range resolution

简明释义

距离分辨力

英英释义

例句

1.The new satellite has improved range resolution, enabling better environmental monitoring.

新卫星提高了距离分辨率，使环境监测更加准确。

2.Improving the range resolution of sonar systems can significantly enhance underwater navigation.

提高声纳系统的距离分辨率可以显著增强水下导航。

3.The radar system's range resolution allows it to distinguish between two closely spaced objects.

雷达系统的距离分辨率使其能够区分两个紧密相邻的物体。

4.To effectively track weather patterns, meteorologists rely on the range resolution of radar data.

为了有效跟踪天气模式，气象学家依赖于雷达数据的距离分辨率。

5.In medical imaging, a higher range resolution results in clearer images of internal structures.

在医学成像中，更高的距离分辨率会产生更清晰的内部结构图像。

作文

In the field of radar and sonar technology, understanding the concept of range resolution is crucial for improving the accuracy and effectiveness of these systems. Range resolution refers to the ability of a radar or sonar system to distinguish between two targets that are located at different distances from the sensor. This capability is essential for various applications, including military surveillance, navigation, and environmental monitoring.To comprehend the significance of range resolution, it's important to consider how radar and sonar systems operate. These systems emit waves—either electromagnetic waves in the case of radar or sound waves in the case of sonar—that travel through the air or water. When these waves encounter an object, they reflect back to the sensor, allowing it to determine the distance and characteristics of the target. However, if two objects are too close together, the system may not be able to differentiate between them, leading to a loss of information.The factors affecting range resolution include the wavelength of the emitted waves and the pulse duration. Shorter wavelengths and shorter pulse durations generally result in better range resolution. This is because shorter pulses can provide more precise timing information, allowing the system to detect closely spaced targets more effectively. For instance, in military applications, being able to identify multiple enemy vehicles or threats in close proximity can significantly enhance situational awareness and tactical decision-making.Moreover, advancements in technology have led to the development of sophisticated algorithms and signal processing techniques that further improve range resolution. Modern radar and sonar systems can utilize techniques such as frequency modulation, synthetic aperture radar (SAR), and multiple-input multiple-output (MIMO) technologies to achieve higher levels of detail and accuracy. These innovations enable operators to obtain clearer images and better distinguish between objects, even in challenging environments.Another important aspect of range resolution is its impact on data interpretation. In many cases, the information gathered by radar and sonar systems must be analyzed to make informed decisions. High range resolution allows for more precise identification of targets, which can lead to better operational outcomes. For example, in search and rescue missions, the ability to accurately locate individuals or vessels can save lives and resources.However, achieving optimal range resolution is not without its challenges. Environmental factors such as weather conditions, water salinity, and background noise can affect the performance of radar and sonar systems. Additionally, there is often a trade-off between range resolution and other parameters, such as detection range and overall system complexity. Engineers and scientists must carefully balance these factors to design effective systems that meet specific operational requirements.In conclusion, range resolution plays a vital role in the effectiveness of radar and sonar technologies. By enabling the differentiation of closely spaced targets, it enhances situational awareness and decision-making in various applications. As technology continues to advance, the pursuit of improved range resolution will remain a key focus for researchers and engineers in the field. Understanding this concept not only enriches our knowledge of radar and sonar systems but also highlights the importance of precision in modern technological applications.

在雷达和声纳技术领域，理解“距离分辨率”的概念对于提高这些系统的准确性和有效性至关重要。“距离分辨率”指的是雷达或声纳系统区分位于传感器不同距离的两个目标的能力。这一能力对于军事监视、导航和环境监测等各种应用至关重要。要理解“距离分辨率”的重要性，首先需要考虑雷达和声纳系统的工作原理。这些系统发射波——在雷达的情况下是电磁波，在声纳的情况下是声波——这些波通过空气或水传播。当这些波遇到物体时，它们会反射回传感器，使其能够确定目标的距离和特征。然而，如果两个物体太靠近，系统可能无法区分它们，从而导致信息丢失。影响“距离分辨率”的因素包括发射波的波长和脉冲持续时间。较短的波长和较短的脉冲持续时间通常会导致更好的“距离分辨率”。这是因为较短的脉冲可以提供更精确的时间信息，使系统能够更有效地检测紧密间隔的目标。例如，在军事应用中，能够识别多个相邻的敌方车辆或威胁可以显著增强态势感知和战术决策。此外，技术的进步导致了复杂算法和信号处理技术的发展，进一步改善了“距离分辨率”。现代雷达和声纳系统可以利用频率调制、合成孔径雷达（SAR）和多输入多输出（MIMO）技术等技术，以实现更高水平的细节和准确性。这些创新使操作员能够获得更清晰的图像，并更好地区分目标，即使在挑战性环境中。“距离分辨率”的另一个重要方面是其对数据解释的影响。在许多情况下，雷达和声纳系统收集的信息必须进行分析，以做出明智的决策。高“距离分辨率”允许更精确地识别目标，这可以导致更好的操作结果。例如，在搜救任务中，准确定位个人或船只的能力可以挽救生命和资源。然而，实现最佳的“距离分辨率”并非没有挑战。天气条件、水的盐度和背景噪音等环境因素可能会影响雷达和声纳系统的性能。此外，通常在“距离分辨率”和其他参数（如探测范围和整体系统复杂性）之间存在权衡。工程师和科学家必须仔细平衡这些因素，以设计出满足特定操作要求的有效系统。总之，“距离分辨率”在雷达和声纳技术的有效性中扮演着至关重要的角色。通过使得区分紧密间隔的目标成为可能，它增强了各种应用中的态势感知和决策能力。随着技术的不断进步，追求改进的“距离分辨率”将继续成为该领域研究人员和工程师的关键焦点。理解这一概念不仅丰富了我们对雷达和声纳系统的知识，也突显了现代技术应用中精确性的重大意义。