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- Simulation results show that the new scheme may greatly improve the performa nce of RFI suppression in HF radar. 计算机仿真结果表明新方案较大地改善了高频雷达抑制射频干扰的性能。
- A new algorithm stream function method (SFM), engendering vector currents from radial currents mapped by two HF Radar sites detection is provided. 摘要提出了一种基于海洋流函数模型的双站高频地波雷达径向流生成矢量流算法。
- In this paper, the mechanism of the ionosphere contamination from the ionosphere distortion is exposed for the first time by analyzing the process of HF radar signal processing. 该文通过对高频雷达信号处理过程的分析，阐明了电离层扰动对回波信号污染的机理。
- The ionosphere contamination imposing on the High-frequency (HF) radar echoes has to be suppressed since it severely degrades the detection performance of HF radar. 摘要高频雷达回波信号受到电离层污染从而影响了雷达的探测性能，因此需要进行去污染处理。
- Chapter 3 obtains the retrieval of parameters of wind above sea surface and ocean wave spectra from simulated narrow beam HF radar backscatter, gives the simulate results. 第三章通过数值模拟的窄波束高频(HF)雷达的海面回波多普勒谱，反演了海面风场、浪高谱等海态参数，并详细介绍了反演的方法、步骤，给出了模拟结果。
- Fan J M,Jiao P N,Xiao J M.The sea clutter effect on the low doppler targets detection by HF radar[J].Chinese Journal of Radio Science,1997,12(2):205-210. [2]凡俊梅;焦培南;肖景明.;海洋杂波对高频雷达检测海面上低速目标的影响[J]
- In the highly crowded HF band, available continuous bandwidth is very narrow, this threaten the viability of HF radar based on the continuous spectra signal system seriously. 在拥挤的高频频段,可用的连续带宽比较窄,基于连续谱信号体制的高频雷达的生存能力受到严重威胁。
- According to the high spatial correlativity of the ionosphere contamination, then the rank one phase error estimation (ROPE) auto-focus method in imaging radar is suitably modified and applied to the ionosphere decontamination of HF radar echoes. 根据电离层污染具有高度空间相关性的特点，将成像雷达中的秩一相位误差估计聚焦方法适当修正后应用于高频雷达回波信号去电离层扰动污染。
- The Design of HF Radar Echo Simulator with DDS Chip 利用DDS器件设计高频雷达回波模拟器
- The Adaptive Cancellation of RFI in HF Radar 高频雷达射频干扰自适应对消
- In order to obtain enough bandwidth,HF radars use an irregularly frequency modulated waveform. 为了获得足够的带宽，雷达采用一种非规则频率调制的波形。
- Monostatic-bistatic composite HF radar network 单双基地复合雷达网
- Abstract： Operating in the heavy congested SW band,it is difficult for HF radars to find continuously useable waveband for signal modulation. 摘 要： 高频雷达工作在十分拥挤的短波波段内，可资用的能满足信号调制的连续频带很难获得。
- Operating in the heavy congested SW band, HF radars use a quasi-random step frequency signal to avoid the interference bands. 高频雷达工作在电磁环境十分恶劣的短波段,为避开干扰严重的频段,采用一种准随机跳频信号。
- They picked up the yacht on their radar screen. 他们在雷达屏上看到了那艘游艇。
- HF radar wave and wind measurement over the eastern China sea 中国东海的HF雷达波与风力测量
- The radar scanned the sky for enemy planes. 雷达密切监视天空，搜索敌机。
- Research on chaotic characteristics of HF radar sea clutter 高频雷达海洋回波混沌特性研究
- THE IMPROVEMENT OF HF RADAR SEA ECHO CROSS SECTION EQUATION 高频雷达海面回波截面方程的改进
- The watchtower followed the aircraft by radar. 瞭望塔通过雷达追踪这架飞机的行踪。
