Yunchen QIAN, Jianbin ZHOU, Quanwei LIU, Yingjie MA, Yi LIU, Xu HONG. Trigonometric functions-based gaussian-like shaping algorithms for nuclear signals[J]. NUCLEAR TECHNIQUES, 2024, 47(6): 060401
- NUCLEAR TECHNIQUES
- Vol. 47, Issue 6, 060401 (2024)
Fig. 1. Comparison of trigonometry-based Gaussian-like and Gaussian pulse (Gaussian pulse: μ = 2, σ = 0.4, Gaussian-like pulse: tc = 2)
Fig. 2. Dual exponential signal (a) and Gaussian-like signal (b)
Fig. 3. Cascade structure of Gaussian-like pulse shaping algorithm for a dual exponential signal
Fig. 4. Gaussian-like shaping with different shaping parameters(a) Falling edge attenuation constant τ1, (b) Rising edge attenuation constant τ2, (c) Shaping width nc
Fig. 5. Impact of different nc values on frequency characteristics
Fig. 6. Shaping pulses obtained by different pulse shaping algorithms
Fig. 7. Experimental platform for energy dispersive X-ray fluorescence spectroscopy analysis based on a Fast SDD detector
Fig. 8. Energy spectrum obtained by different pulse shaping algorithms (tube current: 15.7 μA, peaking time: 1.8 μs)(a) Sin shaping, (b) Gaussian-like shaping
Fig. 9. Relationship between energy resolution and peaking time for different tube flows(a) 15.7 μA, (b) 31.4 μA, (c) 78.4 μA, (d) 156.9 μA
Fig. 10. Relationship between the characteristic peak area of the energy spectrum and peaking time for different tube flows(a) 15.7 μA, (b) 31.4 μA, (c) 78.4 μA, (d) 156.9 μA
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