| ID | 原文 | 译文 |
| 9984 | 实验结果表明,设计的辐射计在积分时间为1s时灵敏度为0.3K,系统稳定观测时间可达40s。 | The experimental results show that the design of the radiometer sensitivity when integration time for 1 s is 0. 3 K, system stability observation time can reach 40 s. |
| 9985 | 作为超视距通信的主要手段之一,卫星通信是特种飞机执行远程飞行任务的重要保障。 | As one of the main means of over-the-horizon communications, satellite communications is an important assurance for special aircraft have a long-range flight missions. |
| 9986 | 由于特种飞机机身的特殊结构,卫星通信波束可能会在飞机处于某些飞行区域或以特定姿态飞行时受到机身固定突出构造的遮挡,造成卫星通信链路性能恶化,甚至通信中断。 | Due to the special structure of the special aircraft, satellite communications beam may be in the plane flew in a certain area or in a particular stance in flight by the fuselage fixed outstanding tectonic block, cause the satellite communication link performance deterioration, even communication interrupt. |
| 9987 | 针对特种飞机机身的固定遮挡难题,利用电磁传播的菲涅尔区理论建立了遮挡模型,并基于投影理论提出了基于双坐标系变换的遮挡分析方法。 | In view of the special aircraft fuselage fixed block problem, using the theory of electromagnetic propagation of Fresnel zone block model is established, and based on the theory of projection shade analysis method is proposed based on double coordinates transform. |
| 9988 | 所提的遮挡模型和分析方法能够准确刻画固定遮挡造成的电磁波传播损耗,为卫星通信天线位置的优化设计提供参照。 | The proposed block model and the analysis method can accurately depict the fixed block caused by the electromagnetic wave propagation loss, to provide reference for optimal design of satellite communication antenna position. |
| 9989 | 此外,所提出的分析方法实现复杂度低,适于工程实践。 | In addition, the proposed analysis method has low implementation complexity, suitable for engineering practice. |
| 9990 | 针对共形阵情形下,采样协方差矩阵求逆(sampling matrix inversion,SMI)得到的最小方差谱会发生很大程度的展宽,进而影响目标检测性能的问题,提出了增益谱分析方法。 | For conformal array circumstances, the sampling covariance matrix inversion (from matrix inversion, SMI) to get the minimum variance spectrum will happen greatly broadening and, in turn, affects target detection performance problems, gain spectrum analysis method is proposed. |
| 9991 | 该方法利用增益权进行杂波处理,即在权中考虑了阵元增益,因此能够更好地对实际杂波进行匹配。 | The method used to clutter processing gain rights, namely in the arrays were considered in the power gain, so better to match the actual clutter. |
| 9992 | 在所提方法的基础上,重点分析了机身共形圆台阵圆心角和阵元主瓣宽度对杂波特征值、最小方差谱及增益谱的影响,为实际共形阵杂波抑制时共形阵结构的选择提供了重要的指导意义。 | In the method, on the basis of analyses the fuselage conformal arrays frustum of a cone array central Angle and width of main lobe of clutter eigenvalue, the influence of the minimum variance spectrum and gain spectrum, for practical conformal array when the clutter suppression conformal array structure choice provides an important guiding significance. |
| 9993 | 仿真结果表明,较大的主瓣宽度可以使最小方差谱展宽减小,而较大的圆心角可以使增益谱的性能更优,并且,利用增益权处理可以有效提高主瓣杂波下目标的检测性能,且当圆心角较大时,增益权的处理结果明显优于传统SMI。 | Simulation results show that the larger the main lobe width can reduce minimum variance spectrum broadening, and larger central Angle can make better the performance of the gain spectrum, and gain the right to treatment can be used to effectively improve the target detection performance, under the main lobe clutter and when central Angle is bigger, the right to gain the processing result is superior to traditional SMI. |