pulse train

简明释义

脉冲串

英英释义

例句

1.The output of the circuit is a pulse train that controls the motor speed.

电路的输出是一个脉冲列，用于控制电机速度。

2.The laser emits a pulse train of light, allowing for high-speed data transmission.

激光发出一系列脉冲列的光，允许高速数据传输。

3.In the experiment, we generated a pulse train to study the response of the material.

在实验中，我们生成了一个脉冲列以研究材料的响应。

4.A pulse train can be used in radar systems to detect objects at various distances.

在雷达系统中，可以使用脉冲列来检测不同距离的物体。

5.The telecommunications system uses a pulse train to encode information.

电信系统使用脉冲列来编码信息。

作文

In the field of electronics and communications, the term pulse train refers to a sequence of pulses that are generated at regular intervals. These pulses can be used for various applications, including signal transmission, data encoding, and timing synchronization. Understanding the concept of pulse train is crucial for anyone involved in designing or working with electronic circuits or communication systems.A pulse train typically consists of a series of voltage spikes that represent binary data. Each pulse corresponds to a specific piece of information, such as a '1' or a '0' in digital communication. The width, height, and spacing of these pulses can vary depending on the requirements of the system. For instance, in a digital communication system, a shorter pulse width may allow for higher data rates, while longer pulse widths can improve signal integrity over long distances.One of the most common uses of pulse train is in clock signals for synchronous circuits. A clock signal is essentially a pulse train that dictates when other components in a circuit should operate. By coordinating the timing of operations, a clock signal ensures that data is processed correctly and efficiently. This is particularly important in microprocessors and digital signal processors, where precise timing is essential for performance.Moreover, pulse trains play a significant role in radar and sonar systems. In these applications, a pulse train is transmitted and then reflected off an object, allowing the system to determine the distance and speed of the object based on the time it takes for the pulses to return. The ability to generate and analyze pulse trains is therefore vital in fields such as aviation, maritime navigation, and even meteorology.Another interesting application of pulse trains is in medical imaging technologies, such as ultrasound. Here, a series of high-frequency sound pulses are emitted into the body, and the echoes are collected to create images of internal organs and tissues. The pattern and timing of the pulse train can significantly affect the quality and resolution of the resulting images, making it an area of active research.In summary, the concept of pulse train is foundational in many areas of technology. From digital communications to medical imaging, the ability to generate, manipulate, and analyze pulse trains is crucial for innovation and progress. As technology continues to evolve, so too will the methods and applications for utilizing pulse trains, highlighting the importance of this fundamental concept in the modern world.

在电子和通信领域，术语脉冲列指的是在规律间隔内生成的一系列脉冲。这些脉冲可以用于各种应用，包括信号传输、数据编码和时序同步。理解脉冲列的概念对于任何参与设计或使用电子电路或通信系统的人来说都是至关重要的。一个脉冲列通常由一系列电压尖峰组成，这些尖峰代表二进制数据。每个脉冲对应于特定的信息，例如数字通信中的“1”或“0”。这些脉冲的宽度、高度和间距可以根据系统的要求而变化。例如，在数字通信系统中，更短的脉冲宽度可能允许更高的数据传输速率，而更长的脉冲宽度则可以提高长距离传输中的信号完整性。脉冲列最常见的用途之一是在同步电路中的时钟信号。时钟信号本质上就是一个脉冲列，它指示电路中的其他组件何时操作。通过协调操作的时序，时钟信号确保数据被正确和高效地处理。这在微处理器和数字信号处理器中尤为重要，因为精确的时序对性能至关重要。此外，脉冲列在雷达和声纳系统中也发挥着重要作用。在这些应用中，脉冲列被发射并反射到物体上，从而使系统能够根据脉冲返回所需的时间来确定物体的距离和速度。因此，生成和分析脉冲列的能力在航空、海洋导航，甚至气象学等领域至关重要。脉冲列的另一个有趣应用是在医学成像技术中，例如超声。在这里，一系列高频声脉冲被发射到体内，回声被收集以创建内部器官和组织的图像。脉冲列的模式和时序会显著影响生成图像的质量和分辨率，使其成为一个活跃的研究领域。总之，脉冲列的概念在许多技术领域中是基础性的。从数字通信到医学成像，生成、操纵和分析脉冲列的能力对创新和进步至关重要。随着技术的不断发展，利用脉冲列的方法和应用也将不断演变，突显出这一基础概念在现代世界中的重要性。