| ID | 原文 | 译文 |
| 9414 | 在对两种频谱混叠情况分析的基础上,针对高阶混叠将混叠的瞬时频率近似为线性调频锯齿波信号,通过对频率以及调频率的估计,实现信号混叠程度的快速降阶。 | In the two kinds of spectrum aliasing based on the analysis of the situation, in view of the high order aliasing will the instantaneous frequency aliasing is near to linear frequency modulation sawtooth wave signal, through the estimate of the frequency and rate, which realize signal aliasing quick order reduction. |
| 9415 | 对于低阶混叠,首先将时频图在频率维周期扩展,再基于形态学图像处理方法提取出无模糊的瞬时频率曲线,最后对其进行多项式的最小二乘拟合完成平动补偿。 | For low order aliasing, first, to expand the time-frequency diagram in frequency cycle, then based on morphological image processing method to extract the fuzzy of instantaneous frequency curve, finally carries on the polynomial least squares fitting to complete the translation compensation. |
| 9416 | 仿真实验验证了所提方法的有效性以及对不同的信号形式和噪声的鲁棒性。 | Simulation experiments verify the effectiveness of the proposed method and the different forms of signal and noise robustness. |
| 9417 | 机载雷达空时自适应处理(space-time adaptive processing,STAP)与单脉冲技术相结合可以实现对运动目标空、时参数的估计。 | When airborne LeiDaKong adaptive processing (space time adaptive processing, STAP) combined with a single pulse technology can realize the estimate of the parameters of the air, a moving target. |
| 9418 | 然而,在非均匀环境下,由于同分布快拍数有限,杂波协方差矩阵难以准确估计,常常导致STAP方法性能急剧下降甚至失效,进而无法有效实现目标检测和参数估计。 | In a heterogeneous environment, however, because the snapshot number is limited, with distribution clutter covariance matrix is difficult to accurately estimate, often leading to STAP method performance fell sharply or even failure, it can no longer be effectively to realize target detection and parameter estimation. |
| 9419 | 本文提出一种直接数据域的动目标空时参数估计方法,该方法首先应用幅相估计谱(amplitude and phase estimation,APES)谱估计由被检测单元数据估计出杂波干扰协方差矩阵,然后利用STAP技术抑制杂波和干扰,并结合单脉冲理论实现对目标角度和多普勒频率的估计。 | This paper presents a direct data domain empty a moving target parameter estimation method, this method first applied amplitude-phase estimated spectrum (amplitude and phase estimation, APES) spectrum estimation by the detection unit data to estimate the clutter interference covariance matrix, then using STAP technology to suppress clutter and interference, and combining with the implementation of target theory of single pulse Angle and doppler frequency estimation. |
| 9420 | 仿真结果表明,与传统单脉冲方法相比,新方法具有自适应抑制杂波干扰的能力和更好的估计性能; | The simulation results show that compared with the traditional method of single pulse, the new method has the adaptive ability to restrain noise interference and better estimation performance; |
| 9421 | 同时由于无需参考数据,该方法更适应于非均匀环境。 | Since no reference data at the same time, this method is more suitable for non-uniform environment. |
| 9422 | 为了提高复杂环境下的应急响应能力,基于元决策提出分解-集成(disassemble-integration,DI)总体设计准则和物元分解的唯一性准则; | In order to improve the emergency response capacity under complicated environment, based on the meta decision decomposition - integration (DI) disassemble - integration, overall design criteria and the uniqueness of decomposition of matter-element standards; |
| 9423 | 讨论了物元变换过程中存在的不足,建立了物元分析和解释结构模型(interpretive structural modeling,ISM)的映射关系。 | Discussed the matter-element transformation process of matter-element analysis and explanation structure model (interpretive structural modeling, ISM) the mapping relationship. |