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- ionosphere defocusing 电离层散焦
- The ionosphere is basically dragged away. 电离层几乎被拖走。
- Optical limiting by using thermal self defocusing[J]. 引用该论文 司金海;刘树田;杨淼;杨昆;李淳飞.
- Its upper limit is determined by the conditions in the ionosphere. 其上限由电离层的状态而决定。
- Rockets and artificial satellites can go far above the ionosphere. 火箭和人造卫星能够到达电离层以上极远的地方。
- Propagation of ultra short wave and microwave in the ionosphere. 见电离层无线电波传播。
- ionospheric defocusing 电离层散焦
- The ionosphere is that region of space containing electrically charged species. 电离层是指含有带电物质的空间区域。
- Their main limitation is that they are incapable of rising to the ionosphere. 他们主要局限性是不能上升到电离层。
- It traps charges, lowering the voltage on the ionosphere, and on us. 它挡住了电荷（挡住了太阳风），使电离层的电压降低，也使我们身体上感应的电压降低。
- In radio communications, one of the three regions which form the ionosphere. 在无线电通信中,电离层的三个分区之一。
- Like Earth, Jupiter has a magnetized ionosphere that rotates with the planet. 木星和地球一样拥有环绕行星的磁化电离层。
- It is componented by the space ionosphere"s reflection against short wave . 它是利用空间电离层对短波的反射构成的。
- The recipe design,melting and ion exchange process for the defocusing and focusing GRIN fiber lens glasses is studied. 本文对发散型和聚焦型两种纤维透镜玻璃的配方设计、熔制以及离子交换工艺进行了研究。
- Photolithographic Fabrication Techniques by Using Defocusing Laser Direct Writing[J]. 引用该论文 李凤友;卢振武;谢永军;张殿文;裴苏;赵晶丽.
- Based on the ABCD matrix and Gaussian beam propagation theory, the Gaussian beam transforming formulas through a parabolic defocusing GRIN fiber lens are derived. 本文根据ABCD矩阵和高斯光束传播理论,导出高斯激光束经抛物型发散梯度折射率纤维透镜的变换公式。
- Analyzed is the dependence of the defocusing quantity on the hologram size and the spatial frequency bandwidth of the object. 分析了全息图尺寸及其记录的空间频带宽度与离焦量的关系;
- The experiments of measuring convergent beam wavefront with a quadratic grating are carried out.It is found that the defocusing aberration... 由于大功率激光束的不稳定性,其波前变化非常快,所以该方法的实时性非常适合于这种波前变化的测量。
- Such waves radiate at the speed of light and are transmitted not only by line of sight but also by deflection from the ionosphere. 这种电磁波以光速传播，其传播方式不仅通过无线电直线传播，还可通过电离层的反射传播。
- Simulation results show phase-diversity method can accurately retrieve the wavefront and defocusing of one wavelength is optimal. 模拟研究结果表明，相位差法可以较准确的恢复出波前相位，并且最优化的离焦波面差为一个波长。
