passive detection

简明释义

无源检波

英英释义

Passive detection refers to the process of identifying or monitoring signals, activities, or objects without actively engaging or interacting with them, typically using sensors or observation techniques.

被动检测是指在不主动参与或与信号、活动或物体互动的情况下,使用传感器或观察技术识别或监测信号、活动或物体的过程。

例句

1.The network security team implemented passive detection tools to analyze traffic patterns for potential threats.

网络安全团队实施了被动检测工具,以分析流量模式以识别潜在威胁。

2.In wildlife studies, researchers often use passive detection methods to track animal movements through camera traps.

在野生动物研究中,研究人员通常使用被动检测方法通过相机陷阱追踪动物的运动。

3.The security system employs passive detection to monitor unauthorized access without alerting intruders.

安全系统采用被动检测来监控未经授权的访问而不警告入侵者。

4.The passive detection of vibrations can help engineers assess structural integrity without intrusive methods.

对振动的被动检测可以帮助工程师在不侵入性的方法下评估结构完整性。

5.Using passive detection, the system can identify environmental changes without active monitoring.

通过使用被动检测,系统可以在没有主动监测的情况下识别环境变化。

作文

In the modern world, technology plays a crucial role in various fields, including security and surveillance. One of the most interesting concepts in this domain is passive detection, which refers to the ability to identify or monitor targets without actively engaging with them or alerting them to the presence of the monitoring system. This technique has become increasingly important in many applications, from military operations to wildlife conservation. Understanding passive detection can provide insights into how we can improve our methods of observation and data collection while minimizing disturbance to the subjects being monitored.The essence of passive detection lies in its unobtrusive nature. Unlike active detection methods, which may involve direct interaction or engagement, passive detection relies on observing natural behaviors or signals emitted by the target. For instance, in the context of wildlife research, scientists often use camera traps to capture images of animals without their knowledge. These devices remain hidden and take photographs when they detect motion, allowing researchers to study animal behavior without influencing it. This approach not only yields valuable data but also helps in conserving wildlife by reducing human interference.In military applications, passive detection is equally significant. Surveillance systems that utilize passive detection can monitor enemy movements and activities without revealing their own position. For example, radar systems can pick up signals from aircraft or missiles without emitting any signals themselves. This stealthy method allows for gathering intelligence while maintaining a strategic advantage over adversaries. The effectiveness of passive detection in military contexts underscores its importance in national security and defense strategies.Moreover, passive detection techniques are also being integrated into smart city initiatives. Urban planners and engineers are increasingly utilizing sensors that passively collect data about traffic patterns, air quality, and noise levels. By analyzing this data, city officials can make informed decisions to enhance urban living conditions, improve infrastructure, and promote sustainability. The non-intrusive nature of these sensors ensures that citizens are not disturbed while still providing critical information for urban development.Despite its many advantages, passive detection does raise ethical considerations. The ability to monitor individuals or groups without their consent can lead to privacy concerns. As technology continues to advance, it is essential to strike a balance between the benefits of passive monitoring and the rights of individuals to maintain their privacy. Regulations and guidelines must be established to govern the use of passive detection technologies, ensuring that they are used responsibly and ethically.In conclusion, passive detection is a powerful tool that offers numerous benefits across various fields, including wildlife research, military surveillance, and urban planning. Its unobtrusive nature allows for effective monitoring while minimizing disruption to the subjects being observed. However, as we embrace these technologies, we must remain vigilant about the ethical implications they present. By fostering a responsible approach to passive detection, we can harness its potential while safeguarding individual privacy and rights.

在现代社会,技术在各个领域中发挥着至关重要的作用,包括安全和监控。在这个领域中,一个非常有趣的概念是被动检测,它指的是识别或监控目标的能力,而不主动与其互动或警告他们监控系统的存在。这种技术在许多应用中变得越来越重要,从军事行动到野生动物保护。理解被动检测可以为我们提供洞察,帮助我们改进观察和数据收集的方法,同时尽量减少对被监控对象的干扰。被动检测的本质在于其不引人注意的特性。与可能涉及直接互动或参与的主动检测方法不同,被动检测依赖于观察目标自然的行为或发出的信号。例如,在野生动物研究的背景下,科学家们通常使用相机陷阱来捕捉动物的图像,而不让它们知道。这些设备保持隐藏状态,并在检测到运动时拍照,使研究人员能够研究动物行为,而不影响其行为。这种方法不仅产生了有价值的数据,还通过减少人类干扰来帮助保护野生动物。在军事应用中,被动检测同样重要。利用被动检测的监视系统可以在不暴露自身位置的情况下监控敌方的移动和活动。例如,雷达系统可以在不发出任何信号的情况下接收来自飞机或导弹的信号。这种隐秘的方法允许收集情报,同时保持对对手的战略优势。被动检测在军事背景下的有效性强调了它在国家安全和防御战略中的重要性。此外,被动检测技术也正在融入智能城市的倡议中。城市规划者和工程师越来越多地利用传感器,主动收集有关交通模式、空气质量和噪音水平的数据。通过分析这些数据,城市官员可以做出明智的决策,以改善城市生活条件、改善基础设施并促进可持续发展。这些传感器的不干扰特性确保公民不会受到干扰,同时仍提供城市发展的关键数据。尽管有许多优点,被动检测确实引发了伦理考虑。无意中监控个人或团体的能力可能会导致隐私问题。随着技术的不断进步,必须在被动监测的好处与个人维护隐私的权利之间找到平衡。必须建立法规和指南来规范被动检测技术的使用,确保它们以负责任和道德的方式使用。总之,被动检测是一种强大的工具,在野生动物研究、军事监视和城市规划等多个领域提供了众多好处。它的不干扰特性允许有效监控,同时尽量减少对被观察对象的干扰。然而,随着我们接受这些技术,我们必须对它们所带来的伦理影响保持警惕。通过对被动检测采取负责任的态度,我们可以利用其潜力,同时保护个人隐私和权利。

相关单词

passive

passive详解:怎么读、什么意思、用法

detection

detection详解:怎么读、什么意思、用法