| 释义 |
MVDR
基本例句
最小方差无失真响应¹⁰⁰
To improve the robustness of the Minimum Variance Distortionless Response beamforming to the array steering vector, a quadratic constraint method is proposed.提出了一种基于阵列指向性二次型约束的优化算法，以提高最小方差无畸变响应MVDR波束形成对方向矢量的稳健性。
Therefore hydrophone output contains random perturbations both in amplitude and phase, which affect the beam pattern and array gain inMVDRbased beamforming.在作MVDR自适应波束形成时，该随机误差的存在将影响到基阵的阵增益，降低检测能力。
Comparing the results between common beam forming andMVDRmethod, it showsMVDRmethod has higher resolution and can identify the corn plex noise distribution of the moving heavy duty vehicle.对重型商用车声源识别结果说明，利用最小方差无畸变响应估计能较常规波束成形更好地识别出噪声源。
Research result state as following.1.Introducing basic method of arbitrary array beam forming include delay and sum beam forming and minimum variance distortionless response beam forming.本文的主要研究内容包括：1．从声纳基阵输出的数学模型入手，介绍了任意阵型波束形成的一些基本方法，包括常规波束形成和MVDR波束形成。 |