passive detection and ranging

简明释义

无源探测定位系统

英英释义

例句

1.Astronomers utilize passive detection and ranging methods to study celestial bodies by analyzing the light they emit.

天文学家利用被动探测与测距方法通过分析天体发出的光来研究它们。

2.The new drone technology incorporates passive detection and ranging for enhanced reconnaissance missions.

新型无人机技术结合了被动探测与测距以增强侦察任务。

3.In wildlife research, scientists use passive detection and ranging techniques to monitor animal populations without disturbing them.

在野生动物研究中，科学家使用被动探测与测距技术监测动物种群，而不打扰它们。

4.Maritime surveillance systems often rely on passive detection and ranging to identify ships without active sonar.

海洋监视系统通常依赖于被动探测与测距来识别船只，而不使用主动声纳。

5.The military employs passive detection and ranging to track enemy movements without revealing their own position.

军方利用被动探测与测距追踪敌方动向，而不暴露自己的位置。

作文

In the world of modern technology, the ability to detect and measure distances without direct interaction with the target has become increasingly important. One such method that exemplifies this capability is passive detection and ranging. This technique allows for the identification and localization of objects in a given environment by analyzing the signals they emit or reflect, without the need for active interrogation from the detecting system. Passive detection and ranging can be particularly useful in various fields, including military applications, environmental monitoring, and even in everyday consumer technology.The fundamental principle behind passive detection and ranging lies in its reliance on existing signals in the environment. For instance, in military operations, this technique can be employed to detect enemy movements through the analysis of sound or electromagnetic waves emitted by vehicles or personnel. Unlike traditional radar systems, which actively send out signals and wait for their reflection, passive detection and ranging listens for signals that are already present. This not only enhances stealth capabilities but also allows for a broader range of detection over long distances.Moreover, passive detection and ranging can be applied in environmental studies where researchers monitor wildlife without disturbing their natural habitats. By utilizing audio sensors to capture animal calls or using infrared sensors to detect heat signatures, scientists can gather valuable data about species behavior and population dynamics without direct interference. This non-invasive approach is crucial for conservation efforts, as it provides insights while minimizing human impact on ecosystems.In the realm of consumer technology, passive detection and ranging is becoming more prevalent with the rise of smart home devices. For example, motion sensors that detect changes in infrared radiation can tell whether a room is occupied or not, allowing for energy-efficient practices such as automatic lighting control. These applications showcase how passive detection and ranging not only improves convenience but also promotes sustainability.Despite its advantages, passive detection and ranging does come with its challenges. The effectiveness of this method heavily relies on the ambient conditions and the type of signals available in the environment. For instance, in urban areas filled with noise pollution, distinguishing between relevant signals and background noise can be quite difficult. Additionally, the resolution of the detected signals may not always provide precise location data, leading to potential ambiguities in object positioning.As technology continues to advance, the potential applications of passive detection and ranging are likely to expand. Innovations in sensor technology, data processing algorithms, and machine learning could enhance the accuracy and reliability of this method. Furthermore, integrating passive detection and ranging with other technologies, such as artificial intelligence, could lead to more sophisticated systems capable of real-time analysis and decision-making.In conclusion, passive detection and ranging represents a significant advancement in the way we perceive and interact with our surroundings. Its ability to detect and measure distances without direct engagement opens up new possibilities across various sectors. As we continue to explore and refine this technology, it will undoubtedly play a crucial role in shaping the future of detection and monitoring systems, making them more efficient, discreet, and environmentally friendly.

在现代科技的世界里，能够在不直接与目标互动的情况下检测和测量距离变得越来越重要。其中一个典型的方法就是被动探测和测距。这种技术通过分析目标发出的信号或反射的信号来识别和定位环境中的物体，而无需检测系统主动询问。被动探测和测距在军事应用、环境监测甚至日常消费科技等多个领域都特别有用。被动探测和测距的基本原理在于其依赖于环境中现有信号。例如，在军事行动中，这种技术可以通过分析车辆或人员发出的声音或电磁波来探测敌方的移动。与传统雷达系统不同，后者主动发送信号并等待其反射，被动探测和测距则是监听已经存在的信号。这不仅增强了隐蔽能力，还允许在较远距离上进行更广泛的探测。此外，被动探测和测距还可以应用于环境研究，研究人员可以在不干扰野生动物自然栖息地的情况下进行监测。通过利用音频传感器捕捉动物叫声或使用红外传感器检测热量特征，科学家可以收集有关物种行为和种群动态的宝贵数据，而不会直接干扰。这种非侵入性的方法对于保护工作至关重要，因为它在最小化人类对生态系统影响的同时提供了见解。在消费科技领域，随着智能家居设备的兴起，被动探测和测距变得越来越普遍。例如，检测红外辐射变化的运动传感器可以判断房间是否有人，从而实现自动照明控制等节能做法。这些应用展示了被动探测和测距如何不仅提高便利性，还促进可持续发展。尽管有其优势，被动探测和测距也面临着一些挑战。这种方法的有效性在很大程度上依赖于环境条件和可用信号的类型。例如，在充满噪音污染的城市地区，区分相关信号和背景噪音可能非常困难。此外，检测信号的分辨率可能并不总是提供精确的位置数据，导致物体定位可能出现模糊。随着科技的不断进步，被动探测和测距的潜在应用可能会不断扩展。传感器技术、数据处理算法和机器学习的创新可能会提高这种方法的准确性和可靠性。此外，将被动探测和测距与其他技术（如人工智能）结合，可能会导致更复杂的系统，能够实时分析和决策。总之，被动探测和测距代表了我们感知和与周围环境互动方式的重要进步。它在不直接接触的情况下检测和测量距离的能力为各个行业开辟了新的可能性。随着我们继续探索和完善这项技术，它无疑将在塑造未来的探测和监测系统方面发挥关键作用，使其更加高效、隐蔽和环保。