stop band

简明释义

阻带

英英释义

例句

1.Engineers must consider the stop band when creating communication systems.

工程师在创建通信系统时必须考虑阻带。

2.The width of the stop band affects the overall performance of the filter.

阻带的宽度会影响滤波器的整体性能。

3.In audio processing, the stop band helps in removing noise from the signal.

在音频处理过程中，阻带有助于去除信号中的噪声。

4.The filter's stop band is designed to eliminate unwanted frequencies.

这个滤波器的阻带旨在消除不需要的频率。

5.When designing a low-pass filter, it's crucial to define the stop band accurately.

在设计低通滤波器时，准确定义阻带是至关重要的。

作文

In the field of engineering and physics, the term stop band refers to a specific range of frequencies that are effectively blocked or attenuated by a filter or a material. Understanding the concept of a stop band is crucial for designing various electronic devices, especially those related to signal processing. A stop band is typically defined in contrast to the pass band, which is the range of frequencies that can pass through a filter without significant attenuation.To illustrate the importance of the stop band, consider the example of a radio receiver. When tuning into a specific frequency, the receiver must be able to filter out unwanted signals that fall within the stop band. If the receiver does not have an adequate stop band, it may pick up interference from other stations, leading to poor sound quality and reception.The design of filters that incorporate a stop band often involves complex mathematical calculations and simulations. Engineers use various techniques to create filters, such as passive components like resistors and capacitors, or active components like operational amplifiers. The effectiveness of these filters is measured by their ability to create a sharp and well-defined stop band. A wide or poorly defined stop band can result in undesirable performance, making it essential for engineers to optimize their designs carefully.Another application of the stop band is in optical systems, where certain wavelengths of light are blocked while others are allowed to pass. For instance, in the creation of anti-reflective coatings or optical filters, the stop band plays a vital role in enhancing the performance of lenses and other optical devices. By controlling the stop band, manufacturers can minimize reflections and improve the clarity of images captured through these lenses.Moreover, the concept of a stop band is not limited to traditional electronics and optics. In modern telecommunications, the stop band is a critical factor in the design of communication systems that rely on frequency division multiplexing (FDM). By ensuring that the stop band is properly defined, engineers can prevent overlapping signals and maintain the integrity of each channel in the communication system.In summary, the stop band is a fundamental concept in various fields, particularly in engineering and physics. It represents the range of frequencies that are blocked by a filter, allowing for clearer and more efficient signal processing. Whether in radio receivers, optical systems, or telecommunications, understanding and effectively utilizing the stop band is essential for achieving optimal performance. As technology continues to evolve, the significance of the stop band will only grow, making it an important area of study for future engineers and scientists.

在工程和物理学领域，术语stop band指的是被过滤器或材料有效阻挡或衰减的特定频率范围。理解stop band的概念对于设计各种电子设备至关重要，尤其是与信号处理相关的设备。stop band通常与通带相对定义，通带是指可以在没有显著衰减的情况下通过过滤器的频率范围。为了说明stop band的重要性，可以考虑一个收音机接收器的例子。当调谐到特定频率时，接收器必须能够过滤掉落在stop band内的不必要信号。如果接收器没有足够的stop band，它可能会受到其他电台的干扰，从而导致音质和接收效果不佳。包含stop band的滤波器的设计通常涉及复杂的数学计算和模拟。工程师使用各种技术来创建滤波器，例如被动元件如电阻器和电容器，或主动元件如运算放大器。这些滤波器的有效性通过其创建清晰且定义明确的stop band的能力来衡量。宽或定义不清的stop band可能导致不理想的性能，因此工程师必须仔细优化他们的设计。stop band的另一个应用是在光学系统中，其中某些波长的光被阻挡，而其他波长则被允许通过。例如，在制造防反射涂层或光学滤光片时，stop band在提高透镜和其他光学设备的性能方面发挥着至关重要的作用。通过控制stop band，制造商可以最小化反射，提高通过这些透镜捕获的图像的清晰度。此外，stop band的概念并不限于传统的电子产品和光学设备。在现代电信中，stop band是依赖频分复用（FDM）的通信系统设计中的关键因素。通过确保stop band被正确定义，工程师可以防止信号重叠，并保持通信系统中每个信道的完整性。总之，stop band是各个领域，特别是工程和物理学中的基本概念。它表示被过滤器阻挡的频率范围，从而实现更清晰、更高效的信号处理。无论是在收音机接收器、光学系统还是电信中，理解和有效利用stop band对于实现最佳性能至关重要。随着技术的不断发展，stop band的重要性只会增加，使其成为未来工程师和科学家研究的重要领域。