pass band

简明释义

通带

英英释义

例句

1.Engineers must carefully select the pass band 通带 to avoid unwanted noise interference.

工程师必须仔细选择pass band 通带以避免不必要的噪声干扰。

2.The audio filter is designed to allow frequencies within the pass band 通带 while attenuating those outside it.

这个音频滤波器旨在允许频率在pass band 通带内，同时衰减外部频率。

3.Adjusting the pass band 通带 of a filter can help improve the quality of the received signal.

调整滤波器的pass band 通带可以帮助改善接收信号的质量。

4.The pass band 通带 of this equalizer allows you to boost specific frequency ranges.

这个均衡器的pass band 通带允许您提升特定的频率范围。

5.In telecommunications, the pass band 通带 is crucial for ensuring signal clarity.

在电信中，pass band 通带 对于确保信号清晰度至关重要。

作文

In the realm of electronics and signal processing, the term pass band refers to a specific range of frequencies that can pass through a filter without being attenuated. It is crucial in various applications, including telecommunications, audio processing, and radio broadcasting. Understanding the concept of pass band is essential for engineers and technicians who design systems that rely on the manipulation of signals. The pass band is defined by its lower and upper cutoff frequencies. Frequencies below the lower cutoff are attenuated, while those above the upper cutoff are also reduced in amplitude. Only the frequencies within this designated range are allowed to pass through with minimal loss. For instance, in audio processing, a typical pass band might be set between 20 Hz and 20 kHz, which encompasses the full range of human hearing. This allows audio signals to be transmitted clearly without distortion or loss of quality.Filters can be categorized based on their pass band characteristics. Low-pass filters allow frequencies below a certain threshold to pass, while high-pass filters do the opposite, permitting only higher frequencies. Band-pass filters, as the name suggests, allow a specific band of frequencies to pass through, effectively blocking both lower and higher frequencies. Understanding these types of filters is vital for anyone involved in sound engineering or communications technology.The design of a pass band filter involves careful consideration of the desired frequency range and the specific application it will serve. For example, in a wireless communication system, a narrow pass band may be required to minimize interference from other signals, while in audio applications, a broader pass band might be beneficial to capture more nuances in sound. The trade-off between bandwidth and signal integrity is a critical factor that engineers must navigate when designing these systems.Moreover, the concept of pass band extends beyond just filters. In optical systems, for instance, a pass band can refer to the wavelengths of light that can be transmitted through a lens or an optical fiber. This is particularly important in applications such as fiber optic communications where specific wavelengths are used to transmit data over long distances with minimal loss.In summary, the pass band is a fundamental concept in the fields of electronics and signal processing. It defines the range of frequencies that can be transmitted through a filter and plays a crucial role in the design and functionality of various systems. Whether in audio engineering, telecommunications, or optical technologies, a solid understanding of the pass band allows professionals to create effective and efficient solutions that meet the demands of modern technology. As these fields continue to evolve, the importance of mastering the concept of pass band will only grow, making it a key area of focus for future innovations and developments.

在电子和信号处理领域，术语pass band指的是可以通过滤波器而不被衰减的特定频率范围。它在各种应用中至关重要，包括电信、音频处理和广播。理解pass band的概念对设计依赖于信号操作的系统的工程师和技术人员而言是必不可少的。pass band由其下限和上限截止频率定义。低于下限截止频率的频率会被衰减，而高于上限截止频率的频率也会在幅度上减少。只有在这个指定范围内的频率才能以最小的损失通过。例如，在音频处理中，典型的pass band可能设定在20 Hz到20 kHz之间，这涵盖了人类听觉的全范围。这使得音频信号能够清晰地传输而不会失真或丧失质量。滤波器可以根据其pass band特性进行分类。低通滤波器允许低于某个阈值的频率通过，而高通滤波器则相反，仅允许较高频率通过。带通滤波器，顾名思义，允许特定频段的频率通过，有效阻止低频和高频信号。理解这些类型的滤波器对于任何参与声音工程或通信技术的人来说都是至关重要的。pass band滤波器的设计涉及对所需频率范围和其将服务的具体应用的仔细考虑。例如，在无线通信系统中，可能需要一个狭窄的pass band以最小化来自其他信号的干扰，而在音频应用中，较宽的pass band可能有助于捕捉声音中的更多细微差别。带宽与信号完整性之间的权衡是工程师在设计这些系统时必须考虑的重要因素。此外，pass band的概念不仅限于滤波器。在光学系统中，例如，pass band可以指透镜或光纤中可以传输的光波长。这在光纤通信等应用中尤其重要，因为特定波长用于在长距离内以最小损失传输数据。总之，pass band是电子和信号处理领域的一个基本概念。它定义了可以通过滤波器传输的频率范围，并在各种系统的设计和功能中发挥着至关重要的作用。无论是在音频工程、电信还是光学技术中，深入理解pass band使专业人士能够创造出有效且高效的解决方案，以满足现代技术的需求。随着这些领域的不断发展，掌握pass band的概念的重要性将只会增加，使其成为未来创新和发展的关键关注领域。