2) focused beamforming
聚焦波束形成
1.
Error analysis of the underwater imaging method using focused beamforming;
聚焦波束形成声图法误差分析
2.
Radiated noise sources near-field location based on MVDR focused beamforming;
基于MVDR聚焦波束形成的辐射噪声源近场定位方法
3.
A fast nearfield range and bearing focused beamforming algorithm is researched.
研究了一种近场距离/方位聚焦波束形成快速算法,离线计算每个搜索距离处的阵列方向向量,利用方向向量关于方位角的周期性,将方向向量的每个分量用有限项Fourier级数近似,从而搜索距离处的角度谱可以用FFT快速实现,无需在每个距离/方位栅格上计算时延和相位补偿,有效减小了计算量和存储量。
3) focused beam-forming
聚焦波束形成
1.
Measurement of underwater acoustic image positions using a horizontal linear array with focused beam-forming;
水平阵聚焦波束形成声图定位算法研究
2.
A passive ranging method,using focused beam-forming,has a good precision in near field.
介绍了一种近场高精度被动定位方法——聚焦波束形成声图定位。
3.
A passive underwater acoustic image location method using focused beam-forming was introduced to give the distribution of noise sources.
为此介绍了一种聚焦波束形成声图被动定位法,可以给出噪声源位置分布图;并基于此提出了亮点信号提取法,用于分离提取各部位辐射噪声信号;针对强声源信号会对弱声源信号的定位及提取产生影响的问题采用自适应干扰抵消法,抵消强声源信号来改善对弱源的声图定位效果及亮点信号提取效果。
4) Dual focused beamformers
双聚焦波束成形
5) near-field beamforming
近场波束形成
1.
To achieve near-field beamforming and accurate expectations of near-field, using near-field distance and azimuth compensations technique.
采用近场的距离和方位补偿技术实现近场波束形成,准确得到近场期望信号的波束。
6) focusing beamforming
聚焦变换波束形成
补充资料：近场
见声场。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条