We analyze the pattern function of DBF in subarray under the ideal condition and with channel mismatch, and give the pattern functions of sum and difference beam.
本文分析了子阵d BF在理想通道条件及通道失配情况下的方向性函数，给出了其和差波束方向性函数特性。
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。
The method can correct the mismatch inside a channel and among channels, and is also suitable for both DBF in array element and DBF in non-uniform subarray.
该方法可对通道内和通道间的失配进行校正，且对由阵元构成的DBF和子阵d BF均适用。
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