1) uniform distribution of pressure amplitude
声压均方差
1.
The formula of average pressure and the mean difference of pressure are presented as function of frequency and phase;it is known that uniform distribution of pressure amplitude can be obtained by the sets of values of frequency and phase.
声波的频率及相位影响三频声场的均匀性,通过对平均声压与声压均方差参数分析可知,频率及相位的不同取值会同时影响声波总能量与均匀性,可以通过取合适的参数实现声场均匀性。
2) RMS sound pressure
均方根声压
3) root-mean-square noise voltage
均方根噪声电压
4) mean variance
均方,方差
5) variance
[英]['veəriəns] [美]['vɛrɪəns]
方差,均方
6) the mean difference of pressure
平均声压
1.
The formula of average pressure and the mean difference of pressure are presented as function of frequency and phase;it is known that uniform distribution of pressure amplitude can be obtained by the sets of values of frequency and phase.
声波的频率及相位影响三频声场的均匀性,通过对平均声压与声压均方差参数分析可知,频率及相位的不同取值会同时影响声波总能量与均匀性,可以通过取合适的参数实现声场均匀性。
补充资料:均方差
分子式:
CAS号:
性质:简称均方差。是样本中各个测定值xi对样本平均值x的差值平方和除以测定次数n,以表示。它不是总体方差σ2(x)的无偏估计值。
CAS号:
性质:简称均方差。是样本中各个测定值xi对样本平均值x的差值平方和除以测定次数n,以表示。它不是总体方差σ2(x)的无偏估计值。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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