morse key

简明释义

莫尔斯电键

英英释义

A Morse key is a device used to send Morse code signals by opening and closing an electrical circuit, typically used in telegraphy.

摩尔斯键是一种用于发送摩尔斯电码信号的设备,通过打开和关闭电路来实现,通常用于电报通信。

例句

1.The amateur radio operator tapped out a message using his Morse key.

业余无线电操作员用他的摩尔斯键敲出了一条消息。

2.The Morse key is an essential tool for sending coded messages.

摩尔斯键是发送编码消息的重要工具。

3.In the old days, ships communicated distress signals with a Morse key.

在过去,船只通过摩尔斯键发送求救信号。

4.Learning to use a Morse key can be a rewarding experience for hobbyists.

学习使用摩尔斯键对爱好者来说是一种有益的体验。

5.He practiced his timing on the Morse key to improve his transmission speed.

他在摩尔斯键上练习节奏,以提高传输速度。

作文

The invention of the telegraph in the 19th century marked a significant milestone in communication technology. Among the various components that made this communication revolution possible was the morse key, a simple yet ingenious device that allowed operators to send messages over long distances using a system of dots and dashes. This device was crucial for transmitting Morse code, which was developed by Samuel Morse and Alfred Vail. The morse key itself is a mechanical switch that can be pressed to create an electrical circuit, producing a series of on-off signals that represent letters and numbers.To understand the significance of the morse key, it is essential to appreciate how Morse code works. Each letter of the alphabet is represented by a unique combination of short signals (dots) and long signals (dashes). The operator would tap the morse key in specific patterns to encode messages. For example, the letter 'A' is represented by a dot followed by a dash, while 'B' is represented by a dash followed by three dots. This simplicity allowed for efficient and effective communication, especially in situations where voice communication was not possible.The use of the morse key became widespread during the late 1800s and early 1900s, particularly in maritime communication. Ships at sea relied heavily on Morse code to send distress signals and communicate with each other. The famous SOS signal, universally recognized as a call for help, is a prime example of how the morse key facilitated urgent communication. The SOS signal consists of three dots, followed by three dashes, and then three dots again, making it easy to recognize even in poor conditions.Despite the advent of modern communication technologies such as the telephone and the internet, the morse key still holds a special place in the hearts of many amateur radio operators and enthusiasts. Learning Morse code and using a morse key has become a hobby for many, fostering a sense of community among those who appreciate this historical form of communication. Competitions are held to see who can send and receive Morse code messages the fastest, showcasing the enduring legacy of the morse key.Furthermore, the morse key has been adapted for various uses beyond traditional telegraphy. For instance, it has found applications in assistive technology for individuals with disabilities. People who have limited mobility can use a modified morse key to communicate, tapping it in different sequences to spell out messages. This adaptability demonstrates the lasting impact of the morse key in enhancing human connection despite physical limitations.In conclusion, the morse key is more than just a tool for sending Morse code; it represents a significant advancement in communication technology. Its simplicity and effectiveness have made it an enduring symbol of innovation. Whether used for emergency signals at sea or as a hobby among enthusiasts, the morse key continues to bridge gaps in communication, reminding us of the importance of staying connected in an ever-evolving world.

19世纪电报的发明标志着通信技术的重要里程碑。在使这场通信革命成为可能的各种组件中,摩尔斯电键是一种简单而巧妙的设备,使操作员能够通过点和划的系统在长距离内发送消息。该设备对于传输摩尔斯电码至关重要,摩尔斯电码是由塞缪尔·摩尔斯和阿尔弗雷德·维尔开发的。摩尔斯电键本身是一个机械开关,可以按下以创建电路,从而产生一系列开关信号,代表字母和数字。要理解摩尔斯电键的重要性,必须欣赏摩尔斯电码的工作原理。字母表中的每个字母由独特的短信号(点)和长信号(划)的组合表示。操作员会以特定的模式敲击摩尔斯电键来编码消息。例如,字母'A'由一个点后跟一个划表示,而'B'则由一个划后跟三个点表示。这种简单性允许高效有效的沟通,特别是在语音沟通不可能的情况下。在19世纪末到20世纪初,摩尔斯电键的使用变得普遍,尤其是在海洋通信中。海上的船只在很大程度上依赖摩尔斯电码发送紧急信号和相互通信。著名的SOS信号,作为求助的通用呼叫,是摩尔斯电键促进紧急通信的一个典范。SOS信号由三个点、三个划和三个点组成,即使在恶劣条件下也容易识别。尽管现代通信技术如电话和互联网的出现,摩尔斯电键仍在许多业余无线电爱好者和爱好者的心中占有特殊地位。学习摩尔斯电码并使用摩尔斯电键已成为许多人的一种爱好,培养了对这种历史通信形式的欣赏所带来的社区感。人们举行比赛,看谁能最快发送和接收摩尔斯电码消息,展示了摩尔斯电键的持久遗产。此外,摩尔斯电键被改编用于超越传统电报的各种用途。例如,它在残疾人士的辅助技术中找到了应用。行动能力有限的人可以使用改装的摩尔斯电键进行交流,按下不同的序列拼写消息。这种适应性展示了摩尔斯电键在增强人际联系方面的持久影响,尽管存在身体限制。总之,摩尔斯电键不仅仅是发送摩尔斯电码的工具;它代表了通信技术的重要进步。其简单性和有效性使其成为创新的持久象征。无论是用于海上的紧急信号还是作为爱好者之间的活动,摩尔斯电键继续弥合沟通的差距,提醒我们在不断发展的世界中保持联系的重要性。