电离层

The ionosphere that part of the atmosphere between 65 and 80 km and 280- 320 km height, will be disrupted by mechanical forces caused by the pressure wave following the explosion.

电离层在65-80公里和 280- 320 公里之间高度的大气那一部分，将被随着爆炸产生的冲击波的机械力所扰乱。

The effects of TLEs on the stratosphere, mesosphere and ionosphere were discussed. Finally, a need for observation aimed data accumulation and further theoretical study of TLEs were identified, and some presently unsolved problems in the theory of TLEs were outlined.

对已有的TLEs现象学和形态特征的观测事实以及物理机制和理论研究等进行了回顾，讨论了TLEs对平流层和中间层大气以及电离层的可能影响，并提出了目前在TLEs理论方面尚未解决的问题，指出了进一步观测和理论研究的必要性。

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。

A comparison is made for the above phenomena with the linear theory of TIDs propagation and also with a nonlinear numerical simulation of the dynamic features of AGWs propagation in the atmosphere. All these results are in good agreement.

这一演化过程与电离层中TIDs的线性传播理论一致，文中开展了对这一现象的非线性数值模拟，模拟结果基本上也与上述观测现象相吻合。

The Skywave Over-the-Horizon Radar operates in high frequency band (3-30MHz) and employs the ionosphere to reflect signal to detect targets from the top down.

天波超视距雷达工作在3—30MHz的高频频段，利用电离层对高频信号的反射作用自上而下地进行目标探测。

The skywave Over-the-Horizon Radar operates in high frequency band (3-30MHz) and employs the ionosphere to reflect signal to detect targets from the top down.

天波超视距雷达(Over-the-Horizon Radar—OTHR)工作在3—30MHz的高频频段，利用电离层对高频信号的反射作用自上而下地进行目标探测。

It is found that there is a good correlation between ion velocity and Pc 3-5 pulsations.

初步发现：在F层高度上，在P_c3—5频段，电离层离子速度与地磁微脉动H分量有着良好的相关。

Further, based on the method of pre-elimination of parameters, the formulae of the partly-weigthed least squares estimation with constraints on parts of the parameters are derived to include a prior information.

在顾及电离层加权模型的情况下，利用参数消去法，推导了加权最小二乘法估计模糊度实数解的公式。

Provided by the use of IGS precise ephemeris and precision clock bad, you can achieve high-precision positioning and orbit determination, which makes GPS in determining the satellite orbit to monitor the ionosphere and troposphere in the job to play an increasingly important role.

利用IGS提供的精密星历和精密钟差，可以实现高精度定位和定轨，这使得GPS在确定卫星轨道、监测电离层和对流层中的工作中发挥了举足轻重的作用。

This spectacular image captures the nebulas, bright ionization fronts , and fine details of the dark dust.

这张壮观的图片捕获了这个星系、明亮的电离层，以及一些黑色的尘埃物质很多的细节。

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。