电离层的

In this paper the effect of the spatial gradients of the electric field and the neutral wind on the linear growth of the plasma R-T instability and its growth rate are analyzed, based on the quality and the charge conservation equation.

本文从质量和电荷守恒方程出发，分析了控制电离层等离子体R-T不稳定性线性增长的各种因素，重点研究了热层风和背景电场的空间梯度对R-T不稳定性线性增长的影响。

Detection the Ambiguity slip is key factor for position or attitude estimation of high dynamic SAR satellite using GPS. The ambiguity slip successfully can be detected by ionosphere remanet error of dual frequency.

周跳的检测是高动态卫星利用GPS系统进行定位或姿态测量的关键因素，利用双频电离层残差可以有效地实现周跳检测。

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。

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。

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。

At the first step, time-frequency distribution (spectrogram or pseudo Wigner-Ville distribution) of the time-varying signal is adopted and a peak-tracking scheme is designed to obtain a coarse ionosperic modulation estimation from the time-frequency distribution.

在第一步校正中，首先分析这种时变信号的时频分布，并设计了一种谱峰追踪方法从时频分布中获得粗糙的电离层频率调制估计。

The: effect of time derivative on the electric field and density cavitons which is often absent in many other references is considered in this paper.

这种密度扰动，在电离层中可以激发起各种等离子体波，研究这种相互作用及各种等离子体波，对探测涂有各种雷达波吸收材料的隐身飞行体有着重要的意义。

The thermosphere and ionosphere are the primary regions of near space satellite in orbit, as well as the important area where space weather affects human activity so much.

地球热层和电离层是近地卫星运行的主要场所，也是空间天气对人类活动影响的重要区域。

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。