查询词典 ionospheric

The data of the ionospheric critical frequencies, f0F2 and f0E, observed by a Digisonde Portable Sounder (DPS-4) at Zhongshan station of Antarctica in 1996, the hemispheric power index and the midnight equatorward boundary of the aurora estimated by the observation of American NOAA and DMSP satellites are used to examine features of the polar ionosphere.

本文利用1996年的电离层数字测高仪DPS-4所测的f0F2、f0E以及美国NOAA和DMSP卫星观测估算的半球功率指数和午夜极光区赤道侧边界纬度等资料，考察中山站电离层的极区特征。

For Shanghai is located near the central line of the total eclipse belt, a VLBI experiment for ionospheric Total Electron Content measurement has been carried out with participation of Shanghai, Urumqi and Kashima stations.

上海位于此次日全食带中心线附近，为此，上海佘山站、乌鲁木齐南山站和日本鹿岛站开展了VLBI联合观测实验。

The test results show that the proposed method can effectively compensate even for rapid TID and has good adaptability for different ionospheric frequency modulations.

测试结果表明，该方法能有效地补偿快速的TID污染，并且对不同电离层频率调制具有良好的自适应性。

The reconnection voltage is approximately fitted by sin~(3/2)θ_(IMF/2 for its response toθ_.The ionospheric transpolar potential and the voltage along the polar cap boundary show different depondencies from that of the reconnection voltage,so it is not justified to take them as substitutes for the reconnection voltage in measuring the total reconnection rate.

2重联电压与θ_之间近似满足sinθ_(IMF/2~(3/2)关系；电离层的越级电位和极盖区边界上的电压随sinθ_(IMF/2~(3/2)的变化呈现不同的规律，一般不能简单用它们取代重联电压来量度总重联率。

The research work discussed in this dissertation aims to image time-dependent 3-D distribution of ionospheric electron density, Ne, in the region to be recovered from the combination of ground-based GPS network measurements and GPS beacon observations obtained by a receiver on board of Low Earth Orbit satellite when the GPS satellite is occulted by the surface of the Earth as seen by the receiver.

比如，结合地基GPS与掩星观测的时变三维电离层层析成像数学上的重建公式尚未建立，由GPS地面台网观测和低轨卫星获得的掩星观测数据实现时变三维电离层层析的反演算法和计算机程序有待发展等等。

Radar altimeters selects full-deramp technology in pulse compression, and apply two frequencies to reduce the ionospheric range errors.

由于现代星载雷达高度计采用了脉冲压缩技术，引入了电离层色散误差，在双频高度计的低频段该误差更明显。

They experimented with the effects of "artificially induced ionospheric depletions on very low frequency wave lengths, on equatorial plasma instabilities, and on low frequency radio astronomical observations over Roberval, Quebec, Kwajelein, in the Marshall Islands and Hobart, Tasmania" Advanced Space Research, Vo1.8, No.

他们实验&在近赤道离子不稳定区域以甚低频波长人工诱导电离层损耗，或者对魁北克罗伯威尔、马绍尔群岛桂哲林和塔斯马尼亚州霍巴特的低频无线电天文观测&（《高级太空研究》，卷1.8，1号，1988）。

The couplings between the ionosphere and the magnetosphere, thermosphere, and mesosphere as well as the ionospheric processes at different latitudes are key issues today.

描述了电离层、磁层和中性大气耦合过程的基本图像。

By comparison, the ROTI index, ionospheric TEC horizontal gradient and vertical TEC correlate very well with each other, and their variations characteristics result from density irregularities produced by plasma instability in ionosphere.

对比发现，ROTI指数、电离层TEC水平梯度和电离层垂直TEC三者之间有很好的对应关系，它们的变化特征均由电离层中的不规则体引起。

Based on the forenamed theory, Estimated the Total Electron Content including the second-order ionospheric error. Established the 2°×2° geomagnetic vector grid-model over mostly area of China , then processed some dual-frequency data to indicate the algorithm is feasible and correct. Obtained some useful conclusion after analyzing the result of data processing.

本文计算了基于中心电离层单层模型的覆盖中国区域的2°×2°地磁场格网点的矢量值，对计算结果的X、Y、Z三个方向分量进行二次曲面拟合，对两种考虑地磁场影响计算包含电离层延迟误差二阶项的TEC估计结果进行了计算，验证了拟合模型的正确性和可行性，并对试算结果进行了分析，得到了一些有益的结论。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。