low frequency acquisition and ranging

简明释义

低频搜索与测距

英英释义

例句

1.The sonar system utilized low frequency acquisition and ranging to detect submarines in deep waters.

该声纳系统利用低频获取与测距来探测深水中的潜艇。

2.In geological surveys, low frequency acquisition and ranging helps in mapping underground structures.

在地质勘测中，低频获取与测距有助于绘制地下结构图。

3.During the experiment, we implemented low frequency acquisition and ranging to enhance signal clarity.

在实验过程中，我们实施了低频获取与测距以提高信号清晰度。

4.The radar technology relies on low frequency acquisition and ranging for long-distance tracking.

该雷达技术依赖于低频获取与测距进行远距离跟踪。

5.Marine biologists use low frequency acquisition and ranging to study whale migration patterns.

海洋生物学家使用低频获取与测距来研究鲸鱼的迁徙模式。

作文

In the field of signal processing and telecommunications, the term low frequency acquisition and ranging refers to techniques used for detecting and measuring distances using low-frequency signals. This methodology is particularly relevant in various applications, including underwater exploration, wireless communications, and remote sensing. The fundamental principle behind low frequency acquisition and ranging lies in the ability of low-frequency waves to propagate over long distances with minimal attenuation. This characteristic makes them ideal for environments where higher frequency signals might be absorbed or scattered, such as in water or dense foliage.One of the key advantages of low frequency acquisition and ranging is its effectiveness in penetrating obstacles that would typically disrupt higher frequency signals. For example, in underwater acoustics, low-frequency sound waves can travel several kilometers, allowing researchers to map the ocean floor, locate submerged objects, or communicate with underwater vehicles. This capability is crucial for marine biology studies, oil and gas exploration, and even military operations.In addition to underwater applications, low frequency acquisition and ranging plays a significant role in terrestrial environments. In rural areas, where traditional communication infrastructure may be lacking, low-frequency radio waves can be utilized to establish reliable communication links. These waves can travel beyond the horizon, enabling connectivity in remote locations. Furthermore, advancements in technology have improved the precision of low frequency acquisition and ranging, allowing for accurate distance measurements even in challenging conditions.The process of low frequency acquisition and ranging typically involves the transmission of a low-frequency signal from a transmitter to a receiver. Upon receiving the signal, the system measures the time it takes for the signal to return after reflecting off an object. By knowing the speed of the signal, the system can calculate the distance to the object. This technique is not only limited to one-dimensional measurements; it can also be adapted for three-dimensional mapping, which is essential in applications like robotics and autonomous vehicle navigation.However, while low frequency acquisition and ranging offers many benefits, it is not without challenges. The lower frequency signals may be more susceptible to interference from other sources, which can affect the accuracy of the measurements. Additionally, environmental factors such as temperature, salinity, and pressure can influence signal propagation, making calibration and adjustment necessary for optimal performance.To summarize, low frequency acquisition and ranging is a vital technique in various fields that rely on the detection and measurement of distances using low-frequency signals. Its ability to penetrate obstacles, coupled with advancements in technology, makes it an invaluable tool for researchers and professionals alike. As we continue to explore new applications and improve the methods associated with low frequency acquisition and ranging, we can expect to see even greater advancements in communication, navigation, and environmental monitoring in the future.

在信号处理和电信领域，术语低频获取与测距指的是用于检测和测量距离的技术，这些技术使用低频信号。这种方法在多个应用中尤其相关，包括水下探索、无线通信和遥感。低频获取与测距的基本原理在于低频波能够以最小的衰减传播较长的距离。这一特性使其在高频信号可能被吸收或散射的环境中（例如水中或密集的植被中）成为理想选择。低频获取与测距的一个关键优势是它在穿透障碍物方面的有效性，这些障碍物通常会干扰高频信号。例如，在水下声学中，低频声波可以传播数公里，使研究人员能够绘制海底地图、定位沉没物体或与水下车辆进行通信。这一能力对于海洋生物研究、石油和天然气勘探，甚至军事行动至关重要。除了水下应用外，低频获取与测距在陆地环境中也发挥着重要作用。在缺乏传统通信基础设施的农村地区，可以利用低频无线电波建立可靠的通信链接。这些波可以传播到地平线之外，从而在偏远地区实现连接。此外，技术的进步提高了低频获取与测距的精确度，使得即使在困难条件下也能进行准确的距离测量。低频获取与测距的过程通常涉及从发射器向接收器发送低频信号。在接收到信号后，系统测量信号反射回来的时间。通过了解信号的传播速度，系统可以计算出到物体的距离。这项技术不仅限于一维测量；它还可以适应三维映射，这在机器人和自动驾驶车辆导航等应用中至关重要。然而，尽管低频获取与测距提供了许多好处，但也并非没有挑战。较低频率的信号可能更容易受到其他来源的干扰，这可能影响测量的准确性。此外，温度、盐度和压力等环境因素也会影响信号传播，因此需要进行校准和调整以实现最佳性能。总之，低频获取与测距是依赖于使用低频信号进行距离检测和测量的各个领域的重要技术。它穿透障碍物的能力，加上技术的进步，使其成为研究人员和专业人士的宝贵工具。随着我们继续探索新的应用并改善与低频获取与测距相关的方法，我们可以期待在未来的通信、导航和环境监测中看到更大的进步。