center frequency

简明释义

中心频率

英英释义

例句

1.The center frequency 中心频率 of the bandpass filter is crucial for its performance.

带通滤波器的中心频率对其性能至关重要。

2.The filter was designed to operate around a center frequency 中心频率 of 1 kHz.

该滤波器的设计是围绕1 kHz的中心频率进行的。

3.In radar systems, the center frequency 中心频率 determines the wavelength of the transmitted signal.

在雷达系统中，中心频率决定了发射信号的波长。

4.To improve reception, the antenna was tuned to the center frequency 中心频率 of the broadcast station.

为了改善接收效果，天线被调谐到广播电台的中心频率。

5.The audio engineer adjusted the equalizer to boost the center frequency 中心频率 of the vocals.

音频工程师调整了均衡器，以增强人声的中心频率。

作文

The concept of center frequency plays a crucial role in various fields, particularly in telecommunications and audio engineering. To understand center frequency, we must first explore its definition. In essence, the center frequency refers to the frequency at which a system oscillates or resonates most effectively. It is often associated with filters, where it denotes the midpoint frequency that separates the passband from the stopband. This central point is vital for ensuring that signals are transmitted or received without distortion or loss of quality.In telecommunications, the center frequency is fundamental in the design of communication systems. For instance, when transmitting radio waves, each channel has its own center frequency. This allows multiple channels to operate simultaneously without interference. Understanding the center frequency helps engineers design better antennas and transmitters, ensuring that the desired signals are captured while minimizing noise.Similarly, in audio engineering, the center frequency is significant when working with equalizers and audio filters. An equalizer adjusts the balance between frequency components within an audio signal. Each band of the equalizer is centered around a specific center frequency, allowing sound engineers to enhance or attenuate certain frequencies. For example, if a sound engineer wants to boost the bass in a recording, they will increase the gain at the center frequency associated with lower frequencies, typically around 60 Hz to 250 Hz.Moreover, the center frequency is not just a theoretical concept; it has practical implications in everyday technology. Modern smartphones, for example, utilize various frequencies for different applications such as Wi-Fi, Bluetooth, and cellular networks. Each of these technologies operates around its own center frequency, which is crucial for maintaining efficient communication and connectivity.When considering the importance of center frequency, one must also acknowledge its impact on health and safety. In medical imaging technologies, such as ultrasound, the center frequency of the ultrasound waves is carefully chosen to optimize the resolution of the images produced. A higher center frequency yields better resolution but has limited penetration depth, while a lower center frequency penetrates deeper but provides less detail. Thus, selecting the appropriate center frequency is essential for accurate diagnostics.In conclusion, the term center frequency encapsulates a fundamental principle that underlies many technological advancements in our society. From telecommunications to audio engineering and medical imaging, understanding the center frequency enables professionals to optimize systems for better performance, efficiency, and clarity. As technology continues to evolve, the relevance of center frequency will undoubtedly persist, making it an essential concept for anyone involved in technical fields. By grasping the significance of center frequency, we can appreciate the intricate workings of the devices and systems that shape our modern world.

“中心频率”这一概念在多个领域中起着至关重要的作用，尤其是在电信和音频工程中。要理解“中心频率”，我们首先需要探讨其定义。本质上，“中心频率”是指系统最有效振荡或共振的频率。它通常与滤波器相关，表示将通带与阻带分开的中点频率。这个中心点对于确保信号在传输或接收过程中不失真或损失质量至关重要。在电信领域，“中心频率”在通信系统设计中至关重要。例如，在传输无线电波时，每个频道都有自己的“中心频率”。这使得多个频道可以同时运行而不产生干扰。理解“中心频率”有助于工程师设计更好的天线和发射机，确保捕捉到所需信号，同时最小化噪声。同样，在音频工程中，“中心频率”在使用均衡器和音频滤波器时也非常重要。均衡器调整音频信号内频率成分之间的平衡。均衡器的每个频段都是围绕特定的“中心频率”进行定位的，使声音工程师能够增强或衰减某些频率。例如，如果声音工程师想要在录音中提升低音，他们会增加与低频（通常在60 Hz到250 Hz之间）相关的“中心频率”的增益。此外，“中心频率”不仅是一个理论概念，它在日常技术中具有实际意义。现代智能手机例如，为不同的应用（如Wi-Fi、蓝牙和蜂窝网络）利用各种频率。这些技术每个都围绕其自身的“中心频率”运行，这对于保持高效的通信和连接至关重要。考虑到“中心频率”的重要性，人们还必须承认它对健康和安全的影响。在医学成像技术中，例如超声波，超声波的“中心频率”被仔细选择以优化所产生图像的分辨率。较高的“中心频率”提供更好的分辨率，但穿透深度有限，而较低的“中心频率”则能够更深地穿透，但提供的细节较少。因此，选择合适的“中心频率”对于准确诊断至关重要。总之，术语“中心频率”概括了一个基本原则，这一原则在我们社会中的许多技术进步中发挥着基础性作用。从电信到音频工程，再到医学成像，理解“中心频率”使专业人员能够优化系统，以获得更好的性能、效率和清晰度。随着技术的不断发展，“中心频率”的相关性无疑会持续存在，使其成为任何参与技术领域的人都必不可少的概念。通过掌握“中心频率”的重要性，我们可以欣赏塑造我们现代世界的设备和系统的复杂运作。