自1971年第一次被引入以来，直接数字频率合成(DDS)技术一直是频率合成技术研究的热点。
Direct Digital frequency synthesis (DDS) technology has always been the hotspot of study on frequency synthesis technology, since it was introduced in 1971 firstly.
利用合成孔径雷达对运动目标高分辨率成像，在军事上具有重要的应用价值，合成孔径雷达运动目标成像已经成为国内外SAR技术研究的一个重要方向。
The moving targets imaging based on high resolution SAR, have an important application value in militarily. It has been an important aspect in international SAR technique research.
对干扰信号的SAR图像特征分析是合成孔径雷达(SAR)干扰和抗干扰技术研究的重要内容。
In this paper, the radar equation of Synthetic Aperture radar (SAR) in electronic interference or jamming environment is presented.
借助于XRD、TG - DSC和SEM等技术研究了掺钛对氢化燃烧合成镁镍储氢合金的合成条件及合金性能的影响。
The effect of doping Ti on synthesis of magnesium nickel hydrogen storage alloys through XRD, TG-DSC and SEM was reported.
借助于XRD、TG - DSC和SEM等技术研究了掺钛对氢化燃烧合成镁镍储氢合金的合成条件及合金性能的影响。
The effect of doping Ti on synthesis of magnesium nickel hydrogen storage alloys through XRD, TG-DSC and SEM was reported.
应用推荐