antenna tuning

简明释义

天线调揩

英英释义

例句

1.We need to check the antenna tuning before the broadcast starts.

在广播开始之前，我们需要检查一下天线调谐。

2.The antenna tuning process can vary depending on the frequency used.

根据使用的频率，天线调谐过程可能会有所不同。

3.Proper antenna tuning is essential for maximizing transmission range.

适当的天线调谐对于最大化传输范围至关重要。

4.The technician performed antenna tuning to improve the signal quality.

技术员进行了天线调谐以改善信号质量。

5.After antenna tuning, the reception improved significantly.

经过天线调谐后，接收效果显著改善。

作文

Antenna tuning is a crucial aspect of radio communication that ensures efficient signal transmission and reception. In simple terms, antenna tuning (天线调谐) refers to the process of adjusting an antenna's electrical characteristics to match the frequency of the transmitted or received signal. This matching is vital because it minimizes signal loss and maximizes the range and clarity of the communication. Without proper antenna tuning (天线调谐), signals can become distorted, leading to poor audio quality or complete loss of communication.The importance of antenna tuning (天线调谐) can be seen in various applications, from amateur radio operators to commercial broadcasting. For instance, a ham radio operator must ensure that their antenna is tuned to the specific frequency they wish to use. If the antenna is not tuned correctly, the operator may experience significant difficulties in both transmitting and receiving signals, which can be frustrating and time-consuming.In commercial settings, antenna tuning (天线调谐) plays an even more critical role. Broadcast stations rely on precise tuning to deliver clear signals to their audience. A poorly tuned antenna can result in interference, which can affect not only the station's reach but also the overall quality of the broadcast. This is why engineers spend considerable time and resources on antenna tuning (天线调谐) to ensure optimal performance.The process of antenna tuning (天线调谐) involves several techniques, including the use of matching networks, which are devices designed to improve the impedance matching between the antenna and the transmitter or receiver. By using these networks, engineers can adjust the voltage standing wave ratio (VSWR), which indicates how well the antenna is matched to the transmission line. A lower VSWR means better matching, resulting in less power being reflected back towards the transmitter.Another method used in antenna tuning (天线调谐) is the adjustment of the physical dimensions of the antenna itself. Antennas are typically designed for specific frequency ranges, and altering their length or shape can help achieve better tuning. For example, shortening or lengthening the elements of a dipole antenna can shift its resonant frequency, allowing it to operate more efficiently at different frequencies.Moreover, modern technology has introduced automated systems for antenna tuning (天线调谐). These systems can dynamically adjust the tuning parameters in real-time, ensuring optimal performance under varying conditions. Such advancements have made it easier for operators to maintain clear communications without the need for constant manual adjustments.In conclusion, antenna tuning (天线调谐) is an essential process in the field of radio communications. It enhances the efficiency of signal transmission and reception, making it a vital component for both amateur and professional users. As technology continues to evolve, the methods and tools available for antenna tuning (天线调谐) will likely become even more sophisticated, further improving communication capabilities across various platforms. Understanding and mastering antenna tuning (天线调谐) is therefore not only beneficial but necessary for anyone involved in radio communications.

天线调谐是无线通信中一个至关重要的方面，它确保信号的高效传输和接收。简单来说，antenna tuning（天线调谐）是指调整天线电气特性以匹配传输或接收信号频率的过程。这种匹配至关重要，因为它最小化信号损失并最大化通信的范围和清晰度。如果没有适当的antenna tuning（天线调谐），信号可能会失真，导致音质差或完全失去通信。antenna tuning（天线调谐）的重要性可以在各种应用中看到，从业余无线电操作员到商业广播。例如，业余无线电操作员必须确保他们的天线调谐到他们希望使用的特定频率。如果天线没有正确调谐，操作员可能会在传输和接收信号时遇到重大困难，这可能会令人沮丧且耗时。在商业环境中，antenna tuning（天线调谐）发挥着更为关键的作用。广播电台依赖精确调谐来向观众传递清晰的信号。调谐不良的天线可能导致干扰，这不仅会影响电台的覆盖范围，还会影响广播的整体质量。这就是为什么工程师花费大量时间和资源进行antenna tuning（天线调谐），以确保最佳性能。antenna tuning（天线调谐）的过程涉及几种技术，包括使用匹配网络，这些设备旨在改善天线与发射器或接收器之间的阻抗匹配。通过使用这些网络，工程师可以调整电压驻波比（VSWR），该比率表示天线与传输线的匹配程度。较低的VSWR意味着更好的匹配，从而导致反射回发射机的功率减少。在antenna tuning（天线调谐）中使用的另一种方法是调整天线本身的物理尺寸。天线通常设计用于特定的频率范围，通过改变其长度或形状可以实现更好的调谐。例如，缩短或延长偶极子天线的元素可以改变其共振频率，使其在不同频率下更有效地工作。此外，现代技术引入了自动化系统来进行antenna tuning（天线调谐）。这些系统可以实时动态调整调谐参数，确保在变化条件下的最佳性能。这些进步使操作员能够在不需要不断手动调整的情况下保持清晰的通信。总之，antenna tuning（天线调谐）是无线通信领域中的一个基本过程。它提高了信号传输和接收的效率，使其成为业余用户和专业用户的一个重要组成部分。随着技术的不断发展，未来可用于antenna tuning（天线调谐）的方法和工具可能会变得更加复杂，进一步改善各种平台的通信能力。因此，理解和掌握antenna tuning（天线调谐）不仅是有益的，而且对任何参与无线通信的人来说都是必要的。