| 释义 |
di·rec·tiv·i·ty 英direk'tiviti美direk'tiviti BNC²³⁶²¹³⁺¹
基本英英搭配记法近义反义例句例句
n.方向性¹⁰⁰
Noun:
the property of a microphone or antenna of being more sensitive in one direction than in another;the antenna received signals with no directivity the quality of being directivetransducer directivity换能器指向性…microphone directivity传声器指向性…directivity separation分方向的隔离…directivity characteristic方向特性曲线…transmitting directivity发射方向性directivity pattern指向性图案,方向性图…controlled directivity天线的受控方向性…directivity gain指向性因数directivity diagram方向性图,方向图…directivity index定向指数binaural directivity双耳指向性directivity factor指向性因数antenna directivity天线方向性directivity function定向性函数vertical directivity竖直方向性sharp directivity锐方向性directivity graph方向特性图receiving directivity接收方向性directivity signal方向性信号
di-分|散开rect-正|直-ivity⇒n.方向性近义词 directionality方向性directiveness趋向或趋势的确定…
名词100%
用作名词The antenna received signals with nodirectivity.那种天线可接受没有方向性的信号。 Detailed design of the vector hydrophone is described and the experimentally measured sensitivity and directivity characteristics are given.
叙述了该矢量水听器的设计方法，给出了相应的灵敏度和指向性测试结果。 cnki
The eXpression of directivity of far field and near field was derived.
推导出了此类换能器的远场指向性和近场声压的表达式。 cnki
The rupture directivity effect is due to rupture propagation and radiation pattern effects.
破裂方向效应是由破裂传播和辐射图效应引起的。 cnki
The directivity of in array excited by weighted Walsh current has also been calculated.
最后计算用沃尔什电流加权激励的天线阶的方向性。 cnki
Based on the theory of acoustics, this paper analyzes the character of geometrical spreading loss of finite line sound source on three types of directivity- monopole, intermediate pole and dipole.
根据基本声学理论，分析具有单极子、中间和偶极子三种指向性的有限长线声源的几何发散损失特性。 cnki
How to get the desired frequency response and directivity pattern?
如何得到需要的频率响应与指向性图案？ http://acoustics.nju.edu.cn
Its directivity is hardly noticeable due to the closeness of the sources.
这种方向性由于电源密封式是很难显而易见。 xinheaudio
Millimeter-wave dielectric lens antenna is a kind of aperture antenna with high directivity.
毫米波介质透镜天线是一种高方向性的口径天线。 cnki
No obvious directivity occurs in the songs of black cicada.
黑蝉鸣声的波形结构无明显的方向性。 cnki
The course evaluation of ideological cultivation should obey the Principles of directivity, development, and integration.
思想品德课程评价要坚持方向性原则、发展性原则、整体性原则。 dictall
The antenna received signals with no directivity.
那种天线可接受没有方向性的信号。 nciku
When designing a loudspeaker it is essential to perform free-space measurements to see the effects of driver directivity and baffle shape on the important polar response.
当设计一个扬声器时，进行自由场测量以观察喇叭的指向性和障板形状对于极性响应的影响是非常重要的。 hifidiy
With the rapid development of modern science and technology, laser is applied broadly than ever for the advantages of high directivity, high frequency, high energy and high coherence.
随着现代科学技术的迅速发展，激光以其高方向性、高频率、高能量和高相干性等优点得到更加广泛的应用。 cnki |