channel capacity

简明释义

河槽输水能力

英英释义

例句

1.In telecommunications, engineers often conduct tests to measure the channel capacity to ensure optimal performance.

在电信领域，工程师通常会进行测试以测量信道容量，以确保最佳性能。

2.The concept of channel capacity is crucial in designing efficient communication systems.

在设计高效通信系统时，信道容量的概念至关重要。

3.To improve the channel capacity, network administrators may upgrade their hardware or optimize the software configurations.

为了提高信道容量，网络管理员可能会升级硬件或优化软件配置。

4.The maximum data transfer rate of this network is determined by its channel capacity, which refers to the highest amount of information that can be transmitted over a communication channel in a given time period.

这个网络的最大数据传输速率由其信道容量决定，指的是在给定时间内可以通过通信信道传输的最高信息量。

5.The channel capacity of a wireless signal can be affected by environmental factors such as buildings and trees.

无线信号的信道容量可能会受到建筑物和树木等环境因素的影响。

作文

In the realm of communication theory, the concept of channel capacity plays a pivotal role in determining the maximum rate at which information can be transmitted over a communication channel without error. This concept, first introduced by Claude Shannon in his groundbreaking work in the 1940s, is fundamental to understanding how data can be efficiently and reliably communicated in various contexts, including telecommunications, computer networks, and even biological systems. The channel capacity (信道容量) is defined as the highest possible data transmission rate that can be achieved under specified conditions, taking into account factors such as noise, bandwidth, and interference.One of the key elements in calculating channel capacity is the signal-to-noise ratio (SNR), which measures the level of the desired signal relative to the level of background noise. A higher SNR indicates a clearer signal, which allows for a higher channel capacity (信道容量). For instance, in a wireless communication system, if the SNR is improved through better technology or strategic placement of antennas, the channel capacity can increase significantly, leading to faster data transmission rates. Moreover, the bandwidth of the channel also influences its channel capacity. Bandwidth refers to the range of frequencies that can be used for transmitting signals. According to Shannon's theorem, the channel capacity is directly proportional to the bandwidth; thus, wider bandwidth allows for more data to be sent simultaneously. This principle is evident in modern broadband technologies, where increased bandwidth leads to higher internet speeds.In practical applications, understanding channel capacity is crucial for network design and optimization. For instance, internet service providers must consider the channel capacity (信道容量) when planning their infrastructure to ensure that they can meet the demands of their customers. By analyzing the channel capacity, they can determine the maximum number of users that can be supported without degradation of service. This analysis helps in making informed decisions about resource allocation, technology upgrades, and network expansion.Additionally, the concept of channel capacity extends beyond traditional communication systems. In biological systems, for example, neurons transmit information through synapses, and the channel capacity of these connections can influence how effectively organisms process information. Understanding the channel capacity in this context can lead to insights into cognitive functions and neurological health.In conclusion, the concept of channel capacity (信道容量) is essential for anyone involved in the field of communications and information technology. It provides a framework for understanding the limits of data transmission and serves as a guide for improving communication systems. As technology continues to evolve, the importance of maximizing channel capacity will only grow, driving innovations that enhance our ability to communicate efficiently and effectively across various platforms. By grasping the principles behind channel capacity, we can better appreciate the complexities of communication and the ongoing advancements in this vital area of study.

在通信理论领域，信道容量的概念在确定信息可以在通信信道上无误传输的最大速率方面发挥着关键作用。这个概念最早是由克劳德·香农在20世纪40年代的开创性工作中提出的，对于理解数据如何在各种背景下高效且可靠地进行通信至关重要，包括电信、计算机网络甚至生物系统。信道容量（channel capacity）被定义为在特定条件下可以实现的最高可能数据传输速率，考虑了噪声、带宽和干扰等因素。计算信道容量的一个关键要素是信号噪声比（SNR），它测量期望信号的水平与背景噪声的水平之间的关系。较高的SNR表示信号更清晰，这允许更高的信道容量（channel capacity）。例如，在无线通信系统中，如果通过更好的技术或天线的战略放置改善了SNR，信道容量可以显著增加，从而导致更快的数据传输速率。此外，信道的带宽也会影响其信道容量。带宽指的是可以用于传输信号的频率范围。根据香农定理，信道容量与带宽成正比；因此，更宽的带宽允许更多的数据同时发送。这一原则在现代宽带技术中得到了体现，带宽的增加导致互联网速度的提高。在实际应用中，理解信道容量对网络设计和优化至关重要。例如，互联网服务提供商在规划基础设施时必须考虑信道容量（channel capacity），以确保能够满足客户的需求。通过分析信道容量，他们可以确定可以支持的用户最大数量，而不会降低服务质量。这种分析有助于做出关于资源分配、技术升级和网络扩展的明智决策。此外，信道容量的概念超越了传统的通信系统。在生物系统中，例如，神经元通过突触传递信息，这些连接的信道容量可以影响生物体处理信息的有效性。在这种情况下理解信道容量可以为认知功能和神经健康提供见解。总之，信道容量（channel capacity）的概念对于任何参与通信和信息技术领域的人来说都是至关重要的。它提供了一个理解数据传输限制的框架，并作为改善通信系统的指南。随着技术的不断发展，最大化信道容量的重要性只会增加，推动创新，增强我们在各种平台上高效、有效沟通的能力。通过掌握信道容量背后的原理，我们可以更好地欣赏通信的复杂性以及这一重要研究领域的持续进步。