ionosphere

简明释义

英[aɪˈɒnəsfɪə(r)]美[aɪˈɑːnəsfɪr]

n. [地物] 电离层

英英释义

单词用法

同义词

反义词

例句

1.For the single frequency GPS user, the time delay in ionosphere is important mistake.

对于单频GPS接收用户，电离层时延是重要的测距误差。

2.A new method for predicting disturbances in the ionosphere by using the Artificial Neural Network (ANN) has been presented.

利用人工神经网络技术，提出预报离散随机的电离层骚扰事件的新方案。

3.The wind comes in, carries a magnetic field, which wraps around the ionosphere of the planet. The ionosphere is basically dragged away.

带有磁场的太阳风到达金星和火星后，其磁场包围在行星的电离层外面，而电离层基本上被拖离。

4.The researchers found that almost all of the earthquakes down to a depth of about 35km were preceded by distinct electrical disturbances in the ionosphere.

研究人员发现几乎所有深度达到35公里的地震都可以通过电离层明显的电磁扰动现象预测到。

5.In differential mode, the effects of both SA and ionosphere are substantially removed, and the correlation time is reduced to about 1 minute.

为达到实时应用的效果，本文利用了差分定位方式，对应的观测时间就可减少到1分钟以内。

6.With the kinetic equation of ionospheric plasma, the paper studies the influences of neutral winds on the ionosphere at middle-low latitude.

从电离层等离子体动力学方程出发，研究了磁暴期间中性风对中低纬度电离层的影响。

7.A super-powerful radiowave-beaming technology that lifts areas of the ionosphere by focusing a beam and heating those areas.

一种超大功率的无线电波发射技术，该技术通过聚集一道波束并加热那些区域将电离层的一些区域抬高。

8.High frequency skywave over-the-horizon radar can provide a wide coverage beyond the horizon by means of refraction within the ionosphere.

高频天波超视距雷达通过电离层的折射作用，具有同时超视距监测大区域范围的能力。

9.The propagation characteristic of the VLF in the earth-ionosphere waveguide is analyzed by applying the FDTD method.

应用时域有限差分（FDTD）方法分析甚低频在地电离层波导中的传播特性。

10.Scientists study the ionosphere (电离层) to understand its effects on satellite signals.

科学家研究电离层（ionosphere）以了解其对卫星信号的影响。

11.The ionosphere (电离层) plays a crucial role in GPS accuracy.

电离层（ionosphere）在GPS精度中起着至关重要的作用。

12.During the night, the ionosphere (电离层) becomes more reflective, improving long-distance communication.

在夜间，电离层（ionosphere）变得更具反射性，从而改善远距离通信。

13.The radio waves can bounce off the ionosphere (电离层) to reach distant locations.

无线电波可以反射到电离层（ionosphere）上，以到达遥远的地方。

14.Auroras are caused by particles interacting with the ionosphere (电离层).

极光是由粒子与电离层（ionosphere）相互作用引起的。

作文

The Earth is surrounded by various layers of atmosphere, each playing a critical role in sustaining life and facilitating communication. One of the most fascinating layers is the ionosphere, which is located approximately 30 miles to 600 miles above the Earth's surface. The ionosphere (电离层) is a region filled with charged particles, primarily electrons and ions, created by the sun's ultraviolet radiation. This layer is essential for radio communication and navigation systems. As solar energy interacts with the gases in the atmosphere, it causes ionization, resulting in the formation of the ionosphere. This process is influenced by various factors, including solar activity, time of day, and atmospheric conditions. During the day, the ionosphere is more active due to the increased sunlight, while at night, its density decreases as the sun sets. The ionosphere is divided into several sub-layers, namely the D, E, and F layers. Each layer has distinct characteristics and functions. The D layer, which is present during the day, absorbs high-frequency radio waves, making it challenging for long-distance communication. The E layer, on the other hand, reflects medium-frequency radio waves, allowing for regional communication. Finally, the F layer, which exists both day and night, is crucial for long-range radio transmissions. Understanding the ionosphere is vital for various technological applications, particularly in telecommunications. For instance, amateur radio operators often rely on the reflective properties of the ionosphere to communicate over vast distances. By transmitting signals at certain frequencies, they can bounce their messages off the ionosphere and reach far-off locations. Moreover, the ionosphere plays a significant role in Global Positioning System (GPS) technology. GPS satellites send signals to Earth, which travel through the ionosphere. Variations in the density of charged particles can cause delays in signal transmission, leading to inaccuracies in positioning. Therefore, scientists continuously monitor the ionosphere to improve the accuracy of GPS systems. In addition to communication, the ionosphere affects various scientific research fields, including meteorology and space weather. Changes in the ionosphere can indicate solar storms or geomagnetic activity, which can have profound effects on satellite operations and power grids. Understanding these phenomena helps researchers predict space weather events and mitigate their impacts. In conclusion, the ionosphere is a dynamic and essential part of our atmosphere that significantly influences communication, navigation, and scientific research. Its unique properties allow for the reflection and refraction of radio waves, enabling long-distance communication and accurate positioning systems. As we continue to explore the mysteries of our planet and beyond, understanding the ionosphere will remain crucial for advancing technology and enhancing our knowledge of the universe.

地球被各种大气层包围，每一层在维持生命和促进通信方面都发挥着关键作用。其中一个最迷人的层次是电离层，它位于离地球表面大约30到600英里（约48到965公里）的地方。电离层（ionosphere）是一个充满带电粒子的区域，主要是由太阳的紫外线辐射产生的电子和离子。这个层次对无线电通信和导航系统至关重要。当太阳能量与大气中的气体相互作用时，会导致电离，从而形成电离层。这个过程受到多种因素的影响，包括太阳活动、白天的时间和大气条件。在白天，由于阳光的增加，电离层的活性更高，而在夜间，随着太阳的落下，其密度会降低。电离层分为几个子层，即D层、E层和F层。每一层都有不同的特征和功能。D层在白天存在，它吸收高频无线电波，使远程通信变得困难。另一方面，E层反射中频无线电波，允许区域通信。最后，F层无论白天还是夜晚都存在，对于长距离无线电传输至关重要。理解电离层对各种技术应用至关重要，特别是在电信领域。例如，业余无线电操作员通常依赖于电离层的反射特性进行远程通信。通过在某些频率下发射信号，他们可以将信息反弹到电离层上并到达遥远的地方。此外，电离层在全球定位系统（GPS）技术中也发挥着重要作用。GPS卫星向地球发送信号，这些信号穿过电离层。带电粒子密度的变化可能会导致信号传输延迟，从而导致定位不准确。因此，科学家们不断监测电离层以提高GPS系统的准确性。除了通信，电离层还影响气象学和空间天气等多个科学研究领域。电离层的变化可以指示太阳风暴或地磁活动，这可能对卫星操作和电网产生深远影响。理解这些现象有助于研究人员预测空间天气事件并减轻其影响。总之，电离层是我们大气中一个动态且重要的部分，显著影响通信、导航和科学研究。其独特的特性允许无线电波的反射和折射，使长距离通信和精确定位系统成为可能。随着我们继续探索我们星球及其之外的奥秘，理解电离层将继续对推动技术进步和增强我们对宇宙的认识至关重要。