thermionic valve

简明释义

热阴极电子管

英英释义

例句

1.Many guitar amplifiers still utilize a thermionic valve for its warm sound.

许多吉他音箱仍然使用热电子阀来获得温暖的音色。

2.In vacuum tube technology, the thermionic valve plays a crucial role in signal processing.

在真空管技术中，热电子阀在信号处理方面起着至关重要的作用。

3.Engineers often test the performance of a thermionic valve in various circuits.

工程师们经常在各种电路中测试热电子阀的性能。

4.The thermionic valve was a significant advancement in electronics during the early 20th century.

热电子阀是20世纪初电子学的重要进展。

5.The early radios used a thermionic valve to amplify the sound signals.

早期的收音机使用了一个热电子阀来放大声音信号。

作文

The invention of the thermionic valve revolutionized the field of electronics in the early 20th century. Before its introduction, electronic devices were limited in their capabilities and often unreliable. The thermionic valve served as a crucial component in amplifying electrical signals, which laid the foundation for modern communication technologies. Essentially, a thermionic valve is a vacuum tube that allows current to flow between electrodes by means of thermionic emission, where electrons are emitted from a heated cathode. This principle enabled the development of radios, televisions, and eventually computers.One of the significant advantages of the thermionic valve was its ability to amplify weak signals. In the early days of radio broadcasting, the quality of sound transmission depended heavily on the sensitivity of the equipment used. The introduction of the thermionic valve allowed engineers to create more powerful transmitters and receivers, leading to clearer sound and more reliable broadcasts. This innovation not only improved the listening experience but also expanded the reach of radio communications, making it possible to connect people across long distances.Moreover, the thermionic valve played a pivotal role in the development of early computers. The first electronic computers utilized numerous thermionic valves to perform calculations and process data. Although these machines were large and consumed a significant amount of power, they represented a major leap forward in computational capabilities. As technology progressed, the reliance on thermionic valves began to decline with the introduction of transistors. Transistors provided a more compact, efficient, and durable alternative, ultimately leading to the miniaturization of electronic devices.Despite the decline in the use of thermionic valves, their impact on technology cannot be overstated. They were instrumental in the development of various electronic devices that we take for granted today. For instance, many classic audio amplifiers still utilize thermionic valves because of their warm sound quality, which is preferred by audiophiles. Additionally, some high-power radio transmitters and scientific instruments continue to employ thermionic valves due to their ability to handle high voltages and currents.In conclusion, the thermionic valve was a groundbreaking invention that transformed the landscape of electronics and communication. Its ability to amplify signals and perform complex calculations paved the way for future advancements in technology. While modern inventions have largely replaced thermionic valves with more efficient alternatives, the legacy of this remarkable device endures in various fields, reminding us of the ingenuity and creativity that drive technological progress. Understanding the significance of the thermionic valve helps us appreciate the evolution of electronic devices and their impact on our daily lives.

热电子阀的发明在20世纪初彻底改变了电子学领域。在它出现之前，电子设备的能力受到限制，且往往不可靠。热电子阀作为放大电信号的关键组件，为现代通信技术奠定了基础。热电子阀本质上是一种真空管，允许通过热电子发射在电极之间流动电流，其中电子是从加热的阴极发射出来的。这一原理使得无线电、电视，甚至计算机的发展成为可能。热电子阀的一个显著优势是它能够放大微弱信号。在早期的广播中，声音传输的质量在很大程度上依赖于所使用设备的灵敏度。热电子阀的引入使工程师能够制造出更强大的发射器和接收器，从而实现更清晰的声音和更可靠的广播。这一创新不仅改善了听觉体验，还扩展了无线电通信的覆盖范围，使人们能够跨越长距离进行连接。此外，热电子阀在早期计算机的发展中发挥了关键作用。第一台电子计算机利用大量热电子阀进行计算和数据处理。尽管这些机器体积庞大，耗电量大，但它们代表了计算能力的重大飞跃。随着技术的发展，随着晶体管的引入，对热电子阀的依赖开始减少。晶体管提供了一种更紧凑、高效和耐用的替代品，最终导致电子设备的小型化。尽管对热电子阀的使用有所减少，但它们对技术的影响不可低估。它们在各种我们今天认为理所当然的电子设备的发展中发挥了重要作用。例如，许多经典音频放大器仍然使用热电子阀，因为它们温暖的音质受到音响爱好者的青睐。此外，一些高功率无线电发射机和科学仪器继续采用热电子阀，因为它们能够处理高电压和电流。总之，热电子阀是一项突破性的发明，改变了电子和通信的格局。它的信号放大和复杂计算能力为未来技术的进步铺平了道路。虽然现代发明在很大程度上已用更高效的替代品取代了热电子阀，但这一卓越设备的遗产在各个领域仍然延续，提醒我们推动技术进步的智慧和创造力。理解热电子阀的重要性有助于我们欣赏电子设备的演变及其对我们日常生活的影响。