line amplifier

简明释义

线路放大

英英释义

A line amplifier is an electronic device that amplifies a signal in a transmission line to compensate for signal loss over distance.

线放大器是一种电子设备,用于放大传输线中的信号,以补偿信号在距离上的损失。

例句

1.To improve audio quality in the auditorium, we decided to add a line amplifier to the sound system.

为了改善礼堂的音质,我们决定在音响系统中增加一个线路放大器

2.The line amplifier can significantly enhance the performance of long-distance data transmission.

线路放大器可以显著提高远距离数据传输的性能。

3.The technician installed a new line amplifier to boost the signal strength for the cable TV service.

技术人员安装了一个新的线路放大器以增强有线电视服务的信号强度。

4.We replaced the old line amplifier with a more efficient model to meet the increasing demand for bandwidth.

我们用更高效的型号替换了旧的线路放大器以满足日益增长的带宽需求。

5.When setting up the home theater, ensure that the line amplifier is properly connected to avoid distortion.

在设置家庭影院时,确保线路放大器正确连接以避免失真。

作文

In the world of telecommunications and audio engineering, the term line amplifier (线路放大器) plays a critical role in ensuring that signals maintain their integrity over long distances. A line amplifier is a device that amplifies the strength of an electrical signal, thereby preventing loss of quality as it travels through cables or other transmission mediums. This is especially important in scenarios where the signal must traverse significant distances, such as in broadcasting or professional audio setups.The primary function of a line amplifier is to boost the signal level to a point where it can be transmitted without degradation. When signals travel over long distances, they are prone to attenuation, which means that their strength diminishes as they encounter resistance from the medium through which they are passing. This is where a line amplifier comes into play. By strategically placing these devices along the transmission line, engineers can ensure that the signal remains strong and clear, thus enhancing the overall quality of the audio or data being transmitted.There are various types of line amplifiers, each designed for specific applications. For instance, in the context of television distribution, a coaxial line amplifier may be used to boost the signal coming from a cable provider before it reaches the television set. Similarly, in professional audio systems, a line amplifier can be used to enhance the output from microphones or instruments, allowing for a more robust sound during performances.Moreover, the design of a line amplifier can vary widely depending on its intended use. Some line amplifiers are built to handle high-frequency signals, while others are optimized for low-frequency applications. The choice of components, including transistors and capacitors, also influences the performance characteristics of the amplifier, such as its gain and bandwidth. Understanding how a line amplifier works is essential for anyone involved in the fields of audio engineering or telecommunications. Typically, the amplification process involves increasing the voltage or current of the input signal, resulting in a stronger output signal. This process is achieved using various electronic components that work together to manage the flow of electricity and enhance the signal strength.In addition to improving signal quality, line amplifiers also contribute to the overall reliability of communication systems. By ensuring that signals remain strong throughout their journey, these devices help to minimize the risk of errors and interruptions. This is particularly crucial in professional settings, where even minor disruptions can lead to significant problems.In conclusion, the significance of line amplifiers cannot be overstated in modern telecommunications and audio engineering. They serve as vital components that enhance signal quality and reliability, making them indispensable in various applications. Whether in broadcasting, live sound reinforcement, or data transmission, understanding and utilizing line amplifiers effectively can greatly improve the performance of any audio or communication system. As technology continues to evolve, the role of line amplifiers will likely expand further, paving the way for even more innovative solutions in the field of signal processing.

在电信和音频工程的世界中,术语line amplifier(线路放大器)在确保信号在长距离传输过程中保持完整性方面发挥着至关重要的作用。line amplifier是一种放大电信号强度的设备,从而防止信号在通过电缆或其他传输媒介时质量下降。这在信号必须跨越显著距离的情况下尤为重要,例如在广播或专业音频设置中。line amplifier的主要功能是将信号水平提升到可以无失真地传输的程度。当信号在长距离传输时,容易受到衰减,这意味着它们的强度在经过传输介质时会减弱。这时,line amplifier就发挥了作用。通过在传输线路上战略性地放置这些设备,工程师可以确保信号保持强劲清晰,从而提高所传输音频或数据的整体质量。有多种类型的line amplifiers,每种都设计用于特定应用。例如,在电视分配的背景下,可能会使用同轴line amplifier来增强来自有线电视提供商的信号,然后再将其传递到电视机。同样,在专业音频系统中,line amplifier可以用来增强麦克风或乐器的输出,从而在表演中产生更强的声音。此外,line amplifier的设计可能会因其预期用途而大相径庭。一些line amplifiers专门处理高频信号,而另一些则优化用于低频应用。组件的选择,包括晶体管和电容器,也会影响放大器的性能特征,例如增益和带宽。理解line amplifier的工作原理对于任何参与音频工程或电信领域的人来说都是至关重要的。通常,放大过程涉及增加输入信号的电压或电流,从而产生更强的输出信号。这个过程是通过各种电子元件共同工作来管理电流流动并增强信号强度来实现的。除了改善信号质量外,line amplifiers还对通信系统的整体可靠性做出了贡献。通过确保信号在整个传输过程中保持强劲,这些设备有助于最小化错误和中断的风险。这在专业环境中尤其重要,因为即使是微小的干扰也可能导致重大问题。总之,line amplifiers在现代电信和音频工程中的重要性不容小觑。它们作为关键组件,增强信号质量和可靠性,使其在各种应用中不可或缺。无论是在广播、现场音响增强还是数据传输中,有效理解和利用line amplifiers都可以大大提高任何音频或通信系统的性能。随着技术的不断发展,line amplifiers的角色可能会进一步扩大,为信号处理领域的更具创新性的解决方案铺平道路。

相关单词

amplifier

amplifier详解:怎么读、什么意思、用法