noise power

简明释义

噪声功率

英英释义

例句

1.To improve signal clarity, we need to reduce the noise power 噪声功率 in our communication system.

为了提高信号清晰度，我们需要减少通信系统中的 noise power 噪声功率。

2.Engineers often measure the noise power 噪声功率 to optimize the design of audio equipment.

工程师们通常测量 noise power 噪声功率 以优化音频设备的设计。

3.In wireless communications, the noise power 噪声功率 can limit the maximum data rate achievable.

在无线通信中，noise power 噪声功率 会限制可达到的最大数据速率。

4.Calculating the noise power 噪声功率 helps in determining the signal-to-noise ratio (SNR).

计算 noise power 噪声功率 有助于确定信噪比（SNR）。

5.The receiver's performance can be significantly affected by the noise power 噪声功率 in the environment.

接收器的性能会受到环境中 噪声功率 噪声功率 的显著影响。

作文

In the world of electronics and communication, the term noise power refers to the power of unwanted signals that interfere with the desired signal. This concept is crucial in understanding how systems operate, especially in environments where multiple signals are present. Noise power can significantly affect the performance of communication systems, leading to degraded signal quality and reduced data transmission rates. To comprehend noise power, we must first understand what noise is. Noise can be defined as any random signal that contributes no useful information to the communication process. It can arise from various sources, including thermal fluctuations in electronic components, electromagnetic interference from other devices, and even cosmic radiation. The cumulative effect of these unwanted signals is what we refer to as noise power. One of the primary challenges engineers face is minimizing noise power to enhance the clarity of the desired signal. This is particularly important in wireless communication systems, where signals must travel through various mediums and may encounter obstacles that introduce additional noise. Techniques such as filtering, error correction, and modulation schemes are employed to combat the effects of noise power. For instance, in a typical radio communication system, the receiver must distinguish between the intended signal and the background noise. If the noise power is too high relative to the signal power, the receiver may struggle to decode the message accurately. This situation is quantified using the Signal-to-Noise Ratio (SNR), which compares the level of the desired signal to the level of noise. A higher SNR indicates a clearer signal, while a lower SNR suggests that noise power is overpowering the signal. Moreover, understanding noise power is vital in designing efficient communication networks. Engineers often conduct simulations to predict the impact of noise power on system performance. By analyzing different scenarios, they can develop strategies to mitigate noise impacts, ensuring reliable communication even in challenging conditions. In summary, noise power plays a significant role in the field of communications and electronics. It represents the unwanted signals that can disrupt the transmission and reception of information. By employing various techniques to manage and reduce noise power, engineers can improve the performance of communication systems, leading to more reliable and efficient data transmission. As technology continues to advance, the importance of understanding and controlling noise power will only grow, highlighting the need for ongoing research and innovation in this area.

在电子和通信的世界中，术语噪声功率指的是干扰所需信号的无用信号的功率。这个概念对于理解系统的操作至关重要，特别是在存在多个信号的环境中。噪声功率会显著影响通信系统的性能，导致信号质量下降和数据传输速率降低。为了理解噪声功率，我们必须首先了解噪声是什么。噪声可以定义为任何随机信号，它对通信过程不提供有用的信息。它可能来自各种来源，包括电子元件中的热波动、其他设备的电磁干扰，甚至是宇宙辐射。这些无用信号的累积效应就是我们所称的噪声功率。工程师面临的主要挑战之一是最小化噪声功率以增强所需信号的清晰度。这在无线通信系统中特别重要，因为信号必须通过各种介质传播，并可能遇到引入额外噪声的障碍。过滤、错误校正和调制方案等技术被用来对抗噪声功率的影响。例如，在典型的无线电通信系统中，接收器必须区分预期信号和背景噪声。如果噪声功率相对于信号功率过高，接收器可能难以准确解码信息。这个情况通过信噪比（SNR）来量化，该比率比较了所需信号的水平与噪声的水平。较高的SNR表示信号更清晰，而较低的SNR则表明噪声功率正在压倒信号。此外，理解噪声功率在设计高效通信网络中至关重要。工程师通常进行模拟，以预测噪声功率对系统性能的影响。通过分析不同的场景，他们可以制定减轻噪声影响的策略，确保即使在困难条件下也能可靠地通信。总之，噪声功率在通信和电子领域中发挥着重要作用。它代表了可能干扰信息传输和接收的无用信号。通过采用各种技术来管理和减少噪声功率，工程师可以提高通信系统的性能，从而实现更可靠和高效的数据传输。随着技术的不断进步，理解和控制噪声功率的重要性只会增加，这突显了在这一领域持续研究和创新的必要性。