岩体声发射监测现场噪声自适应数字滤波技术初探

EXPLORATION ON ADAPTIVE DIGITALFILTING OF SITE NOISE IN ROCK AE TEST

介绍了应用自适应数字对消滤波抑制现场施工噪声的原理及系统的组成， 并说明了室内和现场实验的情况。实践表明， 应用自适应数字对消滤波可有效地改进声发射仪抗现场噪声干扰的性能。

A m ethod of adaptive digitalfilt for restraining noise is presented and its application resultis in- troduced. Ithas been proved thatthis m ethod can effectively im prove the property ofAEinstrum ents on re- straining site noise.