| 1. | A kind of brief substitute method of bidirectional gtd breakdown 双向晶闸管故障的解决方法 |
| 2. | The production of hard copies of the gtd has ceased since 2003 政府电话簿由2003年起停止印制印文本。 |
| 3. | Gtd gestational trophoblastic disease 妊娠滋养细胞疾病 |
| 4. | To estimate the td - gtd model parameters , maximum likelihood estimation ( mle ) algorithm is developed 对td - gtd模型参量的最大似然估计( mle )算法进行了推导。 |
| 5. | All orders that will be placed are considered gtd or good till day , remaining valid only within the day and will be cancelled automatically if not executed by the end of the day 所有订单,将列入考虑的gtd或好到一天,剩馀的有效期只有一天,将自动取消,如果不签,由一天结束。 |
| 6. | On top of the gds infrastructure , the administration wing , chief secretary for administration s office , provides a government telephone directory ( gtd ) website ( 通过使用政府电子目录基建,政务司司长办公室辖下行政署自2002年3月开始就透过互联网提供了一个包括搜寻功能之政府电话簿网站( |
| 7. | The other is that the conducting body is electrically large . we can solve this case by high frequency methods or hybrid methods of high and low frequency for example the hybrid of mom and gtd 另一种情况是金属多面体是电大尺寸,此时可以通过高频或高低频混合的方法来解决,例如矩量法和几何绕射混合( mom gtd )的方法。 |
| 8. | The model is based on the theory of physical optics ( po ) , geometry theory of diffraction ( gtd ) and uniform theory of diffraction ( utd ) , and it can compute and analyze the propagation of em wave in microcellular environments by using improved ray tracing method 该模型基于物理光学( po ) 、几何绕射理论( gtd ) 、一致性绕射理论( utd ) ,利用改进的射线跟踪法对微蜂窝中电波传播特性进行了数值分析计算。 |
| 9. | Since the problem of feature extraction from 2 - d radar data can be approached as a parametric modeling and parameter estimation problem , the 2 - d type - discriminated geometric theory of diffraction based ( td - gtd ) model that discriminate between the localized and distributed scattering centers of the target is presented 在对目标散射中心的建模与参数估计中,提出采用更贴近散射机理的、特征含量更为丰富的二维散射中心模型?区分局域性与展布式散射中心类型的几何绕射理论( td - gtd )模型。 |
| 10. | 2 . a frequency extrapolation scheme is developed to effectively predict radar cross section using floating genetic algorithm based on the geometrical theory of diffraction ( gtd ) model . the threshold discrete fourier transform ( tdft ) is introduced for the data compression in angle domain 在目标散射中心建模方面,我们将浮点型遗传算法( fga )应用于实际人工目标的gtd模型参数的抽取,利用所抽取的模型参数完成了雷达散射截面rcs的频率扩展以及数据压缩,并利用扩展的数据提高了距离分辨率。 |