directivity diagram

简明释义

方向性图

英英释义

A directivity diagram is a graphical representation that illustrates how the sensitivity of a device, such as a microphone or antenna, varies with direction in space.

指向性图是一个图形表示,展示了设备(如麦克风或天线)在空间中对不同方向的灵敏度变化。

例句

1.The audio engineer analyzed the directivity diagram to optimize the speaker placement in the concert hall.

音频工程师分析了指向性图以优化音乐厅中的扬声器位置。

2.The directivity diagram helps in determining how sound propagates in different environments.

指向性图有助于确定声音在不同环境中的传播方式。

3.During the meeting, the technician presented a directivity diagram to explain the performance of the new antenna.

在会议中,技术人员展示了一张指向性图来解释新天线的性能。

4.The directivity diagram showed that the array of microphones had a narrow pickup pattern.

指向性图显示麦克风阵列具有狭窄的拾音模式。

5.Understanding the directivity diagram of a microphone is crucial for capturing sound accurately.

理解麦克风的指向性图对于准确捕捉声音至关重要。

作文

In the field of acoustics and audio engineering, understanding the concept of a directivity diagram is crucial for optimizing sound performance in various environments. A directivity diagram is a graphical representation that illustrates how a microphone or speaker responds to sound from different directions. This diagram helps engineers and designers to visualize the directional characteristics of sound capture or emission.The importance of a directivity diagram lies in its ability to inform choices about equipment placement and design. For instance, in a concert hall, the goal is often to ensure that sound reaches the audience evenly. By analyzing the directivity diagram of the speakers being used, one can determine how to position them to maximize sound coverage and minimize unwanted reflections.Different types of microphones have distinct directivity diagrams. A cardioid microphone, for example, has a heart-shaped pattern that picks up sound primarily from the front while rejecting noise from the sides and rear. This characteristic is particularly useful in live performances where background noise can interfere with the clarity of the vocals or instruments. Understanding this aspect through the directivity diagram enables sound engineers to select the right microphone for the job, ensuring optimal audio quality.Moreover, the directivity diagram is not limited to microphones and speakers; it also applies to other devices such as antennas in telecommunications. In this context, the directivity diagram indicates how well an antenna transmits or receives signals from various angles. A highly directional antenna will have a focused directivity diagram, allowing it to communicate effectively over long distances while minimizing interference from other sources.In practical applications, creating a directivity diagram involves extensive measurements and calculations. Engineers use specialized software to simulate sound fields and generate these diagrams based on the physical properties of the devices involved. The resulting data can then be used to make informed decisions about equipment configuration and environmental adjustments.Furthermore, the directivity diagram can also play a significant role in architectural acoustics. When designing spaces such as theaters or lecture halls, architects and acousticians must consider the directivity diagram of both the sound sources and the surfaces within the space. By doing so, they can predict how sound will behave in the environment, ensuring that it is distributed evenly across the audience area.In conclusion, the directivity diagram is a fundamental tool in the realms of audio engineering, telecommunications, and architectural design. Its ability to visually represent the directionality of sound and signal reception allows professionals to make strategic decisions that enhance audio quality and communication effectiveness. As technology continues to evolve, the significance of the directivity diagram will only grow, paving the way for innovations in sound design and engineering practices.

在声学和音频工程领域,理解“directivity diagram”的概念对于优化各种环境中的声音表现至关重要。“directivity diagram”是一个图形表示,展示了麦克风或扬声器如何响应来自不同方向的声音。这个图表帮助工程师和设计师可视化声音捕捉或发射的方向特性。“directivity diagram”的重要性在于它能够为设备放置和设计提供信息。例如,在音乐会大厅中,目标通常是确保声音均匀地到达观众。通过分析所使用扬声器的“directivity diagram”,人们可以确定如何定位它们,以最大限度地提高声音覆盖率并减少不必要的反射。不同类型的麦克风具有不同的“directivity diagrams”。例如,心形拾音麦克风具有心形图案,主要从前方拾取声音,同时拒绝来自侧面和后面的噪音。这种特性在现场表演中尤为有用,因为背景噪音可能会干扰人声或乐器的清晰度。通过“directivity diagram”了解这一方面,使声音工程师能够选择合适的麦克风,从而确保最佳音频质量。此外,“directivity diagram”不仅限于麦克风和扬声器;它还适用于其他设备,如电信中的天线。在这种情况下,“directivity diagram”指示天线从不同角度传输或接收信号的效果。高度定向的天线将具有集中的“directivity diagram”,使其能够在长距离内有效通信,同时最小化来自其他源的干扰。在实际应用中,创建“directivity diagram”涉及大量测量和计算。工程师使用专门的软件模拟声场,并根据相关设备的物理特性生成这些图表。然后,可以使用结果数据做出关于设备配置和环境调整的明智决策。此外,“directivity diagram”在建筑声学中也可以发挥重要作用。当设计剧院或讲堂等空间时,建筑师和声学专家必须考虑声音源和空间内表面的“directivity diagram”。这样,他们可以预测声音在环境中的行为,确保声音均匀分布在观众区域。总之,“directivity diagram”是音频工程、电信和建筑设计领域的基本工具。它能够可视化声音和信号接收的方向性,使专业人士能够做出战略决策,从而增强音频质量和通信效果。随着技术的不断发展,“directivity diagram”的重要性只会增加,为声音设计和工程实践的创新铺平道路。

相关单词

directivity

directivity详解:怎么读、什么意思、用法