摘要
本文介绍了采用直接积分方法,以PC总线结构为基础的微机系统来实现声强参数的数据采集和处理的SQY—1型声强频谱分析仪。论述了硬件结构;硬件和软件设计的内容,并提供了仪器的主要性能指标和实际应用中所采集数据的运算结果。实践证明该仪器可以满足工程实用要求。
This paper introduced the dual channel sound intensity analyger Type SQY-1. The analyger can real time process sound intensity data according to direct integral method. Moreover tell about the Hardware structure of computer system Based on pc Bus. the Design of the Hardware and software, provide the main specifications for Type SQY-1.Facts have proved that the sound intensity analyger full may meat the need of the engineering.
出处
《浙江大学学报(工学版)》
EI
CAS
CSCD
1992年第S1期129-134,共6页
Journal of Zhejiang University:Engineering Science
关键词
声强
声功率级
相位失配
sound intensity
sound power level
phase mismatch.