A device capable of simulating overlapping nuclear pulse signal generation and its control method

A technology of nuclear pulse signal and generating device, which is applied in simulators, program control, computer control, etc., to achieve the effect of simple operation

Active Publication Date: 2021-05-07
PAN CHINA DETECT TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to solve the testing, calibration, calibration and other work of energy spectrum measuring instrument (referred to as spectrometer) and other devices under the condition of no actual radionuclide source through a device that can simulate overlapping nuclear pulse signals and its control method

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  • A device capable of simulating overlapping nuclear pulse signal generation and its control method
  • A device capable of simulating overlapping nuclear pulse signal generation and its control method
  • A device capable of simulating overlapping nuclear pulse signal generation and its control method

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Embodiment Construction

[0025] The present invention will be described in more detail through the accompanying drawings and specific embodiments below.

[0026] see Figure 1-Figure 5, a device capable of simulating overlapping nuclear pulse signals, including a CPU, FPGA, a high-speed digital-to-analog conversion chip DAC, a current-voltage conversion module, a high-speed operational amplifier, a USB communication interface, and a power supply module. Receive relevant parameters, and transmit single or multiple overlapping pulse waveform data to FPGA, FPGA sends data to high-speed digital-to-analog conversion chip DAC according to the specified dot frequency and signal cycle, DAC outputs voltage pulse signal through current-voltage conversion module, and then Adjust the pulse amplitude and improve the signal output driving ability through the high-speed operational amplifier; the power interface is connected to the power module, and the power module supplies power to the CPU, FPGA, high-speed digita...

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Abstract

The invention discloses a device capable of simulating overlapping nuclear pulse signal generation and a control method thereof. The device uses a CPU, FPGA and a high-speed digital-to-analog conversion chip as the core, and includes a current-voltage conversion module, a high-speed operational amplifier, and the like. The control method of the device is that the CPU receives the relevant parameters from the PC or the handheld terminal, generates a single standard double-exponential nuclear pulse signal according to the algorithm formula, calculates the overlapping data of multiple nuclear pulses by FPGA, and controls the high-speed digital-to-analog conversion chip DAC Generate overlapping pulse signal output under different conditions, and can generate single or periodic nuclear pulse signals. The overlapping pulse resolution capability of the spectrometer can be tested under the condition of no actual radionuclide source, and the energy resolution, counting and amplitude measurement accuracy, system stability and other functions of the spectrometer can be tested.

Description

technical field [0001] The invention relates to a pulse signal generator, in particular to a pulse signal generator capable of simulating overlapping nuclear pulses and a control method thereof. Background technique [0002] In the process of modern physical experiments and related scientific research and instrument development, it is usually necessary to convert the radiation emitted by standard radionuclide sources into electrical pulse signals through radiation detectors, and then use electronic methods to study and process them, and it is hoped that The information carried in the radioactive source and detector can be obtained from these pulse signals without distortion as much as possible. Standard radioactive sources are increasingly used in scientific research and production. Considering the strong radiation of the radioactive source itself, long-term exposure will cause different degrees of radiation damage to relevant personnel. At the same time, each radiation prot...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/042G01T7/00G01T1/36
CPCG01T1/36G01T7/00G01T7/005G05B19/0423
Inventor 王海涛李明玉刘丹王仁波
Owner PAN CHINA DETECT TECH CO LTD
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