linear adj. 1.线的,直线的。 2.长度的。 3.【数学】一次的,线性的。 4.【动、植】线状的;细长的。 5.由线条组成的,以线条为主的,强调线条的。 linear amplification 直线放大。 a linear equation 一次方程式。 a linear leaf 线形叶。 linear arts 线条艺术。
error n. 1.错误;失错。 2.谬见,误想;误信;误解。 3.罪过。 4.【数学】误差;【法律】误审,违法;(棒球中的)错打。 commit [make] an error 犯[出]错。 correct errors 改正错误。 a clerk's [clerical] error 笔误。 mean errors 标准误差。 a writ of error 【法律】(推翻错误原判的)再审命令。 nature's error 天生畸形。 in error 弄错了的;错误地。 errors of commission [omission] 违犯[疏忽]罪。 fall into error 误入歧途。 nature's error 天生畸形。 adj. -less 无错误的,正确的。
Besides , according to the finite element method we acquire the relationship capsule is pressure , and the relationship capsule is radius . find the way to reduce linear error and increase capacitance ' s variety 另外,根据有限元方法的计算,得到了石英压力传感器的变形量大小以及压力、变形量大小与悬臂半径等之间关系,从而找到了减小线性误差和增大电容变化量的办法。
The sensitivity correct and the test of magnitude character for sensor are done by the comparison method , the horizontal sensitivity , linear error and environment character are tested , and the error of indication is calculated in chapter four 第四章采用比较法对传感器进行了灵敏度校准、幅频特性测定,并进行了横向灵敏度、线性误差和环境性能试验,计算出了示值误差。
According to the principles of unequilibrium electric bridge , this paper analyses the work features of the three bridge types and based on experiments , shows how to select the bridge types and parametes . to reduce the non - linear errors and avoid centain unusual circumstances in the measurement 从非平衡电桥测电阻原理出发,分析了3种桥式的工作特性,并通过实例说明如何选取电桥的桥式与参数,以减少测量的非线性误差及避免一些异常情况。
The quantizing error , linear error and differential linear error of an a / d converter were deduced , after that the error model of synchronous sampling , asynchronous sampling and quasi - synchronous sampling algorithms used in power measurement were build in condition that a / d was not perfect 推导了a / d量化误差、非线性及微分非线性误差的数学模型。然后,建立了采样功率测量同步采样算法、非同步采样算法和准同步采样算法在非理想情况下的计算机仿真模型。
This paper analyzes the non - symmetry of elliptic polarization oftwo linear polarized beams , which are perpendicular to each other , caused by their reflecting from a metal mirror . also , it studies the non - linear error created by polarization and how the errors change . the study is very important for improving the measuring accuracy of polarized heterodyne interferometer 主要分析两束相互垂直的线偏振光经过金属反射镜反射后引起的椭圆偏振化的不对称性,并研究由此产生的非线性误差的变化规律,这对提高偏振光外差干涉仪的测量精度是极为重要的。
In new state standard < < machining center testing items - accuracy testing > > [ refering to iso / dis10791 ] , issued in 1999 , the test of straightness accuracy has been changed . now it becomes more scientific and reasonable . in old state standard , the testing of straightness accuracy of kinetic part only focus on vertical and " horizontal plane , and it only includes two linear errors ; but in new state standard , we not only measure those two linear errors , but also measure the errors of pitching , deflecting , and inclining of the kinetic part , so it includes two linear errors and three angle errors 1999年公布的国标《加工中心检验条件?精度检验》 (参照iso dis10791订)中,直线度等项的检测做了更为科学的实质性更改,坐标移动的直线度以由只检测垂直面和水平面内的两个平移线值误差,改为用移动坐标方向之外的另两个坐标的平移线值误差和移动部件绕三个坐标轴的俯仰,偏摆和倾斜三个角值误差综合表征。
Study on strapdown inertial navigation system ( sins ) the concept , process and the already done work of initial alignment of sins arc introduced briefly . for selecting coordinate and deriving the error model , presenting some kinds of coordinate in the inertial navigation system ( ins ) ; the initial alignment of sins theory is introduced in detail ; the linear error model of moving base initial alignment of sins is derived , including analysis in characteristic and influence of system error of inertial apparatus . 捷联惯导系统的研究:首先概要介绍了惯导系统的相关知识,阐述了捷联惯导系统的优点;分析了初始对准姿态确定的几种坐标系,为建模定义了坐标系选择和姿态矩阵;详细研究了捷联惯导系统的初始对准原理,推导并给出了捷联惯导系统动基座初始对准的误差方程,并分析了误差特性以及惯性仪表误差对系统误差的影响;
However , the performance of these algorithms that are based on linear approximation degrades considerably in highly nonlinear situation . whereas the ekf requires the evaluation of the jacobian to obtain the observation matrix , the cmkf needs it to compute the measurement error covariance . both of them employ linear approximation , and thus linear error is inevitible 论文第四章分析了ekf和cmkf在某些情况下跟踪性能不理想的原因: ekf需要对量测方程进行线性近似, cmkf在计算转换测量值误差的均值和方差时同样要进行线性近似,因此无法避免线性化误差。
Abstract : this paper analyzes the non - symmetry of elliptic polarization oftwo linear polarized beams , which are perpendicular to each other , caused by their reflecting from a metal mirror . also , it studies the non - linear error created by polarization and how the errors change . the study is very important for improving the measuring accuracy of polarized heterodyne interferometer 文摘:主要分析两束相互垂直的线偏振光经过金属反射镜反射后引起的椭圆偏振化的不对称性,并研究由此产生的非线性误差的变化规律,这对提高偏振光外差干涉仪的测量精度是极为重要的。