filter passband

简明释义

滤波器通带;

英英释义

例句

1.The filter passband determines which frequencies will be allowed through in a circuit design.

在电路设计中，滤波器通带决定了哪些频率将被允许通过。

2.The audio engineer adjusted the settings to optimize the filter passband for clearer sound reproduction.

音频工程师调整设置以优化滤波器通带，以获得更清晰的声音再现。

3.To eliminate noise, the technician modified the filter passband of the device.

为了消除噪音，技术人员修改了设备的滤波器通带。

4.By narrowing the filter passband, we can reduce interference from unwanted signals.

通过缩小滤波器通带，我们可以减少来自不必要信号的干扰。

5.In telecommunications, understanding the filter passband is crucial for maintaining signal integrity.

在电信中，理解滤波器通带对于保持信号完整性至关重要。

作文

In the field of electronics and signal processing, the term filter passband refers to the range of frequencies that a filter allows to pass through with minimal attenuation. Understanding the concept of filter passband is crucial for engineers and technicians who design and implement various filtering systems. Filters are essential components in many electronic devices, including radios, televisions, and audio equipment, where they help to isolate specific frequency ranges and improve signal quality.When designing a filter, one of the primary considerations is its filter passband. The filter passband defines the frequencies that the filter will permit, while the stopband includes those frequencies that the filter will attenuate significantly. For example, in a low-pass filter, the filter passband might include all frequencies below a certain cutoff frequency, while frequencies above this threshold will be attenuated. Conversely, in a high-pass filter, the filter passband consists of frequencies above the cutoff point.The width of the filter passband is another important aspect to consider. A wider filter passband allows more frequencies to pass through, which can be beneficial in applications where a broad range of frequencies is needed. However, this can also lead to unwanted noise and interference from other signals. On the other hand, a narrower filter passband can provide cleaner signals but may eliminate some desired frequencies, leading to potential loss of information.Moreover, the shape of the filter passband can vary depending on the type of filter used. For instance, Butterworth filters have a maximally flat filter passband, meaning there are no ripples in the passband response. This characteristic makes them ideal for applications where a smooth response is required. In contrast, Chebyshev filters allow for ripples in the passband, which can result in a steeper roll-off at the cutoff frequency, making them suitable for applications where a sharper transition between passband and stopband is necessary.In practical applications, understanding the filter passband is vital for optimizing performance. For instance, in audio processing, engineers must carefully select the filter passband to ensure that the desired audio frequencies are preserved while eliminating noise and distortion. This careful balancing act is essential for achieving high-quality sound reproduction.In conclusion, the concept of filter passband plays a significant role in the design and functionality of filters in electronic systems. By grasping the importance of the filter passband, engineers can create filters that meet specific requirements for various applications, ensuring optimal performance and signal integrity. As technology continues to evolve, the understanding of filter passband will remain a fundamental aspect of signal processing in the ever-changing landscape of electronics.

在电子和信号处理领域，术语filter passband指的是过滤器允许以最小衰减通过的频率范围。理解filter passband的概念对于设计和实施各种过滤系统的工程师和技术人员至关重要。过滤器是许多电子设备中的基本组件，包括收音机、电视和音频设备，它们帮助隔离特定频率范围并改善信号质量。在设计过滤器时，主要考虑因素之一是其filter passband。filter passband定义了过滤器将允许的频率，而阻带则包括过滤器将显著衰减的频率。例如，在低通滤波器中，filter passband可能包括所有低于某个截止频率的频率，而高于该阈值的频率将被衰减。相反，在高通滤波器中，filter passband由截止点以上的频率组成。filter passband的宽度是另一个需要考虑的重要方面。较宽的filter passband允许更多的频率通过，这在需要宽频范围的应用中可能是有利的。然而，这也可能导致来自其他信号的不必要噪声和干扰。另一方面，较窄的filter passband可以提供更清晰的信号，但可能会消除一些所需的频率，从而导致潜在的信息丢失。此外，filter passband的形状可能因使用的过滤器类型而异。例如，巴特沃斯滤波器具有最大平坦的filter passband，这意味着在通带响应中没有波纹。这一特性使它们非常适合需要平滑响应的应用。相反，切比雪夫滤波器允许通带中出现波纹，这可以导致截止频率处的陡峭滚降，使它们适用于需要在通带和阻带之间实现更快过渡的应用。在实际应用中，理解filter passband对优化性能至关重要。例如，在音频处理过程中，工程师必须仔细选择filter passband，以确保保留所需的音频频率，同时消除噪声和失真。这种微妙的平衡对于实现高质量的声音再现至关重要。总之，filter passband的概念在电子系统中过滤器的设计和功能中起着重要作用。通过掌握filter passband的重要性，工程师可以创建满足各种应用特定要求的过滤器，确保最佳性能和信号完整性。随着技术的不断发展，对filter passband的理解将始终是信号处理的基本方面，尤其是在不断变化的电子产品领域。