查询词典 RCS

A novel method, Block SAPOR, is proposed for MOR analysis of RCS interconnect circuits.

在大规模RCS互连电路降阶分析方面，本文提出了一种基于块二次Arnoldi过程的降阶算法Block SAPOR。

Compared with ENOR and SMOR, the only two existing MOR analysis methods for RCS interconnect circuits, Block SAPOR overcomes their deficiencies of numerical instability or limited reduction accuracy.

Block SAPOR克服了现有的RCS互连电路降阶算法ENOR和SMOR存在的数值不稳定和降阶精度有限的不足，是目前为止最有效的二阶系统降阶技术。

The results show that the RCS of the perfectly conducting cube scatterer covered with plasma decreases. This technology can be used in aircraft stealthy.

结果表明：金属方柱的等离子体覆盖层可以有效地减小雷达目标的RCS，这一结论可以应用于航空飞行器的隐身技术中。

Indeed, it was his single-mindedness that got him into trouble at RCS.

事实上，正是由于他的倔强态度（single-mindedness专心）让他在RCS陷入窘境。

Methods The method of shooting and bouncing rays was used to calculate the RCS and stokes' theorem was used to improve the arithmetic.

方法利用射线跟踪法对电大尺寸的三面角反射器的后向散射场进行分析，并利用斯托克斯定理将射线跟踪法中的面积分简化为代数多项式。

Different sweepback sweepback-wing and triangle-wing′s radar cross sectionare computed with finite difference time domain,and the profiles for the RCS are analyzed.

以时域有限差分法计算了不同后掠角的后掠翼和三角翼的雷达散射截面，并对其分布情况进行了分析；计算了不同后掠角的后掠翼和三角翼在多个频段的RCS，并按照不同的威胁判断求出平均值，得出RCS随频率的变化情况。

To obtain the RCS of dipole-array antennas, the system of electric field integral equations is turned into a linear algebra system whose coefficient matrix is a symmetric block Toeplitz complex matrix by using Calerkin method with pulse basis functions.

为计算线天线阵列的雷达散射截面，用脉冲函数为基函数的Galerkin法将线天线阵列的电场积分方程组转化为一个线性方程组，其系数矩阵是一个对称的二重复Toeplitz矩阵。

Aim To calculate the RCS of trihedral corner reflectors and improve the typical arithmetic of SBR.

目的研究三面角反射器后向散射场问题，并对射线跟踪法的典型算法进行改进，以提高运算速度。

This paper focuses on the effects of machining tolerance on monostatic RCS of triangular trihedral corner reflector s by using Physical Optics method.

基于物理光学法研究了三角形三面角反射器加工公差对其单站雷达散射截面的影响。

The frequency range and distortion model affected by Faraday rotation were analyzed. A kind of calibration algorithm was introduced, in which trihedral corner reflectors were used to calibrate POLSAR image subject to channel imbalance, Faraday rotation and RCS distortion. [2]Three kinds of target decomposition theorems used to extract polarimetric features of SAR image were studied in detail. A kind of POLSAR MLC image data decomposition method based on classical coherent decomposition theorem of POLSAR SLC image was introduced, which was used to extract polarimetric features of POLSAR MLC image.

当工作频率小于1GHz时，法拉第旋转是影响低频星载极化SAR图像定标的一个重要因素，论文分析了受法拉第旋转影响的波段范围和误差模型，提出了一种校正通道不平衡度、法拉第旋转和绝对幅度增益的极化定标算法，仅使用一种点目标——三角反射器作为定标体，应用于受法拉第旋转影响的极化SAR图像定标； [2]深入研究了三类用于SAR图像极化特征提取的目标分解理论。

Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。