frequency meter

简明释义

频率计

英英释义

例句

1.The technician used a frequency meter 频率计 to measure the signal strength of the radio transmitter.

技术员使用了一个频率计来测量无线电发射机的信号强度。

2.In the lab, we rely on a frequency meter 频率计 for analyzing oscillating signals.

在实验室中，我们依赖频率计来分析振荡信号。

3.The frequency meter 频率计 displayed a reading of 50 Hz, indicating the power supply frequency.

该频率计显示的读数为50赫兹，表示电源频率。

4.We need to connect the frequency meter 频率计 to the output of the generator for proper analysis.

我们需要将频率计连接到发电机的输出端以进行正确分析。

5.To ensure accurate measurements, the frequency meter 频率计 was calibrated before testing the equipment.

为了确保测量准确，频率计在测试设备之前进行了校准。

作文

In the realm of electronics and telecommunications, a variety of devices are used to measure different parameters. One such essential device is the frequency meter, which plays a critical role in various applications. A frequency meter (频率计) is an instrument designed to measure the frequency of an electrical signal, typically expressed in hertz (Hz). This device is crucial for engineers and technicians who need to ensure that signals operate within the required frequency ranges for optimal performance.The importance of the frequency meter cannot be overstated, especially in fields such as radio broadcasting, telecommunications, and audio engineering. In radio broadcasting, for instance, stations must transmit their signals at specific frequencies to avoid interference with other stations. The frequency meter allows engineers to monitor these frequencies accurately, ensuring clear and reliable transmission of audio signals. Without this device, it would be challenging to maintain the quality and integrity of broadcasts.In telecommunications, the frequency meter is equally significant. It helps technicians troubleshoot and maintain communication systems by measuring the frequencies of various signals. For example, during the installation or repair of a cellular network, a technician may use a frequency meter to verify that the frequencies emitted by base stations are within the specified limits. This ensures that mobile users experience a stable connection without dropped calls or poor service quality.Moreover, in audio engineering, the frequency meter assists sound engineers in calibrating audio equipment. By measuring the frequency response of speakers and microphones, engineers can make necessary adjustments to enhance sound quality. This is particularly important in live sound settings, where clarity and fidelity are paramount. The ability to visualize frequency levels helps engineers make real-time decisions to improve the overall listening experience.There are different types of frequency meters, including analog and digital versions. Analog frequency meters display readings on a dial, while digital frequency meters provide numerical values on a screen. The choice between these types often depends on user preference and the specific requirements of the task at hand. Digital models tend to offer greater accuracy and additional features, such as data logging and connectivity options for further analysis.In conclusion, the frequency meter (频率计) is an invaluable tool in modern technology. Its ability to measure and monitor frequencies makes it essential across various industries, from broadcasting to telecommunications and audio engineering. As technology continues to evolve, the role of the frequency meter will only become more critical, ensuring that we maintain high standards of performance and quality in our electronic communications. Understanding how to utilize a frequency meter effectively can greatly enhance the work of professionals in these fields, enabling them to deliver better services and products to consumers.