carrier to noise ratio

简明释义

载波信噪比

英英释义

例句

1.The engineer measured the carrier to noise ratio 载噪比 to determine the quality of the signal.

工程师测量了载噪比 carrier to noise ratio以确定信号的质量。

2.A higher carrier to noise ratio 载噪比 indicates a clearer communication channel.

更高的载噪比 carrier to noise ratio表示通信通道更清晰。

3.The telecommunications company aims for a carrier to noise ratio 载噪比 of at least 30 dB.

这家电信公司旨在达到至少30 dB的载噪比 carrier to noise ratio。

4.During the test, we observed that the carrier to noise ratio 载噪比 dropped significantly in bad weather.

在测试中，我们观察到在恶劣天气下载噪比 carrier to noise ratio显著下降。

5.To improve the system, we need to increase the carrier to noise ratio 载噪比 by adjusting the antennas.

为了改善系统，我们需要通过调整天线来提高载噪比 carrier to noise ratio。

作文

In the world of telecommunications and signal processing, one of the most critical concepts is the carrier to noise ratio. This term refers to the level of a desired signal (the carrier) compared to the level of background noise. The carrier to noise ratio is typically measured in decibels (dB) and serves as a vital indicator of the quality and reliability of a communication system. A higher carrier to noise ratio indicates clearer and more reliable signals, while a lower ratio suggests that noise is interfering with the communication, leading to potential misunderstandings or loss of information.Understanding the importance of the carrier to noise ratio can be illustrated through everyday experiences with technology. For instance, when making a phone call in a quiet room, the conversation is clear, and both parties can easily understand each other. In this scenario, the carrier to noise ratio is high, as the voice signal is strong compared to any background noise. However, if one were to make the same call in a crowded café, the background chatter and clinking of cups would create noise that interferes with the conversation. Here, the carrier to noise ratio has decreased, leading to difficulty in understanding the other person.The implications of the carrier to noise ratio extend beyond just phone calls. In data transmission, for example, a high carrier to noise ratio allows for faster and more reliable data transfer. This is particularly important in applications such as streaming video or online gaming, where interruptions can significantly affect user experience. Engineers and technicians often strive to improve the carrier to noise ratio in their systems by using various techniques, such as signal amplification, filtering out unwanted noise, and optimizing the placement of antennas.Moreover, the carrier to noise ratio is not only relevant in telecommunications but also plays a crucial role in fields like audio engineering, broadcasting, and even medical imaging. In audio recordings, for instance, a high carrier to noise ratio ensures that the music or spoken word is captured clearly without unwanted hiss or hum. Similarly, in broadcasting, maintaining a good carrier to noise ratio is essential for delivering high-quality radio or television signals to audiences.In conclusion, the carrier to noise ratio is a fundamental concept in understanding the quality of communication systems. It serves as a benchmark for assessing how well a signal can be transmitted without interference from noise. As technology continues to advance, the importance of maintaining a high carrier to noise ratio will remain paramount in ensuring effective communication across various platforms. Whether it's a simple phone call or complex data transmission, the clarity of our interactions often hinges on the balance between the carrier and the noise around us. Therefore, recognizing and improving the carrier to noise ratio is essential for enhancing our communication experiences in an increasingly noisy world.

在电信和信号处理的世界中，最关键的概念之一是载波与噪声比。这个术语指的是所需信号（载波）与背景噪声水平之间的关系。载波与噪声比通常以分贝（dB）为单位进行测量，并作为通信系统质量和可靠性的一个重要指标。较高的载波与噪声比表示信号更清晰且更可靠，而较低的比率则表明噪声干扰了通信，可能导致误解或信息丢失。理解载波与噪声比的重要性可以通过日常技术体验来说明。例如，在安静的房间里打电话时，谈话非常清晰，双方都能轻松理解对方。在这种情况下，载波与噪声比很高，因为声音信号相对于任何背景噪声都很强。然而，如果在喧闹的咖啡馆打同样的电话，背景的聊天声和杯子的碰撞声会产生噪声，干扰谈话。在这里，载波与噪声比降低了，导致很难理解对方。载波与噪声比的影响不仅限于电话通话。在数据传输中，例如，高载波与噪声比允许更快和更可靠的数据传输。这在视频流或在线游戏等应用中尤为重要，因为中断会显著影响用户体验。工程师和技术人员通常努力通过使用各种技术来改善他们系统中的载波与噪声比，例如信号放大、过滤掉不必要的噪声以及优化天线的位置。此外，载波与噪声比不仅在电信中相关，还在音频工程、广播甚至医学成像等领域发挥着至关重要的作用。在音频录音中，例如，高载波与噪声比确保音乐或语音被清晰捕捉，而不受不必要的嘶嘶声或嗡嗡声的影响。同样，在广播中，保持良好的载波与噪声比对于向观众提供高质量的广播或电视信号至关重要。总之，载波与噪声比是理解通信系统质量的基本概念。它作为评估信号在没有噪声干扰的情况下能够多好地传输的基准。随着技术的不断进步，保持高载波与噪声比的重要性将继续在确保各种平台上有效通信方面占据重要地位。无论是简单的电话通话还是复杂的数据传输，我们的互动清晰度往往取决于载波与周围噪声之间的平衡。因此，认识到并改善载波与噪声比对于提升我们在日益嘈杂的世界中的沟通体验至关重要。