查询词典 ionospheric

"The data gathered from this project will aid in our understanding of the relationship between the winds and ionospheric activity," says Earle.

埃尔说，这个研究项目收集的数据将帮助我们理解运动和电离活动的关系。

Taking two major storms in October-November 2003 for example,the effects of plasma transportation,which is caused by equatorial disturbance electric field,on low-latitude storm time ionospheric variations at given locations were studied near 105°E.

研究表明，电场能引起电离层foF2的复杂变化。在2003年11月19~24日孤立磁暴事件中，扰动电场在电离层暴初期起主导作用，向上和向极漂移的等离子体造成赤道异常峰南侧海口站电离层负暴和北侧重庆及兰州站正暴。

It is well known that the ionospheric electric fields and currents play important roles in the ionosphere electrodynamics.

电离层中的电场、电流及其相关电动力学过程对电离层的形态、结构与变化有着十分重要的影响。

The mathematical models of the delay of the GPS signal in the circumstance are put forward respectively. The computation of orbital arc of the two satellite constellations is based on two body problem and perturbations models. An algorithm based on the IRI model and thin layer model is used to simulate the ionospheric delay of the GPS signal. The error models of observation, multipath, relativity and antenna phase center bias are also researched. Under the consideration of the autocorrelation of the electronical measurements, the autoregressive model of time series is introduced into the noise models.

在信号仿真中，研究了利用二体运动和摄动法计算LEO卫星至GPS卫星星座的几何距离的问题；在信号的误差模型中，研究了电离层时延的IRI2001模型和单层投影模型；讨论了观测误差、多径效应、相对论效应和天线相位中心偏移的误差模型；结合电子测量噪声的具有自相关特性的经验，研究了观测误差的AR模型；结合实测数据分析，讨论了接收机钟差和卫星钟差的误差建模问题。

Using the observed data obtained from stations all over the world and the related interplanetary and geomagnetic material, we study the response of global ionospheric F〓-layer parameter NmF〓 and hmF〓 to five typical different type geomagnetic disturbance events induced by different interplanetary magnetic cloud, by dividing the global ionosphere into high, middle and low latitude a ccording the variations of magnetic latitude, and adopting the UT/LT (universal time /local time) method.

利用全球电离层台站提供的观测资料及有关行星际、地磁观测资料，根据磁纬变化将全球分成高、中、低纬三个不同的区域，并采用了UT/LT的方法，分析了全球电离层F2层参数NmF2和hmF2对于五次由不同行星际磁云引起的不同类型地磁扰动事件的响应。

The ionospheric conductivity is influenced by solar activities and geomagnetic conditions and has some changes.

电离层电导率在不同的太阳活动和地磁条件下会发生变化。

Ionospheric observations have been playing an important role in the ...

对电离层的观测研究在该学科中一直占有重要的地位。

This mode is very sensitive to the ionospheric Doppler modulation.

这种模式是非常敏感的电离层多普勒调制。

It is an advanced model of an "ionospheric heater."

它是"电离层加热器"的一个高级版本。

This research will provide a feasible method for measurement of the ionospheric zonal velocity.

该研究为电离层不规则结构纬向漂移速度的测量提供了一种可行的方法。

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。