passive jamming

简明释义

无源干扰

英英释义

例句

1.In urban areas, passive jamming can be effective due to the abundance of reflective surfaces.

在城市地区，由于反射面丰富，被动干扰可能非常有效。

2.Engineers designed a system that utilizes passive jamming to enhance communication security.

工程师设计了一个利用被动干扰来增强通信安全性的系统。

3.The military uses passive jamming to disrupt enemy radar systems without active interference.

军方使用被动干扰来干扰敌方雷达系统，而不进行主动干扰。

4.Using passive jamming, the team was able to mask their location from surveillance drones.

通过使用被动干扰，团队能够掩盖他们在监视无人机下的位置。

5.The concept of passive jamming is crucial for stealth technology in modern aircraft.

在现代飞机的隐身技术中，被动干扰的概念至关重要。

作文

In the realm of electronic warfare and signal interference, the term passive jamming refers to a method of disrupting communication signals without actively transmitting any signals of its own. Instead, it relies on the natural properties of materials or structures to absorb, reflect, or scatter incoming signals. This technique is particularly useful in military applications where stealth and subtlety are paramount. By utilizing passive jamming, forces can effectively hinder enemy communications while minimizing their own exposure to detection.The concept of passive jamming can be illustrated through various scenarios. For instance, consider a battlefield where enemy forces rely heavily on radio communications. If a military unit strategically places materials that have high electromagnetic absorption characteristics, such as specially designed fabrics or foams, around their base, they can significantly reduce the effectiveness of enemy radar and communication systems. The incoming signals are absorbed rather than reflected back, making it difficult for adversaries to pinpoint the location of friendly units.Another example of passive jamming can be found in urban environments, where buildings and other structures can serve as natural barriers to signal propagation. In this context, the layout and construction materials of a city can create zones of interference that disrupt communication signals. For instance, dense concrete structures may scatter or weaken radio waves, creating a form of passive jamming that complicates the enemy's ability to maintain effective communication.The advantages of passive jamming are numerous. First and foremost, it allows for a covert approach to electronic warfare. Unlike active jamming, which broadcasts its own signals and can be easily detected, passive jamming operates silently in the background. This makes it an ideal choice for operations where maintaining the element of surprise is crucial. Additionally, because it does not require energy-intensive transmissions, passive jamming can be more sustainable and less resource-dependent than traditional methods.However, there are limitations to passive jamming as well. Its effectiveness largely depends on the environment and the specific frequencies being targeted. In open areas with fewer obstacles, the impact of passive jamming may be minimal compared to more densely populated or cluttered environments. Furthermore, advancements in technology may lead to more resilient communication systems that can adapt to or overcome the effects of passive jamming.In conclusion, passive jamming represents a fascinating intersection of technology and strategy in the field of electronic warfare. By leveraging the natural properties of materials and the complexities of urban environments, military forces can enhance their operational effectiveness while minimizing their risk of detection. As technology continues to evolve, understanding and implementing passive jamming techniques will remain a critical component of modern military strategy.

在电子战和信号干扰领域，术语passive jamming指的是一种干扰通信信号的方法，它不主动发射任何信号。相反，它依赖于材料或结构的自然特性来吸收、反射或散射进入的信号。这种技术在军事应用中尤其有用，因为隐蔽性和微妙性至关重要。通过利用passive jamming，部队可以有效地阻碍敌方通信，同时最小化自身被探测的风险。passive jamming的概念可以通过各种场景进行说明。例如，考虑一个依赖无线电通信的战场。如果一支军事单位在其基地周围战略性地放置具有高电磁吸收特性的材料，如专门设计的面料或泡沫，他们可以显著降低敌方雷达和通信系统的有效性。进入的信号被吸收而不是反射回来，使敌人难以确定友军单位的位置。另一个关于passive jamming的例子可以在城市环境中找到，其中建筑物和其他结构可以作为信号传播的自然屏障。在这种情况下，城市的布局和建筑材料可以创建干扰区，从而干扰通信信号。例如，密集的混凝土结构可能会散射或削弱无线电波，形成一种passive jamming，使敌方保持有效通信变得复杂。passive jamming的优点有很多。首先，它允许对电子战采取隐秘的方法。与主动干扰不同，后者会广播自己的信号并且很容易被探测，passive jamming在后台静默运行。这使得它成为在保持出其不意的关键操作中的理想选择。此外，由于它不需要能量密集型的发射，passive jamming比传统方法更可持续且依赖资源更少。然而，passive jamming也有其局限性。它的有效性在很大程度上取决于环境和目标频率。在开放区域，障碍物较少时，passive jamming的影响可能相对较小，而在更密集或杂乱的环境中则可能更为显著。此外，技术的进步可能导致更具韧性的通信系统，这些系统能够适应或克服passive jamming的影响。总之，passive jamming代表了电子战领域技术与战略的迷人交汇点。通过利用材料的自然特性和城市环境的复杂性，军事力量可以增强其作战效能，同时最小化被探测的风险。随着技术的不断发展，理解和实施passive jamming技术将继续成为现代军事战略的重要组成部分。