antenna bandwidth
简明释义
天线频带宽度
英英释义
Antenna bandwidth refers to the range of frequencies over which an antenna can effectively transmit or receive signals with acceptable performance. | 天线带宽是指天线能够有效发射或接收信号的频率范围,在该范围内信号的性能可接受。 |
例句
1.The antenna bandwidth 天线带宽 is critical for ensuring the system can transmit and receive data effectively.
对于确保系统能够有效传输和接收数据,天线带宽 antenna bandwidth至关重要。
2.To ensure clear communication, we need to select an antenna bandwidth 天线带宽 that matches our frequency range.
为了确保清晰的通信,我们需要选择一个与我们的频率范围匹配的天线带宽 antenna bandwidth。
3.Engineers are testing the antenna bandwidth 天线带宽 to optimize the satellite communication link.
工程师正在测试天线带宽 antenna bandwidth以优化卫星通信链路。
4.The performance of the radio system is heavily influenced by the antenna bandwidth 天线带宽.
无线电系统的性能受到天线带宽 antenna bandwidth的严重影响。
5.Adjusting the antenna bandwidth 天线带宽 can help improve signal reception in urban areas.
调整天线带宽 antenna bandwidth可以帮助改善城市地区的信号接收。
作文
In the field of telecommunications and radio frequency engineering, the term antenna bandwidth refers to the range of frequencies over which an antenna can effectively operate. This characteristic is crucial for ensuring that the antenna can transmit and receive signals without significant loss of quality or strength. The antenna bandwidth is typically defined as the frequency range where the antenna's performance is within a specified level, often measured in terms of return loss or voltage standing wave ratio (VSWR). Understanding this concept is essential for engineers and designers who are tasked with creating efficient communication systems.Antenna bandwidth can be influenced by several factors including the physical dimensions of the antenna, its design, and the materials used in its construction. For example, a dipole antenna might have a narrow antenna bandwidth, making it suitable for specific applications such as broadcasting on a single frequency. In contrast, a wideband antenna is designed to operate over a broader range of frequencies, which is particularly useful in modern communication systems that require versatility and adaptability.The importance of antenna bandwidth cannot be overstated. For instance, in mobile communication systems, antennas must be able to accommodate various frequencies to ensure seamless connectivity. If an antenna has a limited antenna bandwidth, it may not be able to effectively handle the different frequencies used in cellular networks, leading to poor signal quality and dropped calls.Moreover, advancements in technology have led to the development of multi-band and ultra-wideband antennas that can operate across multiple frequency bands. These types of antennas are becoming increasingly popular in applications such as Wi-Fi, Bluetooth, and satellite communications. They provide the flexibility needed to support multiple services while maintaining a high level of performance across the entire antenna bandwidth.In addition to practical applications, understanding antenna bandwidth also has theoretical implications. Engineers use mathematical models to predict how changes in antenna design will affect its bandwidth. By optimizing these designs, they can enhance the performance of communication systems significantly. This optimization process often involves trade-offs; for instance, increasing the antenna bandwidth may lead to a decrease in gain or directivity, which are also critical parameters for antenna performance.In conclusion, the concept of antenna bandwidth is fundamental to the design and implementation of effective communication systems. It encompasses a range of technical considerations that impact how antennas perform across various frequencies. As technology continues to evolve, the demand for antennas with wider bandwidths will only increase, driving further innovation in antenna design and engineering. Understanding and mastering the intricacies of antenna bandwidth will be pivotal for future developments in telecommunications, ensuring that we remain connected in an increasingly complex digital landscape.
在电信和射频工程领域,术语天线带宽指的是天线能够有效工作的频率范围。这个特性对于确保天线能够在没有显著质量或强度损失的情况下发送和接收信号至关重要。天线带宽通常定义为天线性能在指定水平内的频率范围,通常通过回波损耗或电压驻波比(VSWR)来测量。理解这个概念对于负责创建高效通信系统的工程师和设计师至关重要。天线带宽受到多个因素的影响,包括天线的物理尺寸、设计及其构造材料。例如,偶极子天线可能具有较窄的天线带宽,使其适用于特定应用,例如在单一频率上进行广播。相反,宽带天线则设计用于在更广泛的频率范围内工作,这在需要多功能性和适应性的现代通信系统中尤为有用。天线带宽的重要性不容小觑。例如,在移动通信系统中,天线必须能够适应各种频率,以确保无缝连接。如果天线的天线带宽有限,它可能无法有效处理蜂窝网络中使用的不同频率,从而导致信号质量差和通话中断。此外,技术的进步导致了多频段和超宽带天线的发展,这些天线可以在多个频段上工作。这些类型的天线在Wi-Fi、蓝牙和卫星通信等应用中变得越来越流行。它们提供了所需的灵活性,以支持多种服务,同时在整个天线带宽内保持高水平的性能。除了实际应用外,理解天线带宽也具有理论意义。工程师使用数学模型来预测天线设计变化将如何影响其带宽。通过优化这些设计,他们可以显著提高通信系统的性能。这个优化过程通常涉及权衡;例如,增加天线带宽可能导致增益或方向性下降,而这也是天线性能的关键参数。总之,天线带宽的概念是设计和实施有效通信系统的基础。它涵盖了一系列影响天线在各种频率下表现的技术考虑。随着技术的不断发展,对具有更大带宽的天线的需求只会增加,推动天线设计和工程的进一步创新。理解和掌握天线带宽的复杂性对于未来电信发展的关键,将确保我们在日益复杂的数字环境中保持连接。
相关单词