... 方位角效应 azimuthal effect 方向性函数 directivity function 放射地球物理化学 radiogeophysical chemistry ...
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... directivity factor ==> 指向计数,方向性因数,指向性因数 directivity function ==> 指向性函数,方向性函数 directivity gain ==> 指向性因数=>指向性利得 ...
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generalized directivity function 广义方向性函数
The sound field of the Continuous Wave and the Impulsive Wave is described by the directivity function.
用指向性函数分别描述了医用线列阵单频波和宽带波声场。
The directivity function is used to describe the sound field of single-frequency and broad-band waves produced by a medical linear array.
用指向性函数分别描述了医用线列阵单频波和宽带波声场。
This paper analyses the pattern function of DBF in subarray. The designing method for directivity pattern is given and the condition of producing the grating lobe is discussed.
详细分析了由子阵构成的DBF的方向性函数特性，给出了方向图的设计方法，并讨论了其栅瓣产生的条件。
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