Limited diffraction beams have a large depth of field and thus have many applications such as medical imaging、tissue characterization、material flaw detection and blood flow detection by Doppler method.
和传统的高斯聚焦声束相比，有限衍射声束具有较大的声场深度，可以用于医学成像、组织定征、材料的无损检测、多普勒血流检测等许多领域。
Reflection of acoustic beam on the surface of solid plate;
有限声束在固体板表面的声反射
Some Problems on the Propagation of Finite-Sized Beams;
有限波束传输特性的若干问题的研究
Calculation of the Transverse Modes of Waveguide by Using the Beam Propagation Method;
用有限差分光束传播法计算光波导横模
Beamforming Based on Limited Feedback in Multiple-Antenna Systems
多天线系统中基于有限反馈的波束成形研究
Research on Wide Beam and Low Sidelobe of Finite Biconical Antenna
有限长双锥天线的宽波束与低副瓣研究
Limited Feedback Approach in Beamforming System over Temporally-correlated Channels
时间相干信道下波束赋形系统的有限反馈方法
Adaptive Codebook Selection Algorithm for Limited Feedback MIMO Beamforming System
有限反馈MIMO波束成形系统自适应码本选择算法
Throughput-Maximizing Limited Feedback for Transmit Beamforming in MISO-OFDM Systems
有限反馈MISO-OFDM系统中最大化容量的波束成形
BER Based Transmit Beamforming for MISO-OFDM with Limited Feedback
有限反馈MISO-OFDM系统中基于误码率的波束成形
Simulation of Cooperative Beamforming with Limited Feedback
有限反馈下协作波束形成系统的性能仿真研究
The beacon will have a limited beamwidth and if the body-to-beam angle exceeds this a serious loss of signal will result.
这个信标器的波束宽度有限，如果弹体波束角超过了它，信号就会发生严重的衰减。
A Robust Beamforming Method in the Situation of Sample Pollution and Limited Snapshots
一种样本污染且快拍数有限情况下的稳健的波束形成方法
Analysis of Wide-Angle Crossed Waveguide by Wide-Angle Finite-Difference Beam Propagation Method Based on the Douglas Scheme
基于道格拉斯格式的宽角有限差分光束传播法分析大角度交叉波导
In these equations, the compression wave propagation and the transverse inertia effect were taken into consideration.
通过引入圆柱壳动力失稳时的波前约束条件实现了此类问题的有限元特征值解法。
finite element wave equation migration
有限元波动方程偏移
finite impulse response filter
有限冲击响应滤波器
Ampol Exploration Ltd.
安波尔勘探有限公司
Ningbo Sangtai Clothing Working Co.,Ltd.
宁波桑泰制衣有限公司
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宁波奥尔登有限公司