Study of a full-digital multi-waveform nuclear pulse signal generator

Area of Science:

• Nuclear Instrumentation and Radiation Detection
• Digital Signal Processing
• Electronic Engineering

Background:

• Traditional nuclear pulse signal generators use analog circuits, limiting waveform flexibility and parameter adjustment.
• Existing generators produce signals based on specific amplitude distributions and counting rates, adhering to radiation detector output laws.
• The single waveform output and difficulty in parameter adjustment hinder the adaptability of conventional systems.

Purpose of the Study:

• To explore digital C-R and R-C filters for nuclear pulse signal generation.
• To propose a cascading digital filter algorithm for versatile nuclear pulse signal simulation.
• To enhance the flexibility and application scope of digital nuclear pulse signal generators.

Main Methods:

• Development of a cascading digital filter algorithm using C-R and R-C filter configurations.
• Implementation of serial and parallel connections of multiple digital filters.
• Simulation of nuclear pulse signals based on varying detector characteristics and counting rates.

Main Results:

• The proposed algorithm successfully generated multiple pragmatic nuclear pulse signal outputs.
• Actual test results confirmed the ability to simulate nuclear pulse signals under different detector types.
• The system demonstrated effective simulation across various counting rates, validating the algorithm's performance.

Conclusions:

• The digital cascading filter algorithm significantly improves the flexibility of nuclear pulse signal generators.
• This approach overcomes the limitations of traditional analog circuits, offering a wider range of applications.
• The developed generator can accurately simulate nuclear pulse signals, enhancing its utility in radiation detection research.