noise margin

简明释义

噪声容限

英英释义

例句

1.When designing a communication system, engineers must consider the noise margin 噪声裕度 to minimize errors.

在设计通信系统时，工程师必须考虑噪声裕度 noise margin 以最小化错误。

2.The noise margin 噪声裕度 of this amplifier is crucial for its performance in noisy environments.

这个放大器的噪声裕度 noise margin 对其在嘈杂环境中的性能至关重要。

3.Testing the noise margin 噪声裕度 is an essential part of ensuring circuit reliability.

测试噪声裕度 noise margin 是确保电路可靠性的重要部分。

4.In digital circuits, a higher noise margin 噪声裕度 ensures reliable signal transmission.

在数字电路中，较高的噪声裕度 noise margin 确保信号传输的可靠性。

5.A low noise margin 噪声裕度 can lead to data corruption in high-speed networks.

低噪声裕度 noise margin 可能导致高速网络中的数据损坏。

作文

In the realm of electronics and communication systems, understanding the concept of noise margin is crucial for ensuring reliable performance. The term noise margin refers to the amount of noise that a system can tolerate before it affects the integrity of the signal being transmitted or processed. Essentially, it measures the difference between the actual signal level and the threshold level at which the signal is considered to be valid. A higher noise margin indicates a more robust system that can handle greater levels of interference without compromising data integrity.To illustrate this further, let's consider a digital communication system. In such systems, signals are often represented in binary form, with two distinct voltage levels corresponding to the binary states of '0' and '1'. When these signals are transmitted over a medium, they can be subjected to various forms of noise, such as electromagnetic interference or thermal noise, which can distort the signal. The noise margin serves as a buffer against this distortion, allowing the receiver to accurately interpret the transmitted signal even in the presence of noise.For instance, if the voltage level representing '1' is 5 volts and the level representing '0' is 0 volts, the ideal threshold for distinguishing between these two states might be set at 2.5 volts. If the actual voltage levels fluctuate due to noise but remain within a certain range, the system can still correctly identify the intended signal. The difference between the minimum voltage required to recognize a '1' and the maximum voltage allowed for a '0' defines the noise margin. This margin provides an indication of how much noise the system can withstand before errors occur.The significance of noise margin extends beyond just digital communication; it is also relevant in analog circuits and systems. In analog systems, where signals can vary continuously, the concept of noise margin helps in determining the quality and reliability of signal transmission. Engineers often design circuits with appropriate noise margin levels to ensure that the systems perform optimally under different operating conditions.Moreover, the noise margin is not a static value; it can be influenced by various factors including temperature, component aging, and environmental conditions. Therefore, it is essential for engineers to regularly evaluate and adjust the noise margin during the design and testing phases of circuit development. This proactive approach helps in identifying potential issues before they manifest in real-world applications.In conclusion, the concept of noise margin plays a vital role in the design and operation of electronic systems. It provides a measure of how much noise a system can tolerate while maintaining signal integrity. By understanding and optimizing the noise margin, engineers can enhance the reliability and performance of their systems, ultimately leading to better communication and data processing capabilities. As technology continues to advance, the importance of managing noise margin will only grow, making it an essential area of focus for professionals in the field of electronics and communications.

在电子和通信系统领域，理解噪声裕度的概念对于确保可靠的性能至关重要。噪声裕度一词指的是系统能够容忍的噪声量，超出该量就会影响传输或处理信号的完整性。本质上，它衡量的是实际信号电平与被认为有效的信号阈值之间的差异。较高的噪声裕度表示更强大的系统，能够处理更大的干扰水平而不妨碍数据完整性。为了进一步说明这一点，让我们考虑一个数字通信系统。在这样的系统中，信号通常以二进制形式表示，两个不同的电压水平对应于“0”和“1”的二进制状态。当这些信号通过介质传输时，它们可能会受到各种形式的噪声的影响，例如电磁干扰或热噪声，这可能会扭曲信号。噪声裕度作为这种扭曲的缓冲区，使接收器能够在存在噪声的情况下准确解释传输的信号。例如，如果表示“1”的电压水平为5伏特，而表示“0”的电压水平为0伏特，则区分这两个状态的理想阈值可能设定为2.5伏特。如果实际电压水平由于噪声而波动但仍保持在某个范围内，系统仍然可以正确识别预期信号。识别“1”的最低电压和允许“0”的最大电压之间的差异定义了噪声裕度。这个裕度提供了一个指标，表明系统在发生错误之前可以承受多少噪声。噪声裕度的重要性不仅限于数字通信；在模拟电路和系统中也同样相关。在模拟系统中，信号可以连续变化，噪声裕度的概念有助于确定信号传输的质量和可靠性。工程师通常设计适当的噪声裕度水平的电路，以确保系统在不同操作条件下的最佳性能。此外，噪声裕度不是一个静态值；它会受到温度、元件老化和环境条件等多种因素的影响。因此，工程师在电路开发的设计和测试阶段定期评估和调整噪声裕度是至关重要的。这种主动的方法有助于在实际应用中潜在问题显现之前识别出来。总之，噪声裕度的概念在电子系统的设计和操作中起着至关重要的作用。它提供了一个指标，表明系统能够容忍多少噪声，同时保持信号的完整性。通过理解和优化噪声裕度，工程师可以增强其系统的可靠性和性能，最终提升通信和数据处理能力。随着技术的不断进步，管理噪声裕度的重要性只会增加，这使其成为电子和通信领域专业人士关注的关键领域。