heliograph

简明释义

英[ˈhiːliəɡrɑːf]美[ˈhiːliəɡræf]

n. 太阳摄影机；日光反射信号器；照相制版

vi. 用日光反射信号器发送信息

vt. 用太阳摄影机拍摄；用日光反射信号器发送

复 数 h e l i o g r a p h s

第 三 人 称 单 数 h e l i o g r a p h s

现 在 分 词 h e l i o g r a p h i n g

过 去 式 h e l i o g r a p h e d

过 去 分 词 h e l i o g r a p h e d

英英释义

单词用法

同义词

反义词

例句

1.By using data of Nobeyama radio heliograph, we calculate value of magnetic field in lower corona in some active region from thermal bremsstrahlung, and preliminary result has been obtained.

利用Nobeyama射电日像仪的观测资料，以热轫致辐射机制为基础对一些活动区的高层大气磁场进行了估算，得到了一些初步的结果。

2.The feature of optical fiber transmission system and its effect on the solar radio heliograph are analyzed in this article.

分析了光纤传输系统的特性，及其对太阳射电频谱日像仪的影响。

3.By using data of Nobeyama radio heliograph, we calculate value of magnetic field in lower corona in some active region from thermal bremsstrahlung, and preliminary result has been obtained.

利用Nobeyama射电日像仪的观测资料，以热轫致辐射机制为基础对一些活动区的高层大气磁场进行了估算，得到了一些初步的结果。

4.During the war, soldiers relied on a heliograph 日光通信器 to communicate silently with their units.

在战争期间，士兵们依靠heliograph 日光通信器 与他们的部队进行无声沟通。

5.The invention of the heliograph 日光通信器 revolutionized long-distance communication in the 19th century.

在19世纪，heliograph 日光通信器 的发明彻底改变了远程通信。

6.The scout set up a heliograph 日光通信器 on the hill to signal the approaching enemy.

侦察员在山上设置了一个heliograph 日光通信器 来向即将到来的敌人发信号。

7.With a heliograph 日光通信器, you can transmit messages using sunlight and mirrors.

使用heliograph 日光通信器，你可以利用阳光和镜子传递信息。

8.The ancient Romans used a heliograph 日光通信器 to send messages over long distances.

古罗马人使用heliograph 日光通信器 来发送远距离的信息。

作文

The concept of communication has evolved significantly over the centuries, transitioning from simple gestures to complex digital systems. One fascinating method of communication that emerged in the 19th century is the use of a heliograph, a device that utilizes sunlight to send messages over long distances. The heliograph works by reflecting sunlight using a mirror, allowing the operator to create signals through flashes of light. This innovative technology was particularly useful in military operations, where rapid and discreet communication was essential. The heliograph was first developed for practical use during the mid-1800s and quickly gained popularity due to its effectiveness. It was especially valuable in remote areas where traditional communication methods, such as telegraph wires, were impractical or impossible to implement. By using the sun's rays, operators could transmit messages without the need for physical infrastructure, making it an ideal solution for various situations.One notable usage of the heliograph was during the American Civil War. Troops stationed in distant locations relied on this device to communicate with one another, coordinating movements and strategies without revealing their positions to the enemy. The simplicity and efficiency of the heliograph allowed for quick exchanges of information, which was crucial in the heat of battle.Additionally, the heliograph played a significant role in exploratory missions. Adventurers and scientists in the late 19th and early 20th centuries utilized this device to communicate across vast and uncharted territories. For example, the famous explorer John C. Frémont employed the heliograph during his expeditions in the American West, signaling to his team and ensuring they remained coordinated despite the challenging conditions.Despite its advantages, the heliograph had its limitations. The effectiveness of the device depended heavily on weather conditions; cloudy days or heavy rain could hinder visibility, rendering the device useless. Moreover, the need for direct sunlight meant that communication could only occur during daylight hours, which restricted its functionality. Nevertheless, the heliograph represented a significant advancement in communication technology at the time and laid the groundwork for future innovations.In modern times, the heliograph may seem obsolete with the advent of more advanced technologies like satellite communication and the internet. However, its principles still resonate in our current understanding of optical communication. The idea of transmitting information using light is foundational to fiber-optic technology, which forms the backbone of global internet connectivity today.In conclusion, the heliograph is a remarkable invention that exemplifies human ingenuity in overcoming communication barriers. Its historical significance in military operations and exploration highlights the importance of effective communication in various fields. While we may have moved on to more sophisticated technologies, the legacy of the heliograph serves as a reminder of the creative solutions that have shaped our world. Understanding this device not only enriches our knowledge of communication history but also inspires us to appreciate the advancements that continue to propel society forward.

通信的概念在几个世纪中经历了显著的演变，从简单的手势转变为复杂的数字系统。19世纪出现的一种有趣的通信方法是使用日光仪，这是一种利用阳光发送远距离信息的设备。日光仪通过使用镜子反射阳光，使操作员能够通过闪光信号来创建信号。这项创新技术在军事行动中尤其有用，因为快速和隐秘的通信至关重要。日光仪于19世纪中叶首次开发用于实际应用，并因其有效性迅速流行。由于在偏远地区传统通信方法（如电报线路）不切实际或不可行，它特别有价值。通过利用太阳的光线，操作员可以在没有物理基础设施的情况下传输消息，这使其成为各种情况的理想解决方案。日光仪的一个显著用途是在美国内战期间。驻扎在偏远地点的部队依赖这种设备与彼此沟通，协调动作和策略，而不暴露他们的位置给敌人。日光仪的简单性和效率允许快速的信息交换，这在战斗的紧张时刻至关重要。此外，日光仪在探索任务中也发挥了重要作用。19世纪末和20世纪初的冒险家和科学家利用这种设备在广阔而未知的领域进行通信。例如，著名探险家约翰·C·弗里蒙特在他对美国西部的探险中使用了日光仪，向他的团队发信号，确保他们在艰难条件下保持协调。尽管有其优势，日光仪也有其局限性。该设备的有效性在很大程度上依赖于天气条件；阴天或大雨可能会阻碍可见性，使设备无用。此外，对直射阳光的需求意味着通信只能在白天进行，这限制了其功能。然而，日光仪代表了当时通信技术的重要进步，并为未来的创新奠定了基础。在现代，随着卫星通信和互联网等更先进技术的出现，日光仪似乎显得过时。然而，它的原理在我们当前对光通信的理解中仍然引起共鸣。利用光传输信息的理念是光纤技术的基础，光纤技术构成了当今全球互联网连接的支柱。总之，日光仪是一项卓越的发明，体现了人类在克服通信障碍方面的聪明才智。它在军事行动和探索中的历史重要性突显了在各个领域有效沟通的重要性。尽管我们可能已经转向更复杂的技术，但日光仪的遗产提醒我们创造性解决方案塑造了我们的世界。理解这一设备不仅丰富了我们对通信历史的知识，也激励我们欣赏继续推动社会前进的进步。