[目的/意义]"亚洲海事透明倡议"(Asia Maritime Transparency Initiative,AMTI)是由美国智库"战略与国际研究中心"(Center for Strategic and International Studies,CSIS)专门围绕东海、南海问题而建立的网站,从A...[目的/意义]"亚洲海事透明倡议"(Asia Maritime Transparency Initiative,AMTI)是由美国智库"战略与国际研究中心"(Center for Strategic and International Studies,CSIS)专门围绕东海、南海问题而建立的网站,从AMTI的报道可以了解美国政府在相关问题上的立场,但目前国内尚无关于该网站的相关分析。[方法/过程]收集了AMTI网站近一年多共一万多字的英文专题报道,建成一小型语料库;采用Ant Conc软件统计词频,分析搭配模式或词汇共现模式。[结果/结论]该网站明显偏袒日本、越南等国,宣扬所谓的"中国威胁",目的是维护美国在亚太地区的经济政治利益。中国迫切需要成立专门的海洋话语权研究机构,应对外媒不利宣传,打赢东海、南海的舆论之战。展开更多
Based on the analysis of Adaptive Moving Target Indication(AMTI) and the signal processing of Synthetic Aperture Radar(SAR), a complete compatible system of AMTI and SAR is put forward. The compatibility and effective...Based on the analysis of Adaptive Moving Target Indication(AMTI) and the signal processing of Synthetic Aperture Radar(SAR), a complete compatible system of AMTI and SAR is put forward. The compatibility and effectiveness of this system is prcved in theory. The results of simulation show that this system not only has good ability in stationary targets imaging but also has ability in detecting moving targets under the background of strong clutter.展开更多
Moving target indication (MTI) is an effective means for radar to find moving targets in clutter environment. This paper introduces the basic principles of MTI, how to avoid the blind speed problem and the optimizatio...Moving target indication (MTI) is an effective means for radar to find moving targets in clutter environment. This paper introduces the basic principles of MTI, how to avoid the blind speed problem and the optimization of MTI filter. Implementing the multi-notch adaptive moving target indication (AMTI) filter that designed by using the stagger code in varied cases, which is based on a feature vector method optimization.展开更多
文摘[目的/意义]"亚洲海事透明倡议"(Asia Maritime Transparency Initiative,AMTI)是由美国智库"战略与国际研究中心"(Center for Strategic and International Studies,CSIS)专门围绕东海、南海问题而建立的网站,从AMTI的报道可以了解美国政府在相关问题上的立场,但目前国内尚无关于该网站的相关分析。[方法/过程]收集了AMTI网站近一年多共一万多字的英文专题报道,建成一小型语料库;采用Ant Conc软件统计词频,分析搭配模式或词汇共现模式。[结果/结论]该网站明显偏袒日本、越南等国,宣扬所谓的"中国威胁",目的是维护美国在亚太地区的经济政治利益。中国迫切需要成立专门的海洋话语权研究机构,应对外媒不利宣传,打赢东海、南海的舆论之战。
文摘Based on the analysis of Adaptive Moving Target Indication(AMTI) and the signal processing of Synthetic Aperture Radar(SAR), a complete compatible system of AMTI and SAR is put forward. The compatibility and effectiveness of this system is prcved in theory. The results of simulation show that this system not only has good ability in stationary targets imaging but also has ability in detecting moving targets under the background of strong clutter.
文摘Moving target indication (MTI) is an effective means for radar to find moving targets in clutter environment. This paper introduces the basic principles of MTI, how to avoid the blind speed problem and the optimization of MTI filter. Implementing the multi-notch adaptive moving target indication (AMTI) filter that designed by using the stagger code in varied cases, which is based on a feature vector method optimization.
