本文简要介绍国家体育场扩声系统的组成、设计指标及线阵列扬声器在本次设计中的应用。
The paper briefly introduces the form of sound amplifying system of National Stadium, its design index and the ap- plication of line array loudspeakers in the project design.
拖曳线列阵的方位分辨率是一项重要性能指标，而它被拖曳线列阵的阵列孔径所限制。
The direction-of-arrival resolution of the towed linear array is an important performance index, which is restricted by the array aperture of the towed linear array.
它是用来作为一个指标纳入导出函数在选定的组件阵列。
It is used as an index into the array of exported functions in the selected module.
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