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- horizontal directivity pattern 水平面方向性图
- I am so ashamed of confusing the two concept:directivity pattern and directivity coefficient. I感到很混淆这两个概念:指向模式和方向性系数惭愧。
- Harmonious development between vertical and horizontal directions? 纵展横拓协调发展
- The study manifested the uncoupled pattern of the peak stresses in vertical and horizontal directions, as well as the stress evolution trace varying with pillar width. 揭示了煤体边缘水平应力和垂直应力峰值不耦合的规律以及巷道顶板应力峰值随煤柱宽度不同而演化的轨迹。
- The results indicate that the electrolyte flow induced by electromagnetic force produces a large eddy pattern predominately in the horizontal direction. 研究结果表明,电磁力作用时,电解质以水平运动为主,半槽的电解质流场基本上呈现一个大涡的结构;
- This paper analyses the pattern function of DBF in subarray. The designing method for directivity pattern is given and the condition of producing the grating lobe is discussed. 详细分析了由子阵构成的DBF的方向性函数特性 ,给出了方向图的设计方法 ,并讨论了其栅瓣产生的条件。
- This paper analyses the pattern function of DBF in subarray.The designing method for directivity pattern is given and the condition of producing the grating lobe is discussed. 详细分析了由子阵构成的DBF的方向性函数特性,给出了方向图的设计方法,并讨论了其栅瓣产生的条件。
- The directivity pattern of the sound field can be changed by adjusting the number of axial stiffeners when the axially driving force is exerted on one of the stiffeners. 当径向激励力作用在纵肋上时适当调整均布纵肋的数目可以改变平底圆柱壳辐射声场的指向性。
- Gets or sets the horizontal direction that content flows within the control. 获取或设置内容在控件中流动的水平方向。
- Third, multi-duty direction pattern microminiaturized attitude control module. 三是多任务指向模式的微型化姿控模块。
- A design sample must show both the vertical and horizontal directions as well as the position of the selvedge. 花样必须明确经纬方向及布边方位。
- The water mist sprayer can be installed in either horizontal direction or downwards direction, depending on the practical situation. 该水雾喷头根据需要可以水平方向安装,也可下垂方向安装。
- Meanwhile an isochronal horizon may gradually change from peak to trough of a waveform in horizontal direction. 同相轴分叉时,只有分析清楚分叉的原因,才能得到小层等时追踪;
- The poor design of the enclosures could cause the irregularity in frequency responses and directivity patterns. 不良的设计会导致频率响应不平缓,且频响随空间角度出现较大变化。
- Isotropic component of noise are presented in the horizontal direction of sea surface. 在与海面的水平方向上,噪声场表现为各向同性。
- Anisotropic degree of horizontal direction and vertical direction in the sea surface noise field are discussed. 论证了海面噪声场垂直与水平方向噪声的各向异性程度。
- In this paper, a closed chamber technique for measuring the complex free field sensitivity and directivity patterns of line array is described. 本文提出了一种在密闭管中测量线阵的自由场复数灵敏度和指向性图的方法。
- The XZ160/280 horizontal direction detection drilling machine structure is compact, the outward appe... 发布者:杨志坚所在地:广东广州市行业:机械及行业设备职位:经理工作年限:十年以上
- It cannot allow the link to translate on the horizontal direction, thus enabling the link to do reciprocating motion. 不能让杆子的中心点左右移动,才能做往复运动。
- When the diffractive efficiency of the holograms in a VHM is not uniform enough and the SNR of the retrieved images is very low, the precision of direct pattern recognition will be very low. 当全息图的衍射效率极为不均匀,再现图像的信噪比极差时,直接识别的识别准确率极低。