track hold circuit

简明释义

跟踪-保持器

英英释义

A track hold circuit is an electronic circuit used in analog signal processing that captures and holds the value of an input signal for a certain period of time.

轨道保持电路是一种用于模拟信号处理的电子电路,用于捕获并保持输入信号的值一段时间。

例句

1.The performance of the track hold circuit 轨道保持电路 can greatly affect the overall system efficiency.

轨道保持电路的性能可以极大地影响整体系统效率。

2.The track hold circuit 轨道保持电路 is crucial for maintaining signal integrity during data acquisition.

在数据采集过程中,轨道保持电路对于保持信号完整性至关重要。

3.During the maintenance check, we found that the track hold circuit 轨道保持电路 was malfunctioning.

在维护检查期间,我们发现轨道保持电路出现了故障。

4.The engineer explained how the track hold circuit 轨道保持电路 works in the signal processing system.

工程师解释了轨道保持电路在信号处理系统中的工作原理。

5.We need to calibrate the track hold circuit 轨道保持电路 to ensure accurate readings.

我们需要校准轨道保持电路以确保读数准确。

作文

In the field of electronics and signal processing, various circuits play a crucial role in ensuring efficient data handling and transmission. One such important circuit is the track hold circuit, which is essential for maintaining the integrity of signals during the sampling process. The primary function of a track hold circuit is to capture and hold an analog signal at a specific moment in time, allowing for accurate conversion into a digital format. This capability is particularly vital in applications where precise measurements are required, such as in digital oscilloscopes and data acquisition systems.The operation of a track hold circuit involves two main phases: the 'track' phase and the 'hold' phase. During the track phase, the circuit follows the input signal continuously, allowing it to capture variations in the signal amplitude. This ensures that the circuit can accurately track rapid changes in the input signal, which is crucial for high-speed applications. Once the desired sample point is reached, the circuit transitions into the hold phase, where it maintains the last sampled value for a predetermined duration. This holding period is critical as it allows the analog-to-digital converter (ADC) sufficient time to process the signal without being affected by any further fluctuations in the input.One of the key advantages of using a track hold circuit is its ability to reduce the noise and distortion that can occur during the sampling process. By stabilizing the signal for the ADC, the circuit helps to improve the overall accuracy and reliability of the data being captured. Moreover, the implementation of a track hold circuit can significantly enhance the performance of various electronic devices, making them more efficient in handling real-time data.Applications of track hold circuits extend beyond just data acquisition systems. They are also widely used in telecommunications, instrumentation, and control systems. For instance, in telecommunications, a track hold circuit can be employed to maintain the integrity of transmitted signals, ensuring that they reach their destination without degradation. In instrumentation, these circuits help in obtaining precise readings from sensors, which is crucial for monitoring and controlling various processes.Despite their many advantages, designing an effective track hold circuit comes with its own set of challenges. Engineers must consider factors such as speed, accuracy, and power consumption when developing these circuits. Additionally, the choice of components, such as operational amplifiers and switches, can significantly impact the performance of the circuit. Therefore, careful design and testing are essential to ensure that the track hold circuit meets the specific requirements of the application.In conclusion, the track hold circuit is a vital component in modern electronics, playing a significant role in the accurate sampling and processing of signals. Its ability to capture and hold analog signals at precise moments makes it indispensable in various applications, from data acquisition to telecommunications. As technology continues to evolve, the importance of track hold circuits will only increase, driving innovations in how we handle and process data in real-time environments.

在电子和信号处理领域,各种电路在确保数据处理和传输的效率方面发挥着至关重要的作用。其中一个重要的电路是保持跟踪电路,它对于在采样过程中保持信号的完整性至关重要。保持跟踪电路的主要功能是在特定时刻捕获并保持模拟信号,从而允许将其准确转换为数字格式。这种能力在需要精确测量的应用中尤为重要,例如数字示波器和数据采集系统。保持跟踪电路的操作包括两个主要阶段:'跟踪'阶段和'保持'阶段。在跟踪阶段,电路连续跟随输入信号,使其能够捕获信号幅度的变化。这确保了电路能够准确跟踪输入信号中的快速变化,这对高速应用至关重要。一旦达到所需的采样点,电路就会过渡到保持阶段,在该阶段,它在预定的持续时间内保持最后采样的值。这个保持周期至关重要,因为它允许模数转换器(ADC)有足够的时间处理信号,而不受输入信号进一步波动的影响。使用保持跟踪电路的一个主要优点是能够减少在采样过程中可能发生的噪声和失真。通过稳定ADC的信号,该电路有助于提高捕获数据的整体准确性和可靠性。此外,实施保持跟踪电路可以显著提高各种电子设备的性能,使其在实时数据处理方面更为高效。保持跟踪电路的应用不仅限于数据采集系统。它们还广泛应用于电信、仪器和控制系统。例如,在电信中,可以使用保持跟踪电路来保持传输信号的完整性,确保信号在到达目的地时不被降解。在仪器中,这些电路有助于从传感器获取精确读数,这对监控和控制各种过程至关重要。尽管有许多优点,但设计有效的保持跟踪电路也面临一系列挑战。工程师在开发这些电路时必须考虑速度、准确性和功耗等因素。此外,组件的选择,如运算放大器和开关,可能会显著影响电路的性能。因此,仔细的设计和测试对确保保持跟踪电路满足应用的具体要求至关重要。总之,保持跟踪电路是现代电子产品中的重要组成部分,在信号的准确采样和处理方面发挥着重要作用。它在特定时刻捕获和保持模拟信号的能力使其在从数据采集到电信的各种应用中不可或缺。随着技术的不断发展,保持跟踪电路的重要性只会增加,推动我们在实时环境中处理和处理数据的创新。

相关单词

circuit

circuit详解:怎么读、什么意思、用法