查询词典 elliptical orbit

According to Shilnikov Theorem, on the condition that satisfies the basic characteristics of heteroclinic orbit, Shilnikov inequality and the eigenvalue equation, by finding a heteroclinic orbit consist of three geometric invariant sets, namely unstable manifold, heteroclinic point, and stable manifold, a set of real parameters accordance with the condition of existing heteroclnic orbit is obtained in this chaotic system.

根据Shilnikov定理，在满足异宿轨道基本特性、Shilnikov不等式和特征方程条件下，通过寻找该系统中一条由不稳定流形、异宿点和稳定流形三个几何不变集构成的异宿轨道，在分段Sprott系统中导出了存在异宿轨道时该系统中各个参数应符合的条件，并找到了一组对应的实参数，由此证明了异宿轨道的存在性。

In satellite formation flight, the measurement and determination of independent relative orbit is one of the most important techniques of formation flight. The traditional techniques of using star sensor, radar and GPS signal to determine relative orbit are considered. Relative orbit determination which is based on pseudo satellite technique is considered.

编队飞行卫星群自主式相对轨道测量和确定是绕飞轨道的关键技术之一，考虑了利用星敏感器和雷达以及利用GPS信号来进行相对定轨的传统方式，提出了基于伪卫星技术的定轨方案。

It follows a rather unusual orbit, heliocentric instead of geocentric , trailing and drifting away from Earth's orbit at approximately 0.1 astronomical unit per year (a so-called "earth-trailing" orbit).

因此不寻常的轨道，日心说代替地心，尾随和漂流约0.1每年天文单位远离地球的轨道上（所谓的&地球尾随&轨道）。

The Saturn V would be necessary to take it to polar orbit, or sun-synchronous orbit (neither of which has yet been achieved by any manned spacecraft), and even to the geosynchronous orbit of Syncom 3, a communications satellite ...

土星五是要以它为极地轨道或太阳同步轨道(既不是至今尚未取得任何载人航天器)，甚至威胁到地球同步转移轨道的syncom3号通信卫星不甚静止轨道。

The relation between the spectrographic aperture ratio and elliptical eccentricity, spectral angle is also analyzed according to the elliptical geometry, it will decrease when the x-ray wavelength increases.

根据椭圆的几何关系，研究了光谱相对孔径与椭圆的离心率和谱线探测角之间的关系，它随X射线波长增大而减小。

The relation between orbital angular momentum of complex astigmatic elliptical beams and their parameters is investigated based on the elliptical Hermite–Gaussian beams theory.

我们研究了复杂像散椭圆光束的轨道角动量和光学参数之间的关系。

When the elliptical coaxial line becomes a circular coaxial line, the mode eigenequation of the circular coaxial line can be obtained from the mode eigenequation of the elliptical coaxial line using the asymptotic formulae of angular and radial Mathieu functions.

研究表明：当椭圆退化为圆时，利用角向和径向马修函数的渐进关系，可得到填充多层介质的圆形同轴线的模式特征方程，由此可见，圆形同轴线可看作椭圆形同轴线的特例；当椭圆同轴线内导体半长轴大小为零时，则椭圆同轴线就变成椭圆波导，同样的方法，可得到填充多层介质的椭圆波导模式特征方程。

In strictly, it is hard to make the light normal incident into the sphere, double refraction will take place in crystal sphere when a TEM〓 mode Gaussian beam oblique incident into the sphere, and the two orthogonal polarized beams are both elliptical Gaussian beam. The ellipticity and eccentricity of the elliptical Gaussian beam will change with the incident angle, and for a fixed incident angle, they will change with the shifting of incident beam waist position.

由于严格意义上的正入射较难实现，基模圆高斯光束斜入射晶体球后将在球内产生双折射，且球内偏振态正交的两束折射光都将是椭圆高斯光束，它们的椭圆度e和偏心度Δ随入射角的改变而改变，在入射角一定的情况下，入射光束束腰的移动也将改变这两束折射光的椭圆度e和偏心度Δ。

According to the characteristics of elliptical motion exerciser, this objective of the study is to systematically design new front crank type elliptical motion exerciser that can adjust its link length.

根据可调杆长的椭圆运动机的运动特性，因此本研究的目的在於以系统化方设计新型的可调杆长的前置曲柄式椭圆运动机的机构构型。

According to the characteristics of elliptical motion exerciser, this objective of the study is to systematically design new rear crank type elliptical motion exerciser that can adjust its link length.

根据可调杆长的椭圆运动机的运动特性，因此本研究的目的在於以系统化方设计新型的可调杆长的后置曲柄式椭圆运动机的机构构型。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？