digital frequency meter

简明释义

数字式频率计

英英释义

例句

1.During the maintenance check, the technician found that the digital frequency meter was malfunctioning.

在维护检查期间，技术员发现数字频率计出现了故障。

2.The engineer used a digital frequency meter to accurately measure the signal frequency in the circuit.

工程师使用了一个数字频率计来准确测量电路中的信号频率。

3.For radio frequency applications, a high-precision digital frequency meter is essential.

对于射频应用，高精度的数字频率计是必不可少的。

4.The digital frequency meter displayed a frequency of 50 Hz, indicating the power supply's standard frequency.

该数字频率计显示的频率为50赫兹，表明电源的标准频率。

5.Before starting the experiment, we calibrated the digital frequency meter to ensure precise readings.

在开始实验之前，我们对数字频率计进行了校准，以确保读数的准确性。

作文

In today's technological world, precision and accuracy in measurements are paramount. One of the essential tools that help achieve this is the digital frequency meter. A digital frequency meter (数字频率计) is an electronic device used to measure the frequency of signals in a circuit. It provides precise readings that are crucial for engineers, technicians, and researchers working in various fields such as telecommunications, audio engineering, and electronics. The operation of a digital frequency meter is based on the principle of counting the number of cycles of a waveform that occur in a specific time period. This measurement is typically expressed in hertz (Hz), which represents the number of cycles per second. Unlike analog frequency meters, which may provide less accurate readings and can be affected by human error, a digital frequency meter offers a clear digital display, making it easier to read and interpret the results. One of the significant advantages of using a digital frequency meter is its ability to measure a wide range of frequencies. These devices can often handle frequencies from very low (in the kilohertz range) to very high (in the gigahertz range), which makes them versatile for various applications. For instance, in telecommunications, a digital frequency meter is invaluable for testing radio frequencies, ensuring that signals are transmitted accurately without interference.Moreover, the accuracy of a digital frequency meter is enhanced by its internal components, such as high-quality oscillators and advanced microcontrollers. These elements allow the device to perform complex calculations quickly, providing real-time frequency measurements that are reliable and consistent. This level of accuracy is especially important in fields like audio engineering, where even the slightest deviation in frequency can lead to significant quality issues in sound production.In addition to their accuracy and versatility, digital frequency meters are also user-friendly. Most modern devices come equipped with intuitive interfaces, allowing users to navigate through various functions with ease. Many models feature backlit displays, making it possible to take measurements in low-light conditions. Furthermore, some digital frequency meters have data logging capabilities, enabling users to record measurements over time for analysis and troubleshooting purposes.Despite their many advantages, it is essential to understand the limitations of digital frequency meters. While they are highly accurate, external factors such as temperature fluctuations, electromagnetic interference, and improper calibration can affect their performance. Therefore, regular maintenance and calibration are necessary to ensure that these devices continue to function correctly and provide accurate measurements.In conclusion, the digital frequency meter (数字频率计) is an indispensable tool in modern technology, providing precise frequency measurements that are critical across various industries. Its accuracy, versatility, and ease of use make it a preferred choice for professionals in fields such as telecommunications and audio engineering. As technology continues to advance, the role of the digital frequency meter will likely become even more significant, helping to drive innovations and improvements in measurement techniques.

在当今的技术世界中，精确和准确的测量至关重要。实现这一目标的关键工具之一就是数字频率计。数字频率计（digital frequency meter）是一种用于测量电路中信号频率的电子设备。它提供的精确读数对于在电信、音频工程和电子等各个领域工作的工程师、技术人员和研究人员至关重要。数字频率计的工作原理是基于计算特定时间段内波形循环次数的原则。这种测量通常以赫兹（Hz）表示，代表每秒的周期数。与可能提供较低准确度且可能受人为错误影响的模拟频率计不同，数字频率计提供清晰的数字显示，使得读取和解释结果变得更加容易。使用数字频率计的一个显著优势是其能够测量广泛的频率。这些设备通常能够处理从非常低（千赫兹范围）到非常高（千兆赫兹范围）的频率，这使得它们在各种应用中都具有多功能性。例如，在电信领域，数字频率计对测试无线电频率至关重要，确保信号准确传输而不受干扰。此外，数字频率计的准确性通过其内部组件得到了增强，例如高质量的振荡器和先进的微控制器。这些元素使设备能够快速执行复杂的计算，提供可靠且一致的实时频率测量。这种准确度在音频工程等领域尤其重要，因为即使是微小的频率偏差也会导致声音制作中的重大质量问题。除了准确性和多功能性外，数字频率计还非常易于使用。大多数现代设备配备直观的界面，使用户能够轻松导航各种功能。许多型号具有背光显示，使得在低光条件下也能进行测量。此外，一些数字频率计具备数据记录功能，使用户能够记录随时间变化的测量数据，以便分析和故障排除。尽管有许多优点，但了解数字频率计的局限性也很重要。虽然它们的准确性很高，但温度波动、电磁干扰和不当校准等外部因素可能会影响其性能。因此，定期维护和校准是确保这些设备继续正常运行并提供准确测量所必需的。总之，数字频率计（digital frequency meter）是现代技术中不可或缺的工具，提供的精确频率测量在各个行业中至关重要。其准确性、多功能性和易用性使其成为电信和音频工程等领域专业人士的首选。随着技术的不断进步，数字频率计的作用可能会变得更加重要，帮助推动测量技术的创新和改进。