terminal impedance

简明释义

终端阻抗

英英释义

Terminal impedance refers to the impedance (resistance to alternating current) measured at the terminals of a device or circuit, which affects how electrical signals are transmitted and received.

端口阻抗是指在设备或电路的端口处测量的阻抗(对交流电的阻力),它影响电信号的传输和接收方式。

例句

1.To troubleshoot the device, we first checked the terminal impedance 终端阻抗 readings.

为了排除设备故障,我们首先检查了终端阻抗读数。

2.In RF applications, the terminal impedance 终端阻抗 must match the transmission line for maximum power transfer.

在射频应用中,终端阻抗必须与传输线匹配,以实现最大功率传输。

3.Adjusting the terminal impedance 终端阻抗 can improve signal clarity in audio systems.

调整终端阻抗可以提高音频系统中的信号清晰度。

4.The engineer measured the terminal impedance 终端阻抗 of the circuit to ensure optimal performance.

工程师测量了电路的终端阻抗以确保最佳性能。

5.The specifications included the required terminal impedance 终端阻抗 for the new antenna design.

规格中包括新天线设计所需的终端阻抗

作文

In the field of electrical engineering, understanding various concepts is crucial for designing efficient systems. One such concept that plays a significant role in circuit design is terminal impedance. The term refers to the impedance presented by a device or component at its terminals when connected to a circuit. This parameter is essential as it affects how signals are transmitted and how power is delivered within an electrical system.To grasp the importance of terminal impedance, we must first understand what impedance is. Impedance is a measure of opposition that a circuit presents to the flow of alternating current (AC). It combines resistance and reactance, which includes both capacitive and inductive elements. When we talk about terminal impedance, we focus on the specific impedance at the input or output terminals of a device, such as a speaker, amplifier, or antenna.The significance of terminal impedance becomes evident when we consider the concept of matching. In audio systems, for instance, a mismatch in impedance between components can lead to signal loss, distortion, or even damage to the equipment. For example, if a speaker with a low terminal impedance is connected to an amplifier designed for higher impedance, the amplifier may struggle to drive the speaker effectively, resulting in poor sound quality.Moreover, in radio frequency applications, the terminal impedance of antennas is critical for maximizing power transfer. Antennas are designed to operate at specific frequencies, and their terminal impedance must match the transmission line impedance for optimal performance. If there is a significant difference, it can lead to reflections, reducing the efficiency of the system.To illustrate this further, let’s consider a practical example: a simple audio setup consisting of a guitar, an amplifier, and a speaker. The guitar typically has a high terminal impedance, while the amplifier’s input may be designed for lower impedance. If these two are mismatched, the sound produced can be weak and lack clarity. To solve this issue, engineers often use impedance matching devices, like transformers or resistors, to ensure that the terminal impedance is appropriately aligned.In summary, terminal impedance is a fundamental concept in electrical engineering that affects the performance of various devices. Understanding how to measure and match terminal impedance is vital for ensuring efficient power transfer and signal integrity in any electrical system. Whether in audio equipment, communication systems, or any other electronic application, paying close attention to terminal impedance can make a significant difference in overall functionality and performance. As technology continues to advance, the importance of mastering such concepts will only grow, emphasizing the need for engineers and technicians to have a solid grasp of terminal impedance and its implications in real-world applications.

端子阻抗是电气工程领域中的一个重要概念,它指的是在连接到电路时,设备或组件在其端子处所呈现的阻抗。这个参数对于信号传输和电力传递至关重要。要理解端子阻抗的重要性,我们首先需要了解阻抗的含义。阻抗是电路对交流电流(AC)流动的反对程度的度量。它结合了电阻和电抗,包括电容性和电感性元素。当我们谈论端子阻抗时,我们关注的是设备输入或输出端子的特定阻抗。在音频系统中,组件之间的阻抗不匹配会导致信号损失、失真,甚至设备损坏。例如,如果一个低端子阻抗的扬声器连接到一个设计用于高阻抗的放大器,放大器可能无法有效驱动扬声器,从而导致音质差。此外,在射频应用中,天线的端子阻抗对于最大化功率传输至关重要。天线被设计为在特定频率下工作,其端子阻抗必须与传输线阻抗匹配,以实现最佳性能。如果存在显著差异,可能会导致反射,从而降低系统效率。通过一个实际例子来说明这一点:一个简单的音频设备,由吉他、放大器和扬声器组成。吉他通常具有高端子阻抗,而放大器的输入可能设计为低阻抗。如果这两者不匹配,产生的声音可能会很弱且缺乏清晰度。为了解决这个问题,工程师们通常使用阻抗匹配设备,如变压器或电阻器,以确保端子阻抗适当地对齐。总之,端子阻抗是电气工程中的一个基本概念,它影响各种设备的性能。理解如何测量和匹配端子阻抗对于确保任何电气系统中的高效功率传输和信号完整性至关重要。无论是在音频设备、通信系统还是其他电子应用中,密切关注端子阻抗都可以显著提高整体功能和性能。随着技术的不断进步,掌握这些概念的重要性只会增加,强调工程师和技术人员需要深入理解端子阻抗及其在实际应用中的影响。

相关单词

terminal

terminal详解:怎么读、什么意思、用法

impedance

impedance详解:怎么读、什么意思、用法