Numerical Computation and Experimental Test of Directivity Pattern of Low Frequency flex-tensional Transducer

低频弯张换能器指向性数值计算及实验测试

属类：行业术语-中文论文标题-

Fibre optic interconnecting devices and passive components-Basic test and measurement procedures-Examinations and measurements-Directivity of fibre optic branching devices

光纤互联装置和无源部件.基本试验和测量步骤.检验和测量.光纤分路器的指向性

属类：行业标准名称-国际标准-BS EN 61300-3-20-2002

Study on the Variations of Acoustic Radiation Power and Directivity of a Damaged Stiffened Panel

含损伤加筋板结构辐射声功率及指向性变异研究

属类：行业术语-中文论文标题-

The Directivity of Acoustic Field Radiated from Ring Piston Source

环状活塞声源辐射声场指向性研究

属类：行业术语-中文论文标题-

Experimental Study on the Directivity of Nonstandard Electric Horn of Locomotive

机车非制式电笛指向性实验研究

属类：行业术语-中文论文标题-

Research on the Directivity of Transducer Array Based on MATLAB

基于MATLAB的换能器阵列指向性分析方法研究

属类：行业术语-中文论文标题-

Calibration of Directivity Errors of Antenna Array Based on Simulated Annealing

基于模拟退火算法校正天线阵列方向性误差

属类：行业术语-中文论文标题-

The Study of Theory of Directivity of Laser-induced Sound Radiating Field in Water

激光致声水中辐射声场的方向性研究

属类：行业术语-中文论文标题-

Study on forward-directivity Velocity Pulse Generated by Strike Slip Fault in Full Space

均匀弹性全空间中走滑断层产生的方向性速度脉冲研究

属类：行业术语-中文论文标题-

Automatic Computer-Controlled Calibration System for Hydrophone Directivity

水中感音器方向性自动化校准之研究

属类：行业术语-中文论文标题-

back-to-back directivity separation of antenna

天线背向防卫度

属类：综合句库-英汉综合-

Design and Directivity Analysis on a Type of Spherical Array

一种半球型自导基阵的设计与方向性分析

属类：行业术语-中文论文标题-

Error Analysis of Radiation Directivity of TE11 Main Mode of Circular Waveguide

圆波导TE11主模辐射方向性系数的误差分析

属类：行业术语-中文论文标题-

Far Field Directivity of built-up Circular Piston Sound Source

组合圆形活塞声源远场指向性理论研究

属类：行业术语-中文论文标题-

DENG Xiao-ping higher education thought has strategic, characteristic and so on directivity , openness and national characteristic.

邓小平高等教育思想具有战略性、方向性、开放性及民族性等特征。

属类：中国大陆-www.ceps.com.tw-

Meanwhile, there was obvious directivity of topographic effects.

地形放大效应存在明显的方向性；

属类：中国大陆-www.ceps.com.tw-

In the long period range, the spectral acceleration of motions with fling step is generally larger than that with forward directivity .

而在长周期段，含滑冲效应地震动的谱加速度大于含破裂向前方向性效应的谱加速度值。

属类：中国大陆-www.ceps.com.tw-

Measurement of directivity on lake for multi-beam high resolution image sonar system

高分辨图像声呐预成多波束的指向性湖上测量方法

属类：中国大陆-ilib.cn-

By the nonlinearity of the propagation medium-air, the audible sound with high directivity can be produced.

利用超声波在空气中传播的非线性交互作用，可以产生高指向性的可听声音。

属类：中国大陆-www.ceps.com.tw-

Simulation of Vertical Directivity of Hydrophone Triplets Towed Line Sonar by the Optimal Array Processing

三元组拖线阵声呐垂直指向性最佳阵处理仿真

属类：中国大陆-service.ilib.cn-

The directivity of emitter by changing the number and relative location of ultrasonic transducers are simulated.

通过改变换能器数目及之间的相对距离，模拟了超声发射阵的空间指向性。

属类：中国大陆-www.ceps.com.tw-

At the same value of frequency and size, the directivity of quadrate ring piston is sharper than that of quadrate piston.

在同一声波频率以及相同尺寸的情况下，方环活塞声源要比方形活塞声源的远场指向性更尖锐。

属类：中国大陆-www.ceps.com.tw-