duplexer

简明释义

英[/ˈdjuːplɛksər/]美[/ˈdjuːplɛksər/]

n. [通信] 双工器；天线转换开关

英英释义

单词用法

同义词

反义词

例句

1.The embodiment of the invention relates to the field of electronic communication, in particular to a base station radio frequency duplexer, a radio frequency module and a radio frequency system.

本发明实施例涉及电子通信领域，尤其是一种基站射频双工器、射频模块和射频系统。

2.The embodiment of the invention relates to the field of electronic communication, in particular to a base station radio frequency duplexer, a radio frequency module and a radio frequency system.

本发明实施例涉及电子通信领域，尤其是一种基站射频双工器、射频模块和射频系统。

3.Tofind a target and determine its position, any radar station has to basically consist of a transmitter, a receiver, an antenna, an antenna duplexer, a display and a timer.

为了要发现目标和确定其位置，任何雷达站基本上都必须包括发射机、接收机、天线、天线转换开关、显示器和定时装置。

4.This paper gives the particular description of theoretical analysis and practical design for duplexer in the mobile communication system.

文章以无绳电话双工器为例，介绍了在无线通信产品中广泛使用的关键元件——双工器的作用、结构和检测方法。

5.The circuit design part mainly introduces the duplexer design with lumped apices filter, and the antenna switch design with PIN diode.

在电路结构设计部分，主要讨论了采用集总参数传输零点滤波器实现天线双工器和采用PIN管实现天线开关的设计方法。

6.Dielectric resonator, dielectric filter, dielectric duplexer and method for manufacturing dielectric resonator.

介质谐振器，介质滤波器，介质双工器和介质谐振器的制造方法。

7.The new printer is equipped with a duplexer to print on both sides of the paper.

这台新打印机配备了一个双工器，可以在纸的两面打印。

8.Using a duplexer can save you a lot of paper in the long run.

使用双工器可以在长远中为你节省很多纸张。

9.We installed a duplexer in our office to improve printing efficiency.

我们在办公室安装了一个双工器以提高打印效率。

10.The duplexer allows for automatic double-sided printing.

这个双工器允许自动双面打印。

11.Make sure to select the duplexer option in the print settings.

确保在打印设置中选择双工器选项。

作文

In the world of telecommunications and electronics, the term duplexer refers to a device that allows for simultaneous transmission and reception of signals. This technology is crucial in various applications, including radio communications, satellite systems, and even mobile phones. Understanding how a duplexer works can provide insight into the complexities of modern communication systems. A duplexer essentially acts as a switch that separates the incoming and outgoing signals, allowing them to travel over the same medium without interference. For instance, in a two-way radio system, a duplexer enables the user to talk and listen at the same time, which is essential for effective communication. Without this device, the user would have to alternate between transmitting and receiving, leading to delays and misunderstandings. The functionality of a duplexer is based on the principle of frequency separation. It uses different frequencies for sending and receiving signals. The duplexer filters out the outgoing signal from the incoming one, ensuring that each signal reaches its intended destination without causing disruption. This is particularly important in crowded frequency bands where multiple signals may be present. There are various types of duplexers, including passive and active versions. Passive duplexers are typically made from passive components like resistors, capacitors, and inductors, while active duplexers incorporate amplifying elements such as transistors. The choice between these types often depends on the specific requirements of the communication system, including power levels, frequency ranges, and size constraints. One of the most common applications of a duplexer is in mobile phones. When you make a call, your phone needs to transmit your voice while simultaneously receiving the other person's voice. The duplexer plays a vital role in managing these two tasks, allowing for seamless communication. Similarly, in satellite communication, duplexers are used to manage the uplink and downlink signals, ensuring efficient data transmission between the satellite and ground stations. Moreover, duplexers are also utilized in radar systems. In radar applications, they enable the radar unit to send out a signal and receive the echo back from an object, all while using the same antenna. This capability significantly enhances the radar's effectiveness and efficiency, making it possible to detect and track objects accurately. As technology continues to advance, the design and efficiency of duplexers are also evolving. Researchers are constantly seeking ways to improve their performance, reduce size, and increase the frequency range they can handle. Innovations in materials and circuit design are paving the way for more compact and powerful duplexers that can meet the demands of next-generation communication systems. In conclusion, the duplexer is a fundamental component in modern telecommunications, facilitating simultaneous signal transmission and reception. Its ability to separate frequencies and manage signals efficiently makes it indispensable in various applications, from mobile phones to satellite communications and radar systems. As we move towards a more interconnected world, the importance of duplexers will only continue to grow, highlighting the need for ongoing research and development in this field.

在电信和电子学的世界中，术语duplexer指的是一种允许同时传输和接收信号的设备。这项技术在各种应用中至关重要，包括无线电通信、卫星系统甚至手机。理解duplexer的工作原理可以深入了解现代通信系统的复杂性。 duplexer本质上充当一个开关，分离进出信号，使它们能够在同一媒介上同时传播而不产生干扰。例如，在双向无线电系统中，duplexer使用户能够同时说话和倾听，这对于有效沟通至关重要。如果没有这个设备，用户将不得不在传输和接收之间交替进行，导致延迟和误解。 duplexer的功能基于频率分离的原理。它使用不同的频率来发送和接收信号。duplexer过滤掉传出的信号和传入的信号，确保每个信号都能到达其预定目的地，而不会造成干扰。这在拥挤的频带中尤为重要，因为多个信号可能同时存在。 duplexers有多种类型，包括被动和主动版本。被动duplexers通常由电阻器、电容器和电感器等被动元件制成，而主动duplexers则结合了放大元件，例如晶体管。选择这些类型通常取决于通信系统的具体要求，包括功率水平、频率范围和尺寸限制。 duplexer最常见的应用之一是在手机中。当你打电话时，你的手机需要在同时传输你的声音和接收对方的声音。duplexer在管理这两项任务中发挥着至关重要的作用，使通信无缝进行。同样，在卫星通信中，duplexers用于管理上行和下行信号，确保卫星与地面站之间的数据传输高效。 此外，duplexers还用于雷达系统。在雷达应用中，它们使雷达单元能够发出信号并接收从物体返回的回波，同时使用相同的天线。这一能力显著增强了雷达的有效性和效率，使其能够准确地检测和跟踪物体。 随着技术的不断进步，duplexers的设计和效率也在不断演变。研究人员不断寻求改进其性能、降低尺寸和增加其能够处理的频率范围的方法。材料和电路设计的创新正在为更紧凑和强大的duplexers铺平道路，以满足下一代通信系统的需求。 总之，duplexer是现代电信中的基本组件，促进信号的同时传输和接收。它分离频率和高效管理信号的能力使其在各种应用中不可或缺，从手机到卫星通信和雷达系统。随着我们迈向更加互联的世界，duplexers的重要性只会继续增长，这突显了在这一领域持续研究和发展的必要性。