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介绍了以微机为核心组成的声强测量系统的基本原理和系统组成。该系统通过软件可以实现声功率的测量分析，最后介绍了利用声强测量系统测量标准声源和空气压缩机的噪声声功率级的测量结果。
The basic principles and system components of the sound intensity measurement system which is composed of a microcomputer are introduced. The system can realize the measurement and analysis of sound power through the software. Finally, the measurement results of the noise power level of the standard sound source and the air compressor by using the sound intensity measurement system are introduced.