frequency range

简明释义

频率范围

英英释义

例句

1.The device can transmit signals across a wide frequency range.

该设备可以在广泛的频率范围内传输信号。

2.We need to measure the frequency range of the audio signal.

我们需要测量音频信号的频率范围。

3.The frequency range for Wi-Fi is typically between 2.4 GHz and 5 GHz.

Wi-Fi的频率范围通常在2.4 GHz到5 GHz之间。

4.The radio operates within a specific frequency range.

该收音机在特定的频率范围内工作。

5.Different animals can hear sounds in different frequency ranges.

不同的动物能听到不同的频率范围的声音。

作文

Understanding the concept of frequency range is crucial in various fields, including telecommunications, audio engineering, and even medical imaging. The term frequency range refers to the spectrum of frequencies that a particular device, system, or medium can effectively transmit or receive. This range is typically measured in Hertz (Hz) and can significantly impact the performance and quality of the output produced by the device. For instance, in audio engineering, the frequency range of a speaker determines the types of sounds it can reproduce. A speaker with a wide frequency range can produce deep bass sounds as well as high treble notes, resulting in a more balanced and rich audio experience.In telecommunications, understanding the frequency range is vital for optimizing signal transmission. Different communication technologies operate within specific frequency ranges, which can affect the clarity and strength of the signal. For example, mobile phones typically operate within the frequency ranges of 800 MHz to 2.5 GHz, allowing them to transmit voice and data effectively over long distances. If the frequency range is too narrow, it may lead to poor connectivity and dropped calls, highlighting the importance of selecting devices that operate within appropriate frequency ranges.Moreover, in medical imaging, such as ultrasound technology, the frequency range is critical for obtaining clear images of internal organs. Ultrasound machines use sound waves at specific frequency ranges to create images of the body. Higher frequencies provide better resolution but have limited penetration depth, while lower frequencies can penetrate deeper but may not capture fine details. Thus, understanding the frequency range is essential for healthcare professionals to choose the right settings for optimal imaging results.Additionally, the frequency range can also influence how we perceive sound in our daily lives. For example, human hearing typically ranges from 20 Hz to 20,000 Hz. Sounds outside this frequency range may be inaudible to us, which is why certain animals can hear frequencies that humans cannot. This phenomenon illustrates the importance of frequency range not only in technology but also in understanding the natural world around us.In conclusion, the term frequency range encompasses a wide array of applications across various fields. Whether in audio engineering, telecommunications, or medical imaging, recognizing the significance of frequency range can lead to improved performance and better outcomes. As technology continues to advance, our understanding of frequency range will play an increasingly important role in enhancing the capabilities of devices and systems, ultimately benefiting society as a whole.

理解频率范围的概念在电信、音频工程甚至医学成像等多个领域至关重要。术语频率范围指的是特定设备、系统或介质能够有效传输或接收的频率谱。这个范围通常以赫兹（Hz）为单位进行测量，并且可以显著影响设备产生的输出性能和质量。例如，在音频工程中，扬声器的频率范围决定了它能够重现的声音类型。具有宽广频率范围的扬声器可以产生深沉的低音以及高音，从而带来更均衡和丰富的音频体验。在电信领域，理解频率范围对于优化信号传输至关重要。不同的通信技术在特定的频率范围内工作，这可能会影响信号的清晰度和强度。例如，手机通常在800 MHz到2.5 GHz的频率范围内工作，使其能够有效地在长距离内传输语音和数据。如果频率范围过窄，可能导致连接不良和通话中断，这突显了选择在适当频率范围内工作的设备的重要性。此外，在医学成像中，比如超声技术，频率范围对于获得内部器官的清晰图像至关重要。超声机使用特定频率范围的声波来创建身体的图像。较高的频率提供更好的分辨率，但穿透深度有限，而较低的频率可以深入穿透，但可能无法捕捉细节。因此，理解频率范围对于医疗专业人员选择最佳设置以获得最佳成像结果至关重要。此外，频率范围还会影响我们在日常生活中对声音的感知。例如，人耳的听觉范围通常为20 Hz到20,000 Hz。超出此频率范围的声音可能对我们不可闻，这就是为什么某些动物能听到人类无法听到的频率。这一现象说明了频率范围的重要性，不仅在技术上，还在于理解我们周围的自然世界。总之，术语频率范围涵盖了多个领域的广泛应用。无论是在音频工程、电信还是医学成像，认识到频率范围的重要性可以带来更好的性能和更好的结果。随着技术的不断进步，我们对频率范围的理解将在增强设备和系统能力方面发挥越来越重要的作用，最终使整个社会受益。