minimum detectable signal power

简明释义

最小可测信号功率

英英释义

例句

1.Engineers must calculate the minimum detectable signal power 最小可检测信号功率 to optimize the performance of radar systems.

工程师必须计算 最小可检测信号功率 以优化雷达系统的性能。

2.In a wireless communication system, the minimum detectable signal power 最小可检测信号功率 is crucial for ensuring reliable data transmission.

在无线通信系统中，最小可检测信号功率 对于确保可靠的数据传输至关重要。

3.Testing equipment is used to determine the minimum detectable signal power 最小可检测信号功率 for various frequency bands.

测试设备用于确定各种频段的 最小可检测信号功率 。

4.The minimum detectable signal power 最小可检测信号功率 affects the range of satellite communications.

最小可检测信号功率 影响卫星通信的范围。

5.A lower minimum detectable signal power 最小可检测信号功率 allows for better signal reception in challenging environments.

较低的 最小可检测信号功率 允许在挑战性环境中更好地接收信号。

作文

In the realm of telecommunications and signal processing, understanding the concept of minimum detectable signal power is crucial for optimizing communication systems. The minimum detectable signal power refers to the lowest level of signal power that can be reliably detected by a receiver in the presence of noise. This parameter is essential because it determines the sensitivity of the receiver and directly impacts the overall performance of any communication system. To grasp the significance of minimum detectable signal power, one must first consider the environment in which signals are transmitted. In various applications, such as satellite communications, cellular networks, and wireless local area networks (WLANs), signals often encounter interference from background noise. This noise can stem from natural sources, like cosmic radiation, or from man-made devices, such as electronic equipment. Therefore, the ability to detect a signal amidst this noise becomes paramount.The minimum detectable signal power is influenced by several factors, including the type of modulation used, the bandwidth of the signal, and the noise figure of the receiver. For instance, a receiver with a high-quality design and low noise figure will be able to detect weaker signals compared to a standard receiver. Additionally, different modulation schemes have varying robustness against noise, which also plays a role in determining the minimum detectable signal power. In practical scenarios, engineers often use the minimum detectable signal power to calculate the link budget of a communication system. The link budget is a critical assessment that accounts for all gains and losses in a transmission path. By incorporating the minimum detectable signal power into the link budget, engineers can ensure that the transmitted signal strength is sufficient for reliable detection at the receiver end.Moreover, advancements in technology continue to push the boundaries of what can be achieved in terms of minimum detectable signal power. With the development of more sensitive receivers and sophisticated signal processing techniques, it has become possible to detect signals that were previously undetectable. This has significant implications for various fields, such as deep-space communication, where signals from distant spacecraft are incredibly weak and require advanced technology to be received successfully.In conclusion, the concept of minimum detectable signal power is fundamental to the field of telecommunications. It not only affects the design and functionality of communication systems but also influences the overall user experience. As technology continues to evolve, our understanding and capability to work with minimum detectable signal power will undoubtedly improve, leading to more efficient and reliable communication systems across the globe. Understanding this concept allows engineers and researchers to innovate and enhance the way we connect and communicate, making it an essential aspect of modern technology.

在电信和信号处理领域，理解最小可检测信号功率的概念对于优化通信系统至关重要。最小可检测信号功率是指在噪声的影响下，接收器能够可靠检测到的最低信号功率水平。这个参数是非常重要的，因为它决定了接收器的灵敏度，并直接影响任何通信系统的整体性能。为了理解最小可检测信号功率的重要性，首先必须考虑信号传输的环境。在各种应用中，例如卫星通信、蜂窝网络和无线局域网（WLAN），信号通常会受到背景噪声的干扰。这种噪声可能来自自然源，如宇宙辐射，或来自人造设备，如电子设备。因此，在这些噪声中检测信号的能力变得至关重要。最小可检测信号功率受多个因素的影响，包括使用的调制类型、信号带宽和接收器的噪声系数。例如，设计优良且噪声系数低的接收器能够检测到比标准接收器更弱的信号。此外，不同的调制方案对噪声的鲁棒性不同，这也在一定程度上决定了最小可检测信号功率。在实际场景中，工程师们常常利用最小可检测信号功率来计算通信系统的链接预算。链接预算是一个关键评估，考虑了传输路径中的所有增益和损失。通过将最小可检测信号功率纳入链接预算，工程师可以确保发射的信号强度足以在接收端可靠检测。此外，技术的进步不断推动着最小可检测信号功率的实现边界。随着更灵敏的接收器和复杂信号处理技术的发展，检测到之前无法检测到的信号成为可能。这对各个领域都有重要意义，例如深空通信，其中来自遥远航天器的信号极其微弱，需要先进技术才能成功接收。总之，最小可检测信号功率的概念是电信领域的基础。它不仅影响通信系统的设计和功能，还影响整体用户体验。随着技术的不断发展，我们对最小可检测信号功率的理解和能力无疑会得到提升，从而导致全球范围内更高效、更可靠的通信系统。理解这一概念使工程师和研究人员能够创新和增强我们连接和沟通的方式，使其成为现代技术的一个重要方面。