| 1. | A robust wideband constant - beamwidth beamforming method for acoustic imaging
一种用于声学成像的稳健宽带恒定束宽波束形成方法 |
| 2. | 2 . the time domain wcbb design method based on sub - band decomposition is studied
研究了基于子带划分的时域恒定束宽波束形成器的设计方法。 |
| 3. | The constant beam - width beam - former and wideband doa estimation algorithms are realized in the dsp hardware systems
完成了恒定束宽波束形成以及宽带源方位估计算法在dsp硬件系统中的实现。 |
| 4. | As an example , the time domain low - sidelobe wcbb is designed for a 12 - element arc array . simulation results show the effectiveness of the proposed method
针对阵元具有指向性的圆弧阵，设计了具有低旁瓣特征的时域恒定束宽波束形成器。 |
| 5. | 3 . an improved algorithm directly designing the fir ( finite impulse response - . fir ) filter fan to realize time domain wcbb is presented
提出了通过直接设计fir ( finiteimpulseresponse ： fir )滤波器组来实现时域恒定束宽波束形成器的改进方法。 |
| 6. | Based on multi - beam outputs of a time domain wcbb , a time domain wideband high resolution doa estimation method that can be used for arbitrary array is proposed
基于时域恒定束宽波束形成方法，提出了可应用于任意阵列在时域实现的宽带源高分辨方位估计算法。 |
| 7. | 4 . the effects of array mismatch errors on time domain wcbb based on ideal array model is thoroughly studied via computer simulations and water tank experiments
利用计算机仿真和水池实验，深入分析了阵列模型失配对基于理想阵列模型设计的时域恒定束宽波束形成器性能的影响。 |
| 8. | 6 . the broadband coherent high resolution processing method based on constant beamwidth beamformers and the incoherent high resolution processing method based on subband beamformers are studied
研究了基于恒定束宽波束输出的宽带相干高分辨处理方法和基于子带波束输出的宽带非相干高分辨处理方法。 |
| 9. | In the designing procedure , sidelobe and mainlobe regions are considered separately . by computer simulations , it is shown that the algorithm can give more accurate wcbb designing results with low - order fir filter fan compared to traditional methods
仿真实验表明，与原有方法相比，此方法可以使用较低阶次的fir滤波器实现高精度的时域宽带恒定束宽波束形成器。 |
| 10. | Simulation results show that the weighted orthogonal converting matrix not only has good performance on constant beam - width , but also has the same performance on resolution and estimation as those of common orthogonal converting matrix . 5
并且仿真实验验证了加权正交化恒定束宽波束形成矩阵既具有良好的恒定束宽性能，又具有与一般正交化恒定束宽波束形成矩阵相近的分辨性能和估计性能。 |
