sonar signalling

简明释义

声纳信号装置

英英释义

例句

1.The marine biologist explained how sonar signalling helps in studying dolphin communication.

海洋生物学家解释了声纳信号如何帮助研究海豚的交流。

2.The research vessel employed sonar signalling to map the ocean floor.

研究船使用声纳信号绘制海底地图。

3.In naval warfare, sonar signalling is crucial for detecting enemy submarines.

在海军战争中，声纳信号对于探测敌方潜艇至关重要。

4.The submarine utilized sonar signalling to detect nearby vessels.

潜艇利用声纳信号探测附近的船只。

5.During the training exercise, the team practiced sonar signalling for improved communication underwater.

在训练演习中，团队练习了声纳信号以提高水下通信。

作文

In the vast expanse of the ocean, communication is often a challenge due to the unique properties of water. One of the most fascinating methods that marine animals and human technologies use for communication and navigation is through sonar signalling. 声呐信号 refers to the use of sound propagation to detect objects underwater, measure distances, and communicate with other entities. This method has become essential not only in marine biology but also in naval operations and underwater exploration.Marine creatures, such as dolphins and whales, have evolved sophisticated ways to utilize sonar signalling. They emit sounds that travel through water, bouncing off objects and returning to the sender, which allows them to create a mental map of their surroundings. This biological sonar is known as echolocation. For example, when a dolphin clicks its tongue, the sound waves travel until they hit an object, such as a fish or a rock, and then return. By analyzing the time it takes for the sound to return, the dolphin can determine how far away the object is and even its size and shape. This ability is crucial for hunting, navigating, and social interactions among these intelligent creatures.On the technological side, humans have harnessed the principles of sonar signalling to develop devices that can explore the depths of the ocean. Sonar systems work by sending out sound waves and listening for echoes. These systems can be active or passive. Active sonar emits sound pulses and measures the time it takes for the echoes to return, while passive sonar listens for sounds made by objects, such as submarines or schools of fish. The information gathered from sonar systems is invaluable for various applications, including mapping the ocean floor, locating shipwrecks, and aiding in search and rescue operations.The significance of sonar signalling extends beyond mere navigation and communication; it plays a critical role in environmental monitoring and conservation efforts. Scientists use sonar technology to study marine ecosystems, track fish populations, and assess the health of coral reefs. By understanding how different species interact and how human activities impact these environments, researchers can develop strategies to protect and preserve marine biodiversity.However, the use of sonar signalling is not without its controversies. Some studies suggest that the loud noises generated by sonar systems can disrupt marine life, particularly during breeding and feeding seasons. Whales and dolphins, which rely heavily on sound for communication, may become disoriented or even strand themselves on beaches due to the interference caused by human-made sonar. This has led to calls for more regulated use of sonar technology, balancing the needs of human exploration with the protection of marine habitats.In conclusion, sonar signalling is a remarkable method of communication and navigation that has profound implications for both marine life and human activities. Understanding this concept allows us to appreciate the intricate ways in which animals interact with their environment and highlights the importance of responsible use of technology in our oceans. As we continue to explore the depths of the sea, it is crucial that we remain mindful of the delicate balance between innovation and conservation, ensuring that we protect the very ecosystems that inspire our advancements in science and technology.

在广袤的海洋中，由于水的独特性质，沟通常常是一项挑战。海洋动物和人类技术所使用的一种最迷人的沟通和导航方法是通过声呐信号。声呐信号是指利用声波传播来探测水下物体、测量距离以及与其他实体进行通信。这种方法不仅在海洋生物学中变得至关重要，而且在海军行动和水下探索中也发挥着重要作用。海洋生物，如海豚和鲸鱼，已经进化出复杂的方式来利用声呐信号。它们发出声音，这些声音在水中传播，碰撞到物体后返回给发声者，从而使它们能够创建周围环境的心理地图。这种生物声呐被称为回声定位。例如，当海豚发出点击声时，声波会传播，直到碰到一个物体，比如一条鱼或一块岩石，然后返回。通过分析声音返回所需的时间，海豚可以确定物体的距离，甚至其大小和形状。这种能力对于捕猎、导航和这些聪明生物之间的社交互动至关重要。在技术方面，人类利用声呐信号的原理开发了可以探索海洋深处的设备。声呐系统通过发送声波并监听回声来工作。这些系统可以是主动的或被动的。主动声呐发出声脉冲，并测量回声返回所需的时间，而被动声呐则监听物体发出的声音，例如潜艇或鱼群。从声呐系统收集的信息在多种应用中都是无价的，包括绘制海底地图、定位沉船以及协助搜索和救援行动。声呐信号的重要性超越了单纯的导航和通信；它在环境监测和保护工作中发挥着关键作用。科学家使用声呐技术研究海洋生态系统，跟踪鱼类种群，并评估珊瑚礁的健康状况。通过理解不同物种之间的相互作用以及人类活动对这些环境的影响，研究人员可以制定保护和维护海洋生物多样性的策略。然而，使用声呐信号并非没有争议。一些研究表明，声呐系统产生的巨大噪音可能会干扰海洋生物，特别是在繁殖和觅食季节。依赖声音进行交流的鲸鱼和海豚可能会因人造声呐造成的干扰而迷失方向，甚至搁浅在海滩上。这导致人们呼吁更加规范地使用声呐技术，以平衡人类探索的需求和海洋栖息地的保护。总之，声呐信号是一种引人注目的沟通和导航方法，对海洋生物和人类活动都有深远的影响。理解这一概念使我们能够欣赏动物与环境之间复杂的互动方式，并突显了我们在海洋中负责任地使用技术的重要性。随着我们继续探索海洋深处，保持对创新与保护之间微妙平衡的意识至关重要，确保我们保护那些激励我们科学和技术进步的生态系统。