band pass

简明释义

通带

英英释义

例句

1.The band pass filter allows frequencies between 300 Hz and 3 kHz to pass through.

该带通滤波器允许300 Hz到3 kHz之间的频率通过。

2.The audio engineer applied a band pass filter to isolate the vocals from the instruments.

音频工程师应用了一个带通滤波器，以将人声与乐器隔离开来。

3.The design of the band pass circuit was crucial for the success of the project.

该带通电路的设计对项目的成功至关重要。

4.Using a band pass technique can improve the quality of the received signals in radio communications.

使用带通技术可以提高无线电通信中接收信号的质量。

5.In telecommunications, a band pass amplifier is used to enhance signals within a specific frequency range.

在电信中，带通放大器用于增强特定频率范围内的信号。

作文

In the realm of signal processing, the term band pass refers to a specific type of filter that allows signals within a certain frequency range to pass through while attenuating frequencies outside that range. This concept is crucial in various applications, including audio engineering, telecommunications, and even medical imaging. Understanding the function and importance of band pass filters can significantly enhance our ability to manipulate and improve signal quality.To illustrate the significance of band pass filters, consider their application in audio systems. When you listen to music, different instruments produce sound waves at various frequencies. A band pass filter can be used to isolate specific instruments by allowing only their corresponding frequencies to be amplified while reducing the volume of other sounds. For instance, if you want to highlight the guitar in a song, a band pass filter can be set to allow only the frequencies associated with the guitar to pass through, enhancing your listening experience.Moreover, band pass filters play a pivotal role in telecommunications. In this context, they are used to ensure that signals transmitted over a communication channel do not interfere with one another. By filtering out unwanted frequencies, band pass filters help maintain the integrity of the transmitted data. This is particularly important in mobile communication systems where multiple users share the same frequency spectrum. The use of band pass filters enables clearer voice calls and faster data transmission rates.In addition to audio and telecommunications, band pass filters are also utilized in medical imaging technologies, such as MRI and ultrasound. These technologies rely on capturing specific frequency signals to create images of the human body. By employing a band pass filter, medical professionals can focus on particular frequency ranges that correspond to different tissues or conditions, leading to more accurate diagnoses and better patient outcomes.The design of a band pass filter typically involves selecting the appropriate cutoff frequencies, known as the lower and upper cutoff frequencies. The challenge lies in determining these frequencies to achieve the desired filtering effect. Engineers must consider factors such as the bandwidth of the signal, the desired level of attenuation for unwanted frequencies, and the overall system performance. The quality of a band pass filter can significantly impact the effectiveness of the entire system it is part of.In conclusion, the term band pass encapsulates a fundamental concept in signal processing that has far-reaching implications across various fields. Whether in audio engineering, telecommunications, or medical imaging, band pass filters serve as essential tools for enhancing signal clarity and improving overall performance. As technology continues to advance, the importance of understanding and effectively utilizing band pass filters will undoubtedly grow, making it a critical area of study for engineers and technicians alike.

在信号处理领域，术语带通指的是一种特定类型的滤波器，它允许某个频率范围内的信号通过，同时衰减该范围外的频率。这个概念在音频工程、电信甚至医学成像等各种应用中至关重要。理解带通滤波器的功能和重要性可以显著增强我们操控和改善信号质量的能力。为了说明带通滤波器的重要性，考虑它们在音频系统中的应用。当你听音乐时，不同的乐器在不同的频率下产生声波。带通滤波器可以用来隔离特定的乐器，通过只允许与该乐器相对应的频率被放大，同时降低其他声音的音量。例如，如果你想突出一首歌中的吉他，可以设置带通滤波器，只允许与吉他相关的频率通过，从而增强你的听觉体验。此外，带通滤波器在电信中也扮演着关键角色。在这种情况下，它们用于确保在通信通道上发送的信号不会相互干扰。通过过滤掉不必要的频率，带通滤波器有助于保持传输数据的完整性。这在多个用户共享同一频谱的移动通信系统中尤为重要。使用带通滤波器可以实现更清晰的语音通话和更快的数据传输速率。除了音频和电信，带通滤波器还用于医学成像技术，如MRI和超声。这些技术依赖于捕捉特定频率信号以创建人体图像。通过采用带通滤波器，医疗专业人员可以专注于与不同组织或病症相对应的特定频率范围，从而导致更准确的诊断和更好的患者结果。带通滤波器的设计通常涉及选择适当的截止频率，即下限和上限截止频率。挑战在于确定这些频率，以实现所需的过滤效果。工程师必须考虑信号的带宽、对不必要频率的期望衰减水平以及整个系统的性能。带通滤波器的质量可以显著影响其所处整个系统的有效性。总之，术语带通概括了信号处理中的一个基本概念，该概念在各个领域具有深远的影响。无论是在音频工程、电信还是医学成像中，带通滤波器都是增强信号清晰度和改善整体性能的基本工具。随着技术的不断进步，理解和有效利用带通滤波器的重要性无疑会增加，使其成为工程师和技术人员研究的关键领域。