电离层探测

基于相位编码脉冲压缩体制的电离层探测系统

Ionospheric sounding system based on phase modulated pluse compression

单站电离层探测系统自动跳频探测模式的设计与实现

Design and implementation of auto hopped frequency sound mode in monostatic ionospheric sounding system

电离层探测系统中PC与DSP通信方案的设计

Communication Method between PC and DSP in Ionospheric Oblique Backscattering Sounding System

顶层电离层探测星载HF-SAR系统分析与成像处理方法

Performance Analysis and Image Formation Algorithm of Spaceborne HF-SAR System for Topside Ionosphere Exploration

软件化电离层探测雷达波形产生器的设计

Design of the waveform generator of ionosonde based on software radio

单站电离层探测系统上位机集成软件的设计

Design of upper computer ′ s integrated software for ionospheric monostatic system

新体制电离层探测系统中频接收模块设计

Design of the IF receiving module in a new type of ionospheric sounding system

单片机在电离层探测雷达中的应用

Application of SCM in Ionospheric Sounding Radar

投影点坐标方差最小化车牌垂直倾斜校正垂直投射电离层探测装置

Vertical Tilt Correction for Vehicle License Plate Based on Minimizing Variance of Coordinates of Projection Points

电离层探测系统的仿真研究

The Emulation Research of the Ionosonde

非相干散射电离层探测

Incoherent scatter ionospheric sounding

本文依据电离层探测的实际过程，仿真研究了电离层探测系统的信号接收过程。

The signal reception of the ionosonde is emulated in this paper according to the process of ionospheric sounding .

将单片机应用于电离层探测雷达中，软化了雷达编码器的时序。

The SCM applied in ionospheric sounding radar makes the timing of coder in the radar program - mable .

电离层探测研究是近地空间环境研究的重要内容，对电波通信及环境监测有着重要意义。

Ionospheric sounding is an important content for the research of near-earth space environment , also has significant meaning on radio communication and environmental monitoring .

在数据转换模块中实现现有数据格式与自定义二进制文件格式的相互转换，将电离层探测信息按照不同的需求保存在大容量磁盘中。

Used in the data conversion module will define a binary file format ionospheric probe information stored permanently in accordance with the needs of large-capacity disk .

本文是按照电离层探测，数据处理和模型建立的顺序来论述的，在此基础之上讨论了电离层的结构变化。

This thesis reviews the process of ionosphere probe , data processing and model establishing , based on which the structural changes in the ionosphere is analyzed .

介绍了一种应用于电离层探测系统中的固态发射机。

A solid-transmitter , which is applied to ionospheric sounding system , has been introduced in this paper , in order to implement remote control of the transmitter .

在电离层探测中，电离层扰动探测与诊断是一个十分重要的研究课题。它对研究电离层中能量传播和耗散等动力学过程有着极其重要的学术意义。

In ionospheric observations , the sounding and diagnosis of ionospheric disturbances are a significant content since it is very important to understand the process of energy propagation and dissipation in the ionosphere .

电离层时域探测方法

Time Domain Method for the Sounding of the Ionosphere

软件无线电在电离层电波探测中的应用

Application of software radio in ionospheric radio sounding

电离层垂直探测是一项用高频无线电波从地面对电离层进行日常观测的常规技术。

Ionospheric vertical-incidence sounding is a conventional technique used for daily observation on ionosphere by using high frequency radio wave from the ground .

结果表明：发展新的软件化电离层电波探测设备的理论和技术条件均已成熟，它所具有的开放性和灵活性，能更好的满足二十一世纪电离层空间大气研究的需要。

The results demonstrate that the theory and technique is mature for developing the new software ionospheric sounding nowadays , and its flexibility would satisfy the demands of ionospheric space weather research in the 21 century .

论文主要利用电离层地面探测（垂直探测和斜探测）仪器探测地震前兆的电离层数据对其异常现象进行分析，讨论研究电离层的异常现象与地震发生的关联性。

Based on the Ionosphere Digital Data which detected by the ionosonde ( vertical detection and oblique incidence detection ) before seismos , this paper mainly analyse the phenomenon of the ionospheric anomaly , talk about the relationship between earthquake and ionospheric anomaly .

基于GPS的电离层行扰探测

TID Detect Based on the GPS

震前电离层TEC异常探测方法研究

Study on method of detecting Ionospheric TEC anomaly before earthquake

武汉电离层斜向探测系统的时间同步设计

Design of the time synchronization for Wuhan radio ionospheric oblique sounding system

电离层的直接探测研究

The direct sounding studies of the ionosphere

天波超视距雷达工作在高频短波波段，利用电离层折射来探测超远距离的空中或海上目标。

Over-the-horizon radar works in HF band , and can detect aircrafts and ships that are very far with the refraction of the ionosphere .

电离层后向散射探测中m序列和FH序列的应用

The applications of m sequence and FH sequence to ionospheric backscattering sounding

同时给出了使用m序列和FH序列进行电离层后向散射探测的信号波形及其调制解调电路模块。

Modem circuits and signal waveforms are provided to indicate the detecting procedure of m and FH sequences .