N23/08
Inventor 任家富庹先国王绪本周建斌陶永莉穆克亮林娟
Owner CHENGDU UNIVERSITY OF TECHNOLOGY
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