Title :
A novel signal pre-processing circuit for prospecting apparatus
Author :
Gong, Chenglong ; Tian, Jinming ; Feng, Yuan ; Liu, Yongqiang
Author_Institution :
Sch. of Electron. Eng., Huaihai Inst. of Technol., Lianyungang, China
Abstract :
By investigating the deficiency of traditional Rayleigh wave prospecting apparatus in effective dynamic range and exploration precision, a new signal channels based on circular amplifying floating-point ADC was brought forward. The signal amplifying and offset error self-compensation algorithm were discussed. Application analysis shows that, system Transient Dynamic Range/Tiptop Signal Frequency of the fleet-level, middle-level & deep-level are 90db/1536Hz, 90db/200Hz & 84db/156Hz respectively, and the upright exploration resolution of middle & deep-level is better than the traditional floating-point ADC and H-A ADC seismic prospecting apparatus.
Keywords :
analogue-digital conversion; digital signal processing chips; H-A ADC seismic prospecting apparatus; Rayleigh wave prospecting apparatus; circular amplifying floating-point ADC; signal preprocessing circuit; Dynamic range; Frequency measurement; Instruments; Noise; Petroleum; Signal resolution; Transient analysis; ADC; Circular amplifier; Pre-processing circuit; Prospecting apparatus; Rayleigh waves;
Conference_Titel :
Control and Decision Conference (CCDC), 2011 Chinese
Conference_Location :
Mianyang
Print_ISBN :
978-1-4244-8737-0
DOI :
10.1109/CCDC.2011.5968732
