查询词典 polarizing angle

When measuring, based on the segmented contour line of thread, we used the compiled measurement program to calculate and measure the geometrical parameters of the internal taper thread as pitch, half of thread angle and taper angle. Precisions of pitch, half of thread angle and taper angle reached ±0.012mm,±0.17° and ±0.018°. The results satisfied with the technique requirement of production. The reason of error was analyzed.

在测量尺寸时，使用自编程序计算测量内螺纹的螺距、牙型半形及锥角，测量精度分别达到±0.012mm、±0.17°和±0.018°，满足产品的技术要求，并分析了误差产生的原因。

a system of along-track mode sar based on the gps is established.by seeing the gps signal as a chirp,chirp scaling algorithm of this mode with large squint angle is investigated.chirp scaling algorithm is considered more efficient and widely applicable when the bistatic sar system is in side-look or small squint angle mode,but in large squint angle case,the errors caused by taylor expansion are so large that the algorithm could lose its precision.in such a case,an equivalent mono-static sar range mode which has fewer errors than taylor expansion with large squint angle is proposed to substitute the range history of bistatic sar.then bistatic sar images with large squint angles are gotten by common nonlinear cs algorithm.the effectivity of the method is verified by matlab simulation.

摘 要：建立了基于gps的顺轨sar系统模型，通过将gps信号等效为chirp信号，研究了在该模式下的大斜视角chirp scaling算法。在正侧视或小斜视情况下，cs算法具有较好的聚焦性能和广泛的适用性，但在斜视角较大的情况下，该算法将散焦而不能成像，因而提出了用等效的单基地距离模型来代替双基地距离历史的方法，解决了大斜视角情况下距离模型二阶近似误差较大的问题，并结合单基地非线性cs算法，实现了在大斜视角情况下的基于gps反射信号的双基地sar高精度成像，最后通过matlab仿真进行了验证。

At the peak point of backward swing, the vertical height from the center of the ball to the ground was 1.34 ±0.01 meters, the angle of the shoulder was 82 ± 2.5 degrees and the angle of the elbow was 161.35 degrees. During release, the vertical height was 0.13 ±0.01 meters, the angle of the shoulder was 48.00 ± 3.64 degrees and the angle of the elbow was 160.71 degrees.

所得具体结果如下：在后摆最高点时，球体中心点距地面之垂直高度平均为1.34 ±0.01公尺，肩关节角度为82 ± 2.5度，肘关节角度为161.35度；而在出手瞬间球体中心点距地面之垂直高度平均为0.13 ±0.01公尺，肩关节角度为48.00 ± 3.64度，肘关节角度为160.71度。

The theoretical and experimental investigations of discus flight indicate the following useful conclusions:the optimum combination of throw angle and discus inclination angle is 35°/26°at zero wind,while 45°is not the best release angle due to the aerodynamic force;different combinations of throw angle and inclination angl...

由于气动力的作用，45°并非铁饼的最佳投掷角度，实验和理论研究表明：无风时35°/26°的投掷角/倾角组合最佳；顺风和逆风投掷必须采用不同的投掷角/倾角组合才能获得当地条件下的最好成绩；铁饼出手时25r/s的自转速度已经可以满足稳定性的要求。

According to the functional requirements of adaptive front-lighting system, the relationships between the yaw angle and pitch angle of light axis in AFS and vehicle parameters, including speed, steering wheel angle and pitch angle of vehicle body are derived, thus a kinematics model for AFS is set up.

根据自适应前照灯系统的功能要求，推导了车辆参数（车速、转向盘转角和车身仰俯角）与车灯光轴沿水平和垂直两个方向的偏转角度之间的关系，建立了自适应前照灯系统的运动学模型。

In order to improve the energy efficiency and image contrast of liquid crystal display projector, a wide-angle and broadband optical thin-film polarizing beam splitter was designed.

为提高液晶投影机的光能利用率和图像对比度，设计了一种宽角度宽波长的光学薄膜偏振分束器。

And the changes of polarizing angle are compared in the different transmitting range.

并比较了偏振激光在不同传输距离时，其偏振角的变化情况。

And the changes of polarizing angle are compared in the differen

并比较了偏振激光在不同传输距离时，其偏振角的变化情况。

The effect of the linear birefringence and the incident polarizing angle on the output performance of the sensor were derived using Jones matrix,and simulations were made.

介绍了基于法拉第磁光效应小型光纤磁场传感器的系统结构，利用琼斯矩阵对线双折射及入射起偏角对传感器输出特性的影响进行了推导与仿真。

An analytical study on transmitted intensity perturbance of air-gaped Glan-type polarizing prisms with varying rotation angle is given.

线偏振光正入射的情况下，空气隙间隔格兰型棱镜的透射光强随旋转角出现周期性增强的扰动。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。