standard frequency and time signal

简明释义

校准频率和时间信号

英英释义

例句

1.In aviation, pilots depend on the standard frequency and time signal for navigation and flight safety.

在航空领域，飞行员依赖于标准频率和时间信号进行导航和飞行安全。

2.The network time protocol (NTP) uses a standard frequency and time signal to ensure all computers are synchronized.

网络时间协议（NTP）使用标准频率和时间信号来确保所有计算机同步。

3.The radio station broadcasts the standard frequency and time signal to help synchronize clocks across the region.

该广播电台播送标准频率和时间信号，以帮助同步该地区的时钟。

4.Using a standard frequency and time signal is essential for scientific experiments that require precise timing.

使用标准频率和时间信号对于需要精确计时的科学实验至关重要。

5.Many GPS devices rely on the standard frequency and time signal to provide accurate location data.

许多GPS设备依靠标准频率和时间信号提供准确的位置数据。

作文

In today's fast-paced world, the importance of accurate timekeeping cannot be overstated. Whether it's for coordinating international business meetings, ensuring the precision of scientific experiments, or simply keeping our daily schedules on track, having a reliable reference for time is crucial. This is where the concept of standard frequency and time signal comes into play. A standard frequency and time signal (标准频率和时间信号) provides an authoritative source of time that can be used globally, ensuring synchronization across different regions and time zones.Historically, the need for precise timekeeping emerged with the advent of railroads in the 19th century, leading to the establishment of standardized time zones. However, it wasn't until the invention of radio technology in the early 20th century that the broadcast of standard frequency and time signals became feasible. These signals are transmitted using radio waves from various stations around the world, providing a consistent and accurate time reference that anyone with a compatible receiver can access.The most well-known example of a standard frequency and time signal is the time signal provided by the National Institute of Standards and Technology (NIST) in the United States. NIST broadcasts a standard frequency and time signal on the frequency of 60 kHz, which can be received by specialized clocks and radio receivers. This signal allows users to synchronize their devices to the exact time, which is essential for many applications, including telecommunications, GPS systems, and financial transactions.In addition to NIST, several other organizations worldwide provide similar standard frequency and time signals. For instance, the International Bureau of Weights and Measures (BIPM) operates the Coordinated Universal Time (UTC) system, which serves as the basis for civil time worldwide. The UTC system is maintained through a network of atomic clocks, ensuring that the time signals remain incredibly accurate.The significance of standard frequency and time signals extends beyond mere convenience; they play a vital role in various industries. In aviation, for example, pilots rely on precise time signals for navigation and communication. The synchronization of flight schedules and air traffic control operations depends heavily on accurate timekeeping. Similarly, in the financial sector, stock exchanges require precise timing for executing trades, where even a millisecond can make a difference in millions of dollars.Moreover, the rise of the Internet of Things (IoT) has further amplified the necessity for standard frequency and time signals. With billions of devices connected to the internet, maintaining synchronization between them is essential for seamless operation. IoT applications, ranging from smart homes to industrial automation, depend on accurate time signals to function effectively and efficiently.In conclusion, the concept of standard frequency and time signal (标准频率和时间信号) is fundamental to our modern society. It ensures that we can coordinate activities across different regions, maintain the integrity of various industries, and embrace technological advancements. As we move forward into an increasingly interconnected world, the reliance on these signals will only grow, highlighting their significance in our daily lives and the global economy.