逆合成的英文

• retrosynthesis

• "逆"英文翻译    contrary; counter
• "合成"英文翻译    compose; compound; synthetis ...
• "逆合成[从相反方向分析合成路线" 英文翻译 :    retrosynthesis
• "逆合力" 英文翻译 :    anti-resultant
• "合成" 英文翻译 :    (由部分组成整体) compose; compound; [化学] synthetise; synthetize; [数学] composition; combination marrying; [核化] synthesis; combining; synthesis resultant 力的合成 [物理学] composition of forces; 由两部分合成 be composed of two parts; 合成宝石 synthetic gem; 合成材料 synthetic material; 合成词 [语言学] compound word; 合成技术 synthetic technique; 合成浆 synthetic pulp; 合成结晶牛胰岛素synthetic crystalline bovine insulin; 合成景 composite shot; process shot; 合成镜头 process shot; 合成军队 combined arms unit; 合成酶 [生物化学] synzyme; synase; synthetase; 合成器 synthesizer; 合成塔 [化学] synthetic tower; 合成推进剂 composite propellant; 合成洗涤剂 sapide; saponide; syndet; synthetic detergent; 合成照片 photomontage
• "总合成；全合成" 英文翻译 :    total synthesis
• "dna合成" 英文翻译 :    dna synthesis
• "rrna合成" 英文翻译 :    rrna synthesis
• "williamson合成" 英文翻译 :    williamson ether synthesis
• "氨合成" 英文翻译 :    ammonia synthesis
• "半合成" 英文翻译 :    partial synthesis; semisynthesis
• "被合成" 英文翻译 :    be divided into
• "电合成" 英文翻译 :    electrosynthesis
• "共合成" 英文翻译 :    co-synthesis
• "光合成" 英文翻译 :    eb synthesis; photosynthesis
• "核合成" 英文翻译 :    nuclear synthesis; nucleosynthesis; nucleotidase
• "合成(动词)" 英文翻译 :    synthesize
• "合成(名词)" 英文翻译 :    synthesis
• "合成氨" 英文翻译 :    synthetic ammonia
• "合成钡" 英文翻译 :    composed barium
• "合成苯" 英文翻译 :    synthetic benzene
• "合成表" 英文翻译 :    composed table
• "合成波" 英文翻译 :    bound wave; composite wave; synthesis wave; synthesis way
• "合成潮" 英文翻译 :    compound tide; resultant tide; resultant tide
• "合成车" 英文翻译 :    hybrid trucks

• The objects of isar imaging are usually non - cooperative targets . so the motion compensation is a key technique in isar
  逆合成孔径雷达( isar )对非合作目标成像时，运动补偿是整个成像信号处理中的一个关键。
• Isar transmits wide bandwidth signals to obtain high range resolution . the cross - range resolution is obtained by the doppler frequency information of the target ’ s rotation
  逆合成孔径雷达通过发射大带宽信号获得好的距离分辨率,利用目标相对于雷达的转动产生多普勒频率梯度来获取好的方位向分辨力。
• Inverse synthetic aperture radar ( isar ) imaging of non - cooperative maneuvering multi - target is a challenging task due to its time varying orientation and the relative motion among targets
  摘要非合作的机动多目标相对于雷达射线的姿态是时变的，而且目标间可能存在相对运动，给逆合成孔径雷达( isar )成像造成较大困难。
• Aiming at the problem of angle motion estimation in monopulse three - dimension imaging , a novel angle motion parameters estimation method based on the inverse synthetic aperture radar imaging for difference beam is presented
  摘要针对单脉冲三维成像时的目标角运动估计问题，提出一种基于差波束逆合成孔径雷达成像的新的角运动参数估计方法。
• Despite this isar signal processing method had been widely applied , it was rarely used in hf radar systems . in this paper , we probe into the application of the isar signal processing in hf radar systems elementarily
  虽然以往的isar信号处理技术研究硕果累累,但是在高频雷达领域中的应用还是较少见的,更没有具体算法供参考,因而本文对逆合成孔径雷达信号处理在高频雷达系统中的应用进行初步探索研究。
• The inverse synthetic aperture radar ( isar ) , which can provide an all - weather , day / night capability to generate high - resolution two - dimensional images of the targets for recognition over a long range , has played a more and more important role especially in military application
  逆合成孔径雷达( isar )能全天时,全天候,远距离提供运动目标的高分辨率图像,为敌我目标识别提供信息,具有重要的军事意义。
• Inverse aperture radar ( isar ) can image non - cooperative moving targets such as aircrafts , ships and celestial objects over a long distance under all weather and all day . it is of particular interest for strategic defense , anti - submarine warfare and radar astronomy
  逆合成孔径雷达( isar )能够对飞机、舰艇、天体等非合作运动目标进行全天时、全天候、远距离成像,在战略防御、反卫星、战术武器以及雷达天文学中都有重要应用价值。
• To improve this ability , a higher cross - range resolution is needed . an inverse synthetic aperture radar ( isar ) achieves high resolution in the cross - range dimension by taking advantage of the motion between radar and targets to synthesize the effect of a larger antenna aperture
  逆合成孔径雷达( inversesyntheticapertureradar ,简称isar )信号处理对接收到的运动目标的回波信号进行相干处理,等价成一个大口径天线,很大程度上提高了方位向距离分辨力。
• For the effect of motion of target , a method of isar motion compensation based on scattering center tracking is used . for the difficulty of getting echo signal of bistatic isar of moving target , a method of simulating moving target using turntable data is used . finally the imaging results by using simulating data based on scattering center tracking show the effectiveness of the methods
  针对目标的运动对双站逆合成孔径雷达成像质量的影响,运用基于散射重心跟踪的isar运动补偿方法来消除目标运动对成像质量的影响,并针对双站isar运动目标回波获取的困难,运用一种用转台数据模拟运动目标回波的方法来获得仿真数据,最后用仿真数据验证了基于散射重心跟踪法的双站isar运动补偿的正确性。
• The concept , advantages and history of bistatic isar are introduced first in this paper , then 2 - d turntable imaging of monostatic isar the special example of bistatic isar is studied . on the basis of monostatic isar four imaging algorithms are analyzed , including fft algorithm , filtered backprojection algorithm , spectrum extrapolation algorithm and esprit algorithm , and compared in the small and big angel of imaging . on the basis of monostatic imaging the 2 - d turntable imaging principle of bistatic isar is studied ,
  本文首先阐述了双站逆合成孔径雷达的概念、优点和发展历程,然后研究了双站逆合成孔径雷达的特例? ?单站逆合成孔径雷达对转台目标的二维成像算法,并在此基础上分析了四种主要的转台成像算法, fft算法、滤波逆投影算法、谱外推算法和esprit算法,并对以上各种算法分别在小角度和大角度下的成像性能进行了比较。