band pass width

简明释义

通过频带

英英释义

Band pass width refers to the range of frequencies that a band pass filter allows to pass through, defined by the difference between the upper and lower cutoff frequencies.

带通宽度是指带通滤波器允许通过的频率范围,由上下截止频率之间的差值定义。

例句

1.The radio receiver has a band pass width of 20 MHz, which allows it to filter out unwanted signals.

这个无线电接收器的带通宽度为20 MHz,这使它能够过滤掉不需要的信号。

2.The band pass width of the filter can significantly affect the quality of the audio output.

滤波器的带通宽度会显著影响音频输出的质量。

3.When designing a communication system, the band pass width must be carefully calculated to avoid interference.

在设计通信系统时,必须仔细计算带通宽度以避免干扰。

4.To improve the performance of the amplifier, we need to adjust the band pass width to better match the input signal.

为了提高放大器的性能,我们需要调整带通宽度以更好地匹配输入信号。

5.In optical systems, the band pass width determines the range of wavelengths that can be transmitted.

在光学系统中,带通宽度决定了可以传输的波长范围。

作文

In the field of signal processing and telecommunications, the term band pass width refers to the range of frequencies that a particular filter allows to pass through. It is an essential concept for engineers and technicians who design and implement systems that rely on specific frequency ranges for optimal performance. Understanding the band pass width is crucial for ensuring that signals are transmitted clearly without interference from unwanted frequencies. A band pass filter is designed to allow signals within a certain frequency range to pass while attenuating signals outside that range. The band pass width, therefore, defines the limits of this frequency range. For instance, if a filter has a band pass width of 100 Hz, it means that it will allow frequencies within that range to pass through while blocking those that fall below or above it. This is particularly important in applications such as audio processing, where different instruments produce sound at different frequencies. Moreover, the band pass width can significantly affect the quality of the output signal. A narrow band pass width may result in a cleaner signal with less noise, but it could also mean that some desirable frequencies are filtered out. Conversely, a wider band pass width may allow more frequencies to pass, but it could also introduce more noise and distortion. Therefore, selecting the appropriate band pass width is a critical decision that must be made based on the specific requirements of the application.In practical applications, the band pass width is often determined by the characteristics of the signal being processed. For example, in radio communications, different channels are assigned specific band pass widths to minimize interference between channels. This careful allocation helps ensure that each channel can operate effectively without disrupting others. Similarly, in medical imaging technologies like MRI, the band pass width plays a vital role in obtaining clear images by filtering out irrelevant frequencies that could obscure the results.Furthermore, advancements in technology have led to the development of sophisticated filters that can dynamically adjust their band pass width according to the signals they encounter. These adaptive filters are particularly useful in environments where signal conditions change rapidly, such as in mobile communications or during live sound reinforcement. By adjusting the band pass width in real-time, these filters can enhance the clarity and quality of the transmitted signals.In conclusion, the concept of band pass width is fundamental in various fields, particularly in signal processing and telecommunications. It defines the frequency range that a filter allows to pass and plays a crucial role in determining the quality of the output signal. Understanding how to select and adjust the band pass width is essential for engineers and technicians aiming to optimize the performance of their systems. As technology continues to evolve, the importance of managing the band pass width effectively will only increase, making it a key area of focus for professionals in the field.

在信号处理和电信领域,术语带通宽度指的是特定滤波器允许通过的频率范围。这是工程师和技术人员设计和实施依赖于特定频率范围以实现最佳性能的系统时的一个重要概念。理解带通宽度对于确保信号清晰传输而不受不必要频率干扰至关重要。带通滤波器旨在允许特定频率范围内的信号通过,同时衰减该范围之外的信号。因此,带通宽度定义了这个频率范围的限制。例如,如果一个滤波器的带通宽度为100 Hz,这意味着它将允许该范围内的频率通过,而阻止低于或高于该范围的频率。这在音频处理等应用中尤为重要,因为不同的乐器在不同的频率下产生声音。此外,带通宽度对输出信号的质量有显著影响。较窄的带通宽度可能会导致信号更清晰、噪声更少,但也可能意味着一些可取的频率被过滤掉。相反,较宽的带通宽度可能允许更多频率通过,但也可能引入更多的噪声和失真。因此,选择合适的带通宽度是基于具体应用需求必须做出的关键决策。在实际应用中,带通宽度通常由被处理信号的特性决定。例如,在无线通信中,不同频道被分配特定的带通宽度以最小化频道之间的干扰。这种精心分配有助于确保每个频道能够有效运作而不干扰其他频道。同样,在医学影像技术如MRI中,带通宽度在通过过滤掉可能模糊结果的无关频率来获得清晰图像方面发挥着至关重要的作用。此外,技术的进步导致了动态调整其带通宽度的复杂滤波器的发展。这些自适应滤波器在信号条件快速变化的环境中尤其有用,例如在移动通信或现场声音增强中。通过实时调整带通宽度,这些滤波器可以增强传输信号的清晰度和质量。总之,带通宽度的概念在多个领域中都是基础,特别是在信号处理和电信中。它定义了一个滤波器允许通过的频率范围,并在确定输出信号的质量方面发挥着关键作用。理解如何选择和调整带通宽度对于旨在优化系统性能的工程师和技术人员至关重要。随着技术的不断发展,有效管理带通宽度的重要性只会增加,使其成为该领域专业人士关注的关键领域。

相关单词

width

width详解:怎么读、什么意思、用法