frequency division system

简明释义

频率分割制

英英释义

例句

1.In a frequency division system 频分系统, each user is assigned a unique frequency band.

在频分系统 frequency division system 中，每个用户被分配一个独特的频率带。

2.In telecommunications, a frequency division system 频分系统 allows multiple signals to be transmitted simultaneously over the same channel.

在电信中，频分系统 frequency division system 允许多个信号同时通过同一信道传输。

3.Using a frequency division system 频分系统 can reduce interference between channels in a communication network.

使用频分系统 frequency division system 可以减少通信网络中频道之间的干扰。

4.The design of a frequency division system 频分系统 requires careful consideration of bandwidth allocation.

设计频分系统 frequency division system 需要仔细考虑带宽分配。

5.The frequency division system 频分系统 is essential for efficient radio broadcasting.

频分系统 frequency division system 对于高效的广播至关重要。

作文

In the modern world of telecommunications, various systems are employed to ensure efficient and effective communication. One such system is the frequency division system, which plays a crucial role in managing how signals are transmitted over a medium. To understand this concept better, we must first break down its components and explore its applications in everyday technology.A frequency division system is essentially a method of dividing a frequency band into multiple smaller bands, each of which can carry a separate signal. This technique allows for the simultaneous transmission of multiple signals without interference. For instance, in radio broadcasting, different stations operate on different frequencies, allowing listeners to tune in to their preferred channel without overlap. This separation is made possible by the principles of the frequency division system, which allocates specific frequency ranges to each station.The significance of the frequency division system extends beyond radio. It is also instrumental in mobile communications. In cellular networks, the available frequency spectrum is divided among various users and services. This division enables multiple calls and data transmissions to occur at the same time, enhancing the overall capacity of the network. Without such a system in place, the demand for mobile communication would exceed the available resources, leading to dropped calls and slow data speeds.Moreover, the frequency division system is not limited to analog signals; it is also applicable in digital communication systems. In technologies like Orthogonal Frequency Division Multiplexing (OFDM), which is widely used in Wi-Fi and 4G LTE networks, the frequency division principle is employed to optimize data transmission. By splitting the signal into numerous smaller sub-signals that are transmitted simultaneously at different frequencies, OFDM increases the efficiency and reliability of data transfer.The implementation of a frequency division system brings several advantages. Firstly, it enhances the quality of communication by reducing interference between signals. Each signal operates within its designated frequency range, minimizing the risk of crosstalk. Secondly, it improves the overall capacity of communication systems, allowing more users to share the same medium without degrading performance. Lastly, it provides flexibility in system design, enabling engineers to allocate frequencies based on specific needs and requirements.However, there are challenges associated with the frequency division system. One major issue is the limited availability of frequency spectrum. As more devices connect to the internet and mobile networks, the demand for frequency space increases. Regulatory bodies must carefully manage and allocate frequencies to prevent congestion and ensure fair access for all users. Additionally, the technological advancements in communication require continuous updates and improvements to the frequency division system to accommodate new standards and protocols.In conclusion, the frequency division system is a fundamental aspect of modern communication technology. Its ability to divide frequency bands for simultaneous signal transmission has transformed how we connect and interact. As we continue to innovate and expand our communication capabilities, understanding and optimizing the frequency division system will remain essential for meeting the demands of an increasingly interconnected world.

在现代电信的世界中，各种系统被用来确保高效和有效的通信。其中一个系统是频分系统，它在管理信号如何通过介质传输方面发挥着至关重要的作用。要更好地理解这个概念，我们必须首先拆解其组成部分，并探索其在日常技术中的应用。频分系统本质上是一种将频带划分为多个较小频带的方法，每个频带可以承载一个独立的信号。这种技术允许多个信号同时传输而不发生干扰。例如，在广播中，不同的电台在不同的频率上运行，使听众能够调到他们喜欢的频道而不会重叠。这种分离是由频分系统的原理实现的，它为每个电台分配特定的频率范围。频分系统的重要性不仅限于广播。它在移动通信中也发挥着重要作用。在蜂窝网络中，可用的频谱被划分给各种用户和服务。这种划分使得多个通话和数据传输能够同时进行，从而增强了网络的整体容量。如果没有这样的系统，移动通信的需求将超过可用资源，导致通话中断和数据速度缓慢。此外，频分系统不仅限于模拟信号；它在数字通信系统中也适用。在正交频分复用（OFDM）等技术中，这种技术被广泛应用于Wi-Fi和4G LTE网络，频分原理被用来优化数据传输。通过将信号分割成多个较小的子信号并同时在不同频率下传输，OFDM提高了数据传输的效率和可靠性。实施频分系统带来了几个优势。首先，它通过减少信号之间的干扰来增强通信质量。每个信号在其指定的频率范围内操作，最小化了串音的风险。其次，它提高了通信系统的整体容量，允许更多用户共享同一介质而不降低性能。最后，它为系统设计提供了灵活性，使工程师能够根据特定需求和要求分配频率。然而，频分系统也面临挑战。一个主要问题是频谱的有限可用性。随着越来越多的设备连接到互联网和移动网络，对频率空间的需求增加。监管机构必须仔细管理和分配频率，以防止拥堵并确保所有用户的公平访问。此外，通信技术的进步需要对频分系统进行持续的更新和改进，以适应新的标准和协议。总之，频分系统是现代通信技术的基本方面。它将频带划分用于同时信号传输的能力改变了我们连接和互动的方式。随着我们继续创新和扩展我们的通信能力，理解和优化频分系统将始终是满足日益互联的世界需求的关键。