directivity

简明释义

英[dɪrekˈtɪvɪti]美[dɪrekˈtɪvəti]

n. [电讯] 指向性；方向性

英英释义

单词用法

同义词

反义词

例句

1.This paper proposes a general model of sound scattering and directivity pattern for a vector sensor located on a complicated reflecting boundary.

利用边界元方法，在不规则障板边界条件下，对矢量传感器的散射声场进行了计算，得出了传感器的指向性图。

2.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。

3.The results for element input impedance, radiation efficiency of space wave, directivity and radiation pattern are presented.

其结果包括阵列单元的输入阻抗、空间波辐射效率、方向性系数和辐射方向图等。

4.In order to improve the directivity of the transducer, we have employed two complementary piezoelectric elements in the construction.

同时在结构上加以改进，利用两片压电片在结构上互补，改善了传感器的方向性。

5.Why is it necessary to explain the directivity of thoughts and provide clues?

为什么让别人感受到，为什么会有自我的思维指向和线索？

6.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。

7.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。

8.The receptive array with directivity in the vertical plane has weight effect on the incident wave.

具有垂直方向指向性的接收基阵对入射声波有方向加权效应。

9.The antenna's directivity 指向性 allows it to focus signals in a specific direction.

该天线的directivity 指向性使其能够将信号集中在特定方向。

10.In audio engineering, the directivity 指向性 of microphones is crucial for capturing sound accurately.

在音频工程中，麦克风的directivity 指向性对准确捕捉声音至关重要。

11.Higher directivity 指向性 in speakers can lead to better sound quality in large venues.

扬声器的较高directivity 指向性可以在大型场馆中提供更好的音质。

12.The directivity 指向性 of a laser beam makes it ideal for precise cutting applications.

激光束的directivity 指向性使其非常适合精确切割应用。

13.Understanding the directivity 指向性 of different sensors can improve data collection methods.

理解不同传感器的directivity 指向性可以改善数据收集方法。

作文

In the world of acoustics and sound engineering, the concept of directivity (指向性) plays a crucial role in how we perceive sound. It refers to the ability of a sound source to focus its energy in a specific direction rather than dispersing it uniformly in all directions. This characteristic is essential when designing audio equipment, such as microphones and loudspeakers, as it influences both the quality of the sound produced and the listener's experience. When we consider a typical loudspeaker, its directivity (指向性) can determine how well it fills a room with sound. A speaker with high directivity (指向性) will project sound in a narrow beam, making it ideal for large spaces where you want to direct sound towards a specific area, such as a concert hall or an auditorium. Conversely, a speaker with low directivity (指向性) will emit sound more evenly across a wider area, which is beneficial for smaller rooms or outdoor settings where sound needs to reach all corners. Understanding directivity (指向性) is also vital for sound engineers who are tasked with creating immersive audio experiences. For instance, in a movie theater, the placement of speakers and their directivity (指向性) can significantly affect how sound is perceived by the audience. By strategically positioning speakers with varying directivity (指向性), sound engineers can create a three-dimensional audio environment that enhances the storytelling experience. Moreover, the directivity (指向性) of sound sources is not only influenced by the design of the equipment but also by the acoustics of the environment. Factors such as room shape, materials, and furniture can all impact how sound waves travel and interact. For example, hard surfaces may reflect sound, increasing the effective directivity (指向性) of certain frequencies, while soft furnishings may absorb sound, reducing directivity (指向性). This interplay highlights the importance of considering both the technology and the environment when working with sound. In addition to its applications in music and entertainment, directivity (指向性) also has implications in fields like telecommunications and sonar technology. In telecommunications, antennas are designed with specific directivity (指向性) patterns to optimize signal strength and quality. Similarly, sonar systems utilize directivity (指向性) to pinpoint underwater objects by focusing sound waves in particular directions. The study of directivity (指向性) extends beyond practical applications; it also opens up avenues for research in psychoacoustics, which examines how humans perceive sound. By understanding how directivity (指向性) affects sound localization, researchers can develop better hearing aids and sound systems that cater to individuals with hearing impairments. In conclusion, directivity (指向性) is a fundamental concept in the realm of sound that impacts various industries and applications. From enhancing the auditory experience in theaters to optimizing communication technologies, the significance of directivity (指向性) cannot be overstated. As technology continues to evolve, our understanding and application of directivity (指向性) will undoubtedly play a pivotal role in shaping the future of sound and audio experiences.

在声学和声音工程的世界中，概念directivity（指向性）在我们感知声音的方式中起着至关重要的作用。它指的是声音源将其能量集中在特定方向的能力，而不是均匀地向所有方向扩散。这一特性在设计音频设备（如麦克风和扬声器）时至关重要，因为它影响着所产生声音的质量以及听众的体验。 当我们考虑典型的扬声器时，其directivity（指向性）可以决定它在多大程度上充满一个房间的声音。具有高directivity（指向性）的扬声器会在狭窄的光束中投射声音，非常适合大型空间，在那里您希望将声音定向到特定区域，例如音乐厅或礼堂。相反，具有低directivity（指向性）的扬声器将更均匀地在更广泛的区域发出声音，这对于小房间或户外环境非常有利，因为声音需要达到所有角落。 理解directivity（指向性）对于负责创造沉浸式音频体验的声音工程师也至关重要。例如，在电影院中，扬声器的放置及其directivity（指向性）可以显著影响观众对声音的感知。通过战略性地摆放具有不同directivity（指向性）的扬声器，声音工程师可以创造出增强叙事体验的三维音频环境。 此外，声音源的directivity（指向性）不仅受设备设计的影响，还受环境声学的影响。房间形状、材料和家具等因素都可能影响声波的传播和相互作用。例如，坚硬的表面可能会反射声音，从而增加某些频率的有效directivity（指向性），而软装饰可能会吸收声音，降低directivity（指向性）。这种相互作用突显了在处理声音时考虑技术和环境的重要性。 除了在音乐和娱乐中的应用外，directivity（指向性）在电信和声纳技术等领域也具有重要意义。在电信中，天线被设计为具有特定的directivity（指向性）模式，以优化信号强度和质量。类似地，声纳系统利用directivity（指向性）通过集中声波在特定方向上来定位水下物体。 对directivity（指向性）的研究不仅限于实际应用；它还为心理声学研究打开了新途径，心理声学研究人类如何感知声音。通过理解directivity（指向性）如何影响声音定位，研究人员可以开发出更好的助听器和音响系统，以满足听力障碍者的需求。 总之，directivity（指向性）是声音领域的一个基本概念，它影响着各个行业和应用。从增强电影院的听觉体验到优化通信技术，directivity（指向性）的重要性不容小觑。随着技术的不断发展，我们对directivity（指向性）的理解和应用无疑将在塑造声音和音频体验的未来中发挥关键作用。