Digital pulse amplitude analyzer based on symmetrical zero area trapezoidal shaping

A digital pulse and amplitude analysis technology, applied in pulse processing, pulse generation, pulse technology, etc., to achieve the effect of reducing a large number of multiplication operations

Active Publication Date: 2017-07-14
成都飞派科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0012] Although the bipolar zero-area forming method can perform baseline restoration and automatic baseline deduction, because it is not a symmetrical forming method, the positive and negative poles of the bipolar can only deduct the baseline on the corresponding side

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  • Digital pulse amplitude analyzer based on symmetrical zero area trapezoidal shaping
  • Digital pulse amplitude analyzer based on symmetrical zero area trapezoidal shaping
  • Digital pulse amplitude analyzer based on symmetrical zero area trapezoidal shaping

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Embodiment Construction

[0035] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0036] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0037] Such as figure 1 As shown, a digital pulse amplitude analyzer based on symmetric zero-area trapezoidal forming, including ADC, deconvolver, trapezoidal synthesizer and symmetric zero-area trapezoidal synthesizer connected in sequence, the first analog core signal is digitized by high-speed ADC After digital signal processing, the digital nuclear signal needs to be deconvoluted to remove the exponential tail to become a unit pulse signal, and then p...

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Abstract

The invention relates to a digital pulse amplitude analyzer based on symmetrical zero area trapezoidal shaping. The digital pulse amplitude analyzer comprises an ADC, a deconvolution machine, a trapezoidal synthesizer and a symmetrical zero area trapezoid synthesizer which are connected in sequence. According to the digital pulse amplitude analyzer, a symmetrical zero area trapezoid is synthesized based on a widely-applied trapezoidal shaping algorithm, through the shaping algorithm, a base line can restore stability, the symmetrical zero area trapezoid adopts a differential recurrence equation form algorithm, so that a large amount of multiplications needed in the convolution operation are reduced, an operation result can be output in real time, and the dead time of measurement of a system is eliminated.

Description

technical field [0001] The invention relates to the field of digital signal processing, in particular to a digital pulse amplitude analyzer based on symmetrical zero-area trapezoidal shaping. Background technique [0002] The digitization of the signal waveform refers to the time sampling and amplitude quantization of the time-continuous and amplitude-continuous analog signal by ADC to obtain the time-discrete and amplitude-discrete digital signal. [0003] In the extraction and analysis of the pulse amplitude, the integral area within one period of the traditional unipolar shaping method is not zero, and the shaped baseline will change with the baseline of the pulse signal, and the baseline drift will lead to energy loss in the nuclear spectrometer system. The resolution decreases, so the method of baseline restoration and baseline subtraction is used to remove the influence of the baseline. Digital baseline restoration is to use digital signal processing algorithm to opti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03K4/94H03K5/00
CPCH03K4/94H03K5/00H03K2005/00078
Inventor 曾国强葛良全杨剑余鹏唐伟范颖
Owner 成都飞派科技有限公司
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