side lobe level

简明释义

旁瓣电平

英英释义

例句

1.To achieve a clearer signal, we need to control the side lobe level 旁瓣电平 of the transmission.

为了获得更清晰的信号，我们需要控制传输的旁瓣电平 side lobe level。

2.The simulation showed that the side lobe level 旁瓣电平 affects the overall system efficiency.

模拟结果显示，旁瓣电平 side lobe level影响整体系统效率。

3.A high side lobe level 旁瓣电平 can lead to interference in communication systems.

高旁瓣电平 side lobe level可能导致通信系统中的干扰。

4.The radar system was adjusted to minimize the side lobe level 旁瓣电平 for better target detection.

雷达系统经过调整，以最小化旁瓣电平 side lobe level，以提高目标检测能力。

5.Engineers are working on reducing the side lobe level 旁瓣电平 in the antenna design to enhance performance.

工程师正在努力降低天线设计中的旁瓣电平 side lobe level，以提升性能。

作文

In the field of signal processing and antenna design, the term side lobe level refers to the measure of the strength of the side lobes in a radiation pattern compared to the main lobe. The main lobe is the direction in which the antenna or sensor is most sensitive, while the side lobes are the unwanted emissions that occur at other angles. Understanding the side lobe level is crucial for optimizing the performance of antennas and ensuring that they effectively focus their energy in the desired direction. When designing an antenna, engineers aim to minimize the side lobe level to reduce interference and improve the overall gain of the antenna. High side lobe levels can lead to unwanted signals being received from directions that are not intended, which can degrade the quality of communication or radar detection. For instance, in radar systems, high side lobe levels may cause false targets to be detected, leading to erroneous tracking and targeting. Therefore, controlling the side lobe level is essential for maintaining the integrity of the signal and ensuring accurate measurements.The side lobe level is typically expressed in decibels (dB) relative to the main lobe. A lower side lobe level indicates better performance, as it shows that the unwanted emissions are significantly weaker than the main signal. Engineers often use various techniques to suppress side lobes, such as applying specific antenna designs, using adaptive signal processing, or implementing electronic beam steering. These methods help achieve a more focused beam pattern, resulting in a lower side lobe level.In addition to its importance in antenna design, the concept of side lobe level also plays a vital role in other areas of engineering, such as acoustics and optics. For example, in acoustics, the side lobe level affects how sound waves propagate and interact with objects in the environment. In optical systems, controlling the side lobe level can enhance image resolution and clarity by reducing stray light that could interfere with the primary image.Overall, the side lobe level is a critical parameter that influences the effectiveness of various technologies in communication, navigation, and sensing. By understanding and controlling this aspect, engineers can design systems that are more efficient and reliable. As technology continues to advance, the significance of managing the side lobe level will only grow, driving further innovations in the fields of telecommunications, radar, and beyond. In conclusion, mastering the concept of side lobe level is essential for anyone involved in the design and implementation of systems that rely on precise signal transmission and reception. Whether in antenna design, radar systems, or acoustic applications, a thorough understanding of side lobe level can lead to significant improvements in performance and accuracy, ultimately benefiting a wide range of industries and applications.

在信号处理和天线设计领域，术语side lobe level指的是辐射模式中侧瓣的强度与主瓣的比较。主瓣是天线或传感器最敏感的方向，而侧瓣是发生在其他角度的不必要发射。理解side lobe level对于优化天线性能并确保它们有效地将能量聚焦在所需方向上至关重要。在设计天线时，工程师旨在最小化side lobe level以减少干扰并提高天线的整体增益。较高的侧瓣水平可能导致从不想要的方向接收到不必要的信号，从而降低通信或雷达检测的质量。例如，在雷达系统中，较高的侧瓣水平可能导致误报目标，导致错误的跟踪和瞄准。因此，控制side lobe level对于保持信号的完整性和确保准确测量至关重要。side lobe level通常以相对于主瓣的分贝（dB）表示。较低的侧瓣水平表示更好的性能，因为它表明不必要的发射显著弱于主信号。工程师通常使用各种技术来抑制侧瓣，例如应用特定的天线设计、使用自适应信号处理或实现电子波束控制。这些方法有助于实现更集中的波束模式，从而导致较低的side lobe level。除了在天线设计中的重要性，side lobe level的概念在声学和光学等其他工程领域也发挥着至关重要的作用。例如，在声学中，side lobe level影响声音波如何传播和与环境中的物体相互作用。在光学系统中，控制side lobe level可以通过减少可能干扰主要图像的杂散光来增强图像的分辨率和清晰度。总体而言，side lobe level是影响通信、导航和传感等多种技术有效性的关键参数。通过理解和控制这一方面，工程师可以设计出更高效、更可靠的系统。随着技术的不断进步，管理side lobe level的重要性只会增加，推动电信、雷达等领域的进一步创新。总之，掌握side lobe level的概念对于任何参与依赖精确信号传输和接收系统设计和实施的人来说都是必不可少的。无论是在天线设计、雷达系统还是声学应用中，深入了解side lobe level都可以显著提高性能和准确性，最终使广泛的行业和应用受益。