homodyne receiving

简明释义

零拍接收

英英释义

Homodyne receiving is a technique used in communication systems where the incoming signal is mixed with a local oscillator signal of the same frequency, allowing for the direct detection of the signal's amplitude and phase.

同频接收是一种用于通信系统的技术,其中输入信号与相同频率的局部振荡器信号混合,从而允许直接检测信号的幅度和相位。

例句

1.In optical communication systems, homodyne receiving allows for high sensitivity detection of signals.

在光通信系统中,同频接收 允许对信号进行高灵敏度检测。

2.The homodyne receiving technique is commonly used in quantum optics experiments.

同频接收 技术常用于量子光学实验。

3.By implementing homodyne receiving, we can achieve better performance in radar systems.

通过实施 同频接收,我们可以在雷达系统中实现更好的性能。

4.The algorithm for homodyne receiving improves the accuracy of the measurements.

同频接收 的算法提高了测量的准确性。

5.Researchers are exploring the benefits of homodyne receiving in wireless communication.

研究人员正在探索 同频接收 在无线通信中的优势。

作文

In the realm of modern communication technology, the term homodyne receiving refers to a specific technique used in signal processing that has revolutionized the way we transmit and receive information. This method is particularly significant in optical communications, where it allows for high sensitivity and improved performance in detecting weak signals. The concept of homodyne receiving involves mixing a received signal with a local oscillator that operates at the same frequency as the signal being measured. This process effectively converts the signal into a lower frequency, making it easier to analyze and extract the desired information.One of the primary advantages of homodyne receiving is its ability to enhance the signal-to-noise ratio (SNR). In environments where signals are often obscured by noise, such as in long-distance communications or in densely populated urban areas, maintaining clarity and quality in transmission is crucial. By employing this technique, engineers can significantly improve the reliability of data transmission. The conversion of high-frequency signals to lower frequencies means that the noise, which typically affects higher frequencies more severely, has less impact on the overall signal integrity.Moreover, homodyne receiving is integral in the development of coherent detection systems. These systems utilize the phase information of the incoming signal, allowing for more precise measurements and greater data capacity. For instance, in fiber-optic communication, coherent receivers that implement homodyne receiving can achieve data rates that were previously unattainable with conventional methods. This advancement is particularly important as the demand for higher bandwidth continues to grow.In addition to its application in telecommunications, homodyne receiving is also utilized in various scientific fields, including quantum optics and radar technology. In quantum optics, this technique helps researchers explore fundamental properties of light and matter, leading to advancements in quantum computing and secure communication systems. Similarly, in radar technology, homodyne receiving enhances the detection capabilities of radar systems, allowing for better tracking of moving objects and improved resolution in imaging applications.Despite its many advantages, implementing homodyne receiving can be complex. The need for precise synchronization between the local oscillator and the incoming signal is critical; any misalignment can lead to errors in signal interpretation. Additionally, the requirement for sophisticated hardware and algorithms may pose challenges for widespread adoption in certain applications. Nevertheless, ongoing research and technological innovation continue to address these challenges, paving the way for more efficient and accessible use of homodyne receiving in various industries.In conclusion, homodyne receiving is a powerful technique that has transformed the landscape of signal processing and communication. Its ability to improve SNR, facilitate coherent detection, and find applications across diverse fields underscores its importance in both current and future technologies. As we move forward, the continued exploration and refinement of homodyne receiving will undoubtedly play a pivotal role in shaping the future of communication and signal processing, making it an essential topic for anyone interested in the field of technology and engineering.

在现代通信技术领域,术语homodyne receiving指的是一种特定的信号处理技术,它彻底改变了我们传输和接收信息的方式。这种方法在光通信中尤为重要,因为它能够提高灵敏度并改善检测微弱信号的性能。homodyne receiving的概念涉及将接收信号与一个本地振荡器混合,该振荡器以与被测信号相同的频率运行。这个过程有效地将信号转换为较低的频率,从而更容易分析和提取所需的信息。homodyne receiving的主要优势之一是其增强信噪比(SNR)的能力。在信号通常被噪声掩盖的环境中,例如长距离通信或人口密集的城市地区,保持传输的清晰度和质量至关重要。通过采用这一技术,工程师可以显著提高数据传输的可靠性。将高频信号转换为低频信号意味着噪声对整体信号完整性的影响较小,这通常会更严重地影响高频信号。此外,homodyne receiving在相干检测系统的发展中也起着重要作用。这些系统利用输入信号的相位信息,允许进行更精确的测量和更大的数据容量。例如,在光纤通信中,实施homodyne receiving的相干接收器能够实现以前无法达到的数据速率。随着对更高带宽需求的不断增长,这一进展尤为重要。除了在电信中的应用,homodyne receiving还被广泛应用于包括量子光学和雷达技术等多个科学领域。在量子光学中,这项技术帮助研究人员探索光和物质的基本性质,推动量子计算和安全通信系统的发展。同样,在雷达技术中,homodyne receiving增强了雷达系统的检测能力,使得对移动物体的跟踪和成像应用中的分辨率得到改善。尽管有许多优点,但实施homodyne receiving可能会很复杂。局部振荡器与输入信号之间的精确同步是关键;任何不对齐都可能导致信号解释中的错误。此外,对复杂硬件和算法的需求可能会对某些应用的广泛采用构成挑战。然而,持续的研究和技术创新不断解决这些挑战,为各行业更高效和更便捷地使用homodyne receiving铺平了道路。总之,homodyne receiving是一种强大的技术,已经改变了信号处理和通信的格局。它提高信噪比、促进相干检测的能力以及在不同领域的应用凸显了它在当前和未来技术中的重要性。随着我们的前进,对homodyne receiving的持续探索和完善无疑将在塑造通信和信号处理的未来中发挥关键作用,使其成为任何对技术和工程领域感兴趣的人必须了解的重要主题。

相关单词

homodyne

homodyne详解:怎么读、什么意思、用法

receiving

receiving详解:怎么读、什么意思、用法