查询词典 linear

A laser 3D body scanning system based on light stripe method was presented,which can realize body contour automatic scanning from top to bottom and forming a circinal stripe on body surface with four semiconductor laser linear light sources.Light stripe image is received from eight image CCD cameras located on the two sides of linear light sources.

研制了光带法激光三维人体扫描系统，以4个半导体激光线光源在人体表面形成一个环带，通过位于线光源两侧的8个面阵CCD摄像头接收光带像，在四轴伺服同步扫描系统和计算机网络采集系统的支持下，自上而下地实现了人体外形轮廓的自动扫描。

Bracts linear to linear-lanceolate, 8--20 × as long as wide, apex acuminate or cirrose.

苞片线形到线状披针形， 8 - 20 *倍于宽，先端渐尖或有卷须。

Seeds linear, elongated, not beaked, apex comose; endosperm copious; cotyledons linear, flat, radicle superior.

结子线形，拉长，不发，先端；胚乳丰富线形，平的子叶，上位的胚根。

Based on the computer vision method, we have proposed use of a nonlinear rotational observer and a linear translational observer to estimate the relative motion rate; To ensure the completement of the spacecraft docking task, we have also proposed a new nonlinear control csheme for attitude control and a linear control scheme for orbit control.

针对具体的测量手段，提出了一种非线性观测器来重构出相对姿态变化；为了保证对接任务的完成，提出了一种新的姿态控制的非线性控制方案及轨道控制的线性控制方案，在理论上分析了其稳定性。

In the third chapter, we present a theoretical description and numerical simulation for the effective linear and nonlinear optical properties of compositionally graded films consisting of nonlinear metal particles and linear dielectric particles.

对比理论和模拟结果，两者在直流情况下吻合的相当好，而在交流情况下，两者也能很好的定性符合的，考虑差异主要来源于采用了退耦近似和局域电场取模近似的缘故。

In the research of techniques in curved surface reconstruction and feature extraction, the modeling of NURBS interplation curved surface based on rectangular is focused, in which centripetal parameter is applied to construct node vector, the application of interplation method guarantees the accuracy of curved surface construction, bicubic NURBS curved surface is taken as an example to demonstrate the process of curved surface modeling, and the effectiveness of NURBS is approved in application; Meanwhile, the application of feature techniques in reverse engineering is also diSCUSSed, the recognition and extraction method of feature curved surface are investigated, the relationship between feature recognition and the curvature of curved surface is discussed, with the application of linear and non-linear least squares procedure, data fitting of conicoid in ball surface, cylinder surface and cone surface is

以上述的研究工作为基础，根据企业的实际需求选定轻客和重卡作为研究对象完成了基于反求工程的车身改型设计和优化的工程实践，通过工程实践对反求工程各关键支撑技术进行了验证，所开发的新车型也获得了良好的市场反应。

A genetic algorithm is used to optimize feedback gain matrix of all local linear sub-systems, which can ensure the correlate between local linear controllers and change gains continuatively and improve helicopter handling qualities.

对于直升机在整个飞行包络内得到的各个平衡点处的线性子系统，本文采用遗传算法对反馈增益阵进行优化选择，保证了各个子系统控制器之间的相关性，使得神经网络能够进行连续增益调参，改善了直升机的飞行品质。

The contributions of this paper are followed:1 IntroductionIntroduce the concept "Blind" and present MEMO blind source separation model.2 Research on the instantaneous mixture systemReview the techniques developed for the demixing of the instantaneous mixture case.3 Research on the linear convolutive systemModel the linear convolutive system and review the deconvolution approaches in time domain.4 Introduce a new method to MIMO BSSA new approach to MIMO blind source separation in frequency domain is introduced, experimental tests are conducted,and results are satisfied.

论文包括了以下几个部分： 1。简介介绍&盲&的概念，并对瞬时混合盲源分离系统进行建模。 2。对瞬时混合多输入多输出系统的研究对瞬时混合系统的盲源分离原理和技术进行了简单的回顾。 3。对线性卷积混合系统时域算法的研究对线性卷积混合系统建模，并对时域的盲解卷方法进行研究和比较。 4。提出了一种对线性卷积混合系统进行分离的新方法提出一种多输入多输出线性混合系统的频域盲源分离方法，进行仿真实验，以验证该算法的效果，初步结果令人满意的

Leaf blade linear or linear-lanceolate; cincinni not cristate; bracts much narrower, not ciliate.

叶片线形披针形或线形；蝎尾状聚伞花序不鸡冠状；非常狭窄的苞片，不具缘毛。

Not only should cryptographically strong sequences have a large linear complexity, but also the change of a few terms should not cause a significant decrease in linear complexity.

密码学意义上强的序列不仅应该具有足够高的线性复杂度，而且当少量比特发生变化时不会引起线性复杂度的急剧下降，即具有足够高的k-错线性复杂度。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。