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气敏信号的远距离多点采集与调频载波传输
引用本文:顾文照. 气敏信号的远距离多点采集与调频载波传输[J]. 东南大学学报(自然科学版), 1995, 25(5): 131-137
作者姓名:顾文照
作者单位:中国药科大学药学院
摘    要:

关 键 词:气敏信号 多点检测 载波传输 调频 气敏元件

The Multi-Dotted Sampling and Frequence Modulated Carrier Transmission of Gas Sensitive Signals as Long Distance
Gu Wenzhao. The Multi-Dotted Sampling and Frequence Modulated Carrier Transmission of Gas Sensitive Signals as Long Distance[J]. Journal of Southeast University(Natural Science Edition), 1995, 25(5): 131-137
Authors:Gu Wenzhao
Abstract:A high common-mode disturbance,decaying and noice exist in the multi-dotted samplingand transmission of gas sensitive signals at long distance,This pepor explains that these problems can besolved by v-f conversion,and further points out that the converted frequence-modulated signals can betransmitted along power cable by means of direct current carrier economically.The signal sources ofgas sensors and interconnect of conversion and transmission are discussed.The related examples and re-sults are provided.
Keywords:gas sensitive signal  multi-dotted detection and measurement  common-mode distur-bance  voltage-frequence conversion  carrier tansmission  frequence modulation
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