| 引用本文: | 余波,张占龙,郝西伟,李冰.直接数字合成技术的超声波发射电路(J/M/D/N,J:杂志，M：书，D：论文，N：报纸).期刊名称,2005，（5）： |
| CHEN X. Adap tive slidingmode contr ol for discrete2ti me multi2inputmulti2 out put systems[ J ]. Aut omatica, 2006, 42(6): 4272-435 |
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| 摘要: |
| 介绍了一种基于直接数字合成(DDS———direct D igital Frequency Synthesis)技术的超声波发射电路,具体给出了单片机控制电路、数字脉冲形成电路、强弱电信号隔离电路、电子开关及其控制电路、换能器匹配电路,以及系统软件的设计方案。 |
| 关键词: 超声波发射,DDS技术,换能器,电学匹配 |
| DOI： |
| 分类号:TP274.53 |
| 基金项目: |
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| Study of ultrasonic transmiting system based on DDS |
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YU Bo ZHANG Zhan-long HAO Xi-wei LI Bing
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| Abstract: |
| This paper introduces ultrasonic transmiting system scheme.The MCU control circuit,digital pulse forming circuit,circuit used for closing off strong electronic signals to ebb signals,electronic switch and circuit to control the switch,ultrasonic electromo |
| Key words: ultrasonic transmiting,Power Line Carrier,ultrasonic electromotor matching circuit, |
