broadband noise field
... radio noise field intensity 无线电噪声场强度 Broadband Noise Field 宽带噪声场 background noise field strength 背景噪声场强 ...
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我们对它的声场和频谱作了详细的实验测量，由于采用外差分析技术，冲击噪声的离散谱和宽带谱可同时记录。
Sound field and spectra thereof were investigated experimentally by utilizing the heterodyne analysis technique, so that both the screech and the wide-band noise can be recorded and studied.
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