作业帮英语翻译通过调整k1的值可以调节在一定范围内调节有源单元数目.对于密度加权阵,k1的值不可以超过1,否则方向图将恶化.为
来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/10/06 22:37:51
英语翻译
通过调整k1的值可以调节在一定范围内调节有源单元数目.对于密度加权阵,k1的值不可以超过1,否则方向图将恶化.
为有源阵元上的馈电幅度.若 只等1,密度加权阵为等副馈电,即用纯密度来模拟不等幅.这是一种简单的密度加权阵.为了进一步实现低副瓣,也可以不采用等幅度馈电,即多阶量化.例如,二阶量化,阵面中部单元的馈电幅度为1,阵面边缘的馈电幅度为0.5.通过多阶量化确定的密度加权阵,有源单元阵元的分布均匀,比等幅度馈电更容易实现低副瓣,这是一种多阶量化的复合型密度加权阵.
通过调整k1的值可以调节在一定范围内调节有源单元数目.对于密度加权阵,k1的值不可以超过1,否则方向图将恶化.
为有源阵元上的馈电幅度.若 只等1,密度加权阵为等副馈电,即用纯密度来模拟不等幅.这是一种简单的密度加权阵.为了进一步实现低副瓣,也可以不采用等幅度馈电,即多阶量化.例如,二阶量化,阵面中部单元的馈电幅度为1,阵面边缘的馈电幅度为0.5.通过多阶量化确定的密度加权阵,有源单元阵元的分布均匀,比等幅度馈电更容易实现低副瓣,这是一种多阶量化的复合型密度加权阵.
机器翻译,仅供参考.
Through adjusting k1 value can adjust within the scope of certain and adjust the number of active unit.For density weighted array,k1 values should not exceed 1,otherwise directed graph will worsen.
For active array element of feeder amplitude.If it is only 1,density of weighted array such as well,which is pure density vice feeder to simulate ranging from painting.This is a simple density weighted array.In order to further achieve lower sidelobe,also can not using feeder,namely how such amplitude quantification order.For example,the two-order quantification,array in central unit feeder amplitude face to 1,face the edges of the feeder amplitude array for 0.5.Through multiple order determined density weighted array quantification,active unit of array elements,such as distributed homogeneously than easier to implement low amplitude feeder sidelobe,this is a kind of many order quantification of composite density weighted array.
Through adjusting k1 value can adjust within the scope of certain and adjust the number of active unit.For density weighted array,k1 values should not exceed 1,otherwise directed graph will worsen.
For active array element of feeder amplitude.If it is only 1,density of weighted array such as well,which is pure density vice feeder to simulate ranging from painting.This is a simple density weighted array.In order to further achieve lower sidelobe,also can not using feeder,namely how such amplitude quantification order.For example,the two-order quantification,array in central unit feeder amplitude face to 1,face the edges of the feeder amplitude array for 0.5.Through multiple order determined density weighted array quantification,active unit of array elements,such as distributed homogeneously than easier to implement low amplitude feeder sidelobe,this is a kind of many order quantification of composite density weighted array.
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