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Loudspeaker horn and method for controlling grating lobes in a line array of acoustic sources
Loudspeaker horn and method for controlling grating lobes in a line array of acoustic sources
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机译:扬声器喇叭和用于控制声源线阵列中的光栅波瓣的方法
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摘要
A loudspeaker horn (11) having a throat end (13) for receiving acoustic power from aligned acoustic power sources (41, 43, 45), an elongated throat (33), and a flared section (17) is provided with grating lobe mitigation fins (27, 29) that extend substantially parallel to the propagation axis of the horn from the throat end toward the mouth end of the horn's flared section. The length of the grating lobe mitigation fins is established in accordance with the degree of suppression of the grating lobes produced by the aligned acoustic power sources that is desired.
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