delay line

简明释义

延时线

英英释义

例句

1.A digital delay line can be implemented using memory chips.

数字延迟线可以通过内存芯片实现。

2.The audio engineer used a delay line to synchronize the sound with the video.

音频工程师使用了一个延迟线来同步声音与视频。

3.The radar system incorporated a delay line to improve target detection.

雷达系统采用了一个延迟线来提高目标检测能力。

4.In telecommunications, a delay line is often used to manage signal timing.

在电信中，延迟线常用于管理信号时序。

5.Engineers tested the delay line to ensure it met the required specifications.

工程师测试了延迟线以确保其符合所需规格。

作文

In the realm of electronics and signal processing, the concept of a delay line is fundamental. A delay line is a device or medium that delays the transmission of a signal for a specific period of time without altering its waveform. This technology is widely used in various applications, including telecommunications, audio processing, and digital signal processing. Understanding the function and importance of a delay line can provide valuable insights into how signals are manipulated and transmitted in modern systems.To begin with, it is essential to recognize the different types of delay lines. There are two primary categories: analog and digital. Analog delay lines typically use physical media, such as coaxial cables or optical fibers, to achieve the desired delay. The signal travels through these mediums, which inherently introduce a time lag due to the speed of signal propagation. On the other hand, digital delay lines utilize memory elements to store samples of the input signal temporarily. These samples are then played back after a predetermined time, effectively introducing a delay.The applications of delay lines are vast and varied. In telecommunications, for instance, delay lines are crucial for synchronizing signals in communication systems. When multiple signals are transmitted simultaneously, they may arrive at their destination at different times. By employing delay lines, engineers can align these signals to ensure that they are received in the correct order, thereby improving the clarity and reliability of communication.In audio processing, delay lines play a vital role in creating effects such as echoes and reverberation. By delaying an audio signal and mixing it with the original, sound engineers can produce rich auditory textures that enhance musical compositions. This technique is not only used in music production but also in live sound reinforcement, where delay lines help to manage sound propagation in large venues.Moreover, in digital signal processing, delay lines are integral to various algorithms and systems. For example, adaptive filtering techniques often rely on delay lines to process incoming signals and adaptively filter out noise or interference. This capability is especially important in applications such as speech recognition and audio enhancement, where maintaining signal fidelity is paramount.Despite their widespread use, the design and implementation of delay lines come with challenges. Engineers must consider factors such as the desired delay duration, signal integrity, and the overall system architecture. Additionally, the choice between analog and digital delay lines can significantly impact performance and cost. For instance, while analog delay lines may offer simpler designs, they can be limited by the physical properties of the medium used. Conversely, digital delay lines provide greater flexibility and precision but may require more complex circuitry and processing power.In conclusion, the concept of a delay line is a cornerstone of modern electronics and signal processing. Its ability to introduce controlled delays in signal transmission has far-reaching implications across various fields, from telecommunications to audio engineering. As technology continues to evolve, the importance of understanding and utilizing delay lines will undoubtedly grow, paving the way for innovative solutions and advancements in signal processing technologies.

在电子和信号处理领域，延迟线的概念是基础性的。延迟线是一种设备或媒介，它在不改变波形的情况下延迟信号的传输特定时间。这项技术广泛应用于各种领域，包括电信、音频处理和数字信号处理。理解延迟线的功能和重要性可以为我们提供关于现代系统中信号如何被操控和传输的宝贵见解。首先，认识到不同类型的延迟线是至关重要的。主要有两类：模拟和数字。模拟延迟线通常使用物理媒介，如同轴电缆或光纤，来实现所需的延迟。信号通过这些媒介传播，由于信号传播速度的原因，自然会引入时间延迟。另一方面，数字延迟线利用存储元件暂时存储输入信号的样本，然后在预定时间后回放这些样本，从而有效地引入延迟。延迟线的应用范围广泛且多样。在电信领域，例如，延迟线对于同步通信系统中的信号至关重要。当多个信号同时传输时，它们可能会在不同时间到达目的地。通过采用延迟线，工程师可以对这些信号进行对齐，以确保它们以正确的顺序接收，从而提高通信的清晰度和可靠性。在音频处理中，延迟线在创造回声和混响等效果方面发挥着重要作用。通过延迟音频信号并与原始信号混合，声音工程师可以制作丰富的听觉纹理，增强音乐作品。这种技术不仅用于音乐制作，还用于现场声音增强，在大型场馆中，延迟线帮助管理声音传播。此外，在数字信号处理中，延迟线是各种算法和系统的核心。例如，自适应滤波技术通常依赖于延迟线来处理输入信号，并自适应地滤除噪声或干扰。这种能力在语音识别和音频增强等应用中尤为重要，因为保持信号的保真度至关重要。尽管延迟线被广泛使用，但其设计和实现仍面临挑战。工程师必须考虑所需的延迟时间、信号完整性和整体系统架构。此外，选择模拟还是数字延迟线可能会显著影响性能和成本。例如，虽然模拟延迟线可能提供更简单的设计，但它们可能受到使用的媒介物理特性的限制。相反，数字延迟线提供更大的灵活性和精度，但可能需要更复杂的电路和处理能力。总之，延迟线的概念是现代电子和信号处理的基石。它在信号传输中引入可控延迟的能力在各个领域具有深远的影响，从电信到音频工程。随着技术的不断发展，理解和利用延迟线的重要性无疑将会增加，为信号处理技术的创新解决方案和进步铺平道路。