pulse-width discriminator

简明释义

脉宽识别器

英英释义

例句

1.The engineer designed a new circuit using a pulse-width discriminator to improve signal accuracy.

工程师设计了一种新电路，使用脉宽鉴别器来提高信号准确性。

2.The pulse-width discriminator is essential for measuring the duration of pulses in digital circuits.

脉宽鉴别器对于测量数字电路中脉冲的持续时间至关重要。

3.We implemented a pulse-width discriminator in our system to enhance the performance of data transmission.

我们在系统中实现了一个脉宽鉴别器以增强数据传输的性能。

4.The pulse-width discriminator can effectively filter out noise from the input signal.

脉宽鉴别器可以有效地过滤输入信号中的噪声。

5.In telecommunications, a pulse-width discriminator can help distinguish between different signal types.

在电信中，脉宽鉴别器可以帮助区分不同的信号类型。

作文

In the field of electronics and signal processing, the term pulse-width discriminator refers to a device or circuit that is designed to distinguish between signals based on their pulse widths. This functionality is crucial in various applications, including communication systems, radar technology, and digital signal processing. The ability to analyze pulse width enables engineers to extract meaningful information from complex signals, thereby enhancing the performance of electronic systems.A pulse-width discriminator operates by comparing the duration of incoming pulses against predefined thresholds. When a pulse arrives, the discriminator measures its width and determines whether it meets the criteria for further processing. For instance, in a communication system, different data bits may be represented by pulses of varying lengths. By employing a pulse-width discriminator, the system can accurately interpret these bits, ensuring reliable data transmission.One of the significant advantages of using a pulse-width discriminator is its ability to improve signal-to-noise ratio (SNR). In environments where noise is prevalent, distinguishing between signal pulses can become challenging. The discriminator filters out unwanted noise by focusing only on pulses that meet specific width requirements. This filtering process not only enhances the clarity of the received signals but also reduces the likelihood of errors in data interpretation.Moreover, pulse-width discriminators can be implemented in various forms, including analog and digital circuits. Analog discriminators typically utilize components such as resistors, capacitors, and operational amplifiers to achieve pulse width discrimination. On the other hand, digital discriminators leverage microcontrollers or digital signal processors (DSPs) to perform the same function with greater precision and flexibility. The choice between analog and digital implementations often depends on the specific application requirements, such as speed, complexity, and cost.In recent years, advancements in technology have led to the development of more sophisticated pulse-width discriminators. These modern devices can handle higher frequencies and offer improved accuracy in pulse width measurement. Additionally, some discriminators are now capable of processing multiple channels simultaneously, making them suitable for complex systems that require the analysis of multiple signals at once.The importance of pulse-width discriminators extends beyond traditional electronics. In the realm of medical technology, for example, these devices play a critical role in imaging systems such as ultrasound and MRI. By analyzing the pulse widths of reflected signals, medical professionals can obtain detailed images of internal body structures, aiding in diagnosis and treatment planning.In conclusion, the pulse-width discriminator is an essential component in many electronic systems, enabling the effective analysis and interpretation of pulse-width modulated signals. Its ability to enhance signal clarity and reduce noise makes it invaluable in various applications, from telecommunications to medical imaging. As technology continues to evolve, the capabilities of pulse-width discriminators will likely expand, leading to even more innovative uses in the future.

在电子和信号处理领域，术语脉冲宽度判别器指的是一种旨在根据脉冲宽度区分信号的设备或电路。这一功能在各种应用中至关重要，包括通信系统、雷达技术和数字信号处理。分析脉冲宽度的能力使工程师能够从复杂信号中提取有意义的信息，从而提高电子系统的性能。脉冲宽度判别器通过将传入脉冲的持续时间与预定义的阈值进行比较来工作。当一个脉冲到达时，判别器测量其宽度，并确定它是否符合进一步处理的标准。例如，在通信系统中，不同的数据位可能由不同长度的脉冲表示。通过使用脉冲宽度判别器，系统可以准确解释这些位，确保数据传输的可靠性。使用脉冲宽度判别器的一个显著优势是它能够提高信噪比（SNR）。在噪声普遍存在的环境中，区分信号脉冲可能变得具有挑战性。判别器通过仅关注符合特定宽度要求的脉冲来过滤掉不必要的噪声。这一过滤过程不仅增强了接收信号的清晰度，还减少了数据解释错误的可能性。此外，脉冲宽度判别器可以以多种形式实现，包括模拟电路和数字电路。模拟判别器通常利用电阻、电容和运算放大器等组件来实现脉冲宽度判别。而数字判别器则利用微控制器或数字信号处理器（DSP）以更高的精度和灵活性执行相同功能。选择模拟还是数字实现通常取决于特定应用的要求，例如速度、复杂性和成本。近年来，技术的进步导致了更复杂的脉冲宽度判别器的发展。这些现代设备能够处理更高的频率，并在脉冲宽度测量方面提供更好的准确性。此外，一些判别器现在能够同时处理多个通道，使其适用于需要同时分析多个信号的复杂系统。脉冲宽度判别器的重要性超出了传统电子学。在医疗技术领域，例如，这些设备在超声波和MRI等成像系统中发挥着关键作用。通过分析反射信号的脉冲宽度，医疗专业人员可以获得内部身体结构的详细图像，帮助诊断和治疗规划。总之，脉冲宽度判别器是许多电子系统中的一个重要组成部分，使得有效分析和解释脉冲宽度调制信号成为可能。它增强信号清晰度和减少噪声的能力使其在各种应用中不可或缺，从电信到医学成像。随着技术的不断发展，脉冲宽度判别器的能力可能会扩展，从而在未来带来更多创新的用途。