4National Instruments. LabVIEW User Manual [ M ]. Texas : N1,2001.
5COSIMO Imperiale, ALESSIO Imperiale. On nuclear spectrometry pulse digital shaping and processing[J]. Measurement, 2001, 30(1): 49- 73.
6陈树学.LabVIEW宝典[M].北京:清华大学出版社,2001:5-13.
7IONITA C N, HOFFMANN K R, BEDNAREK D R, et al. Cone-beam micro-CT system based on LabVIEW software[J]. Journal of Digital Im- aging, 2008, 21(3): 296-305.
8RAU R, McCLELLAN J H. Efficient approxi- mation of Gaussian filters[J]. IEEE Transactions on Signal Processing, 1997, 45(2) : 468-471.