crystal detector

简明释义

晶体检波器

英英释义

例句

1.The radio uses a crystal detector to convert radio waves into sound.

这台收音机使用水晶探测器将无线电波转换为声音。

2.The crystal detector works by rectifying the radio signal, allowing it to be heard.

水晶探测器通过整流无线电信号，使其能够被听到。

3.In vintage electronics, a crystal detector is essential for receiving signals.

在复古电子设备中，水晶探测器对接收信号至关重要。

4.Many hobbyists enjoy building radios that incorporate a crystal detector for simplicity.

许多爱好者喜欢制作包含水晶探测器的收音机，以简化设计。

5.The performance of the crystal detector can greatly affect the clarity of the audio output.

性能良好的水晶探测器可以大大提高音频输出的清晰度。

作文

In the early days of radio technology, the crystal detector was a revolutionary device that played a crucial role in the development of wireless communication. A crystal detector (晶体探测器) is a type of semiconductor device that was used to detect radio waves and convert them into audio signals. This simple yet effective technology laid the groundwork for the modern radio receivers we use today.The crystal detector consists of a small piece of crystalline material, usually made from minerals like galena or silicon. When radio waves hit the crystal, they create a small electrical current that can be amplified and transformed into sound. This process allows users to hear broadcasts from faraway places, making it possible to receive news, music, and entertainment without the need for physical connections.One of the most significant advantages of the crystal detector was its simplicity and affordability. Unlike vacuum tube radios, which required complex circuitry and were relatively expensive, crystal detectors could be built using basic components and were accessible to hobbyists and inventors. This accessibility sparked a wave of innovation and experimentation, leading to the rapid advancement of radio technology.As the popularity of radio grew, so did the demand for more efficient and reliable detection methods. Although the crystal detector was eventually replaced by more advanced technologies, such as vacuum tubes and transistors, its impact on the industry cannot be overstated. It represented a significant step forward in the quest for better communication methods and helped pave the way for the modern electronics we rely on today.Moreover, the crystal detector also played a vital role in amateur radio, or ham radio, which allowed individuals to communicate over long distances. Enthusiasts would often build their own crystal detectors as part of their experiments, fostering a strong sense of community among radio operators. This grassroots movement not only contributed to the growth of radio technology but also encouraged collaboration and knowledge sharing among enthusiasts.Today, while we may not use crystal detectors in mainstream applications, their principles are still relevant in various fields of electronics. The fundamental concepts of signal detection and amplification continue to underpin modern devices, from smartphones to satellite communications. Understanding the history and functionality of the crystal detector provides valuable insights into the evolution of technology and the importance of innovation in shaping our world.In conclusion, the crystal detector (晶体探测器) may seem like a relic of the past, but its contributions to radio technology and communication remain significant. As we continue to advance in technology, it is essential to recognize the foundational devices that have shaped our current landscape. The legacy of the crystal detector lives on, reminding us of the power of creativity and ingenuity in overcoming challenges and connecting people across distances.