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- Keywords Two laser guide instrument;Tunnel;Drivage;Survey; 双激光指向仪;巷道;掘进;测量;
- Two laser guide instrument 双激光指向仪
- Setting-out of driving workings direction by laser guide instrument; 用激光指向仪指示巷道掘砌工作的方向和坡度。
- laser guide instrument 激光导向仪
- Photoconduction-Type CdS Detector Irradiated by Two Laser Beams[J]. 引用该论文 李莉;陆启生;江厚满;程湘爱.
- Steen M W, Counlney C G H.Residual stresses in two laser surface melted stainless steel[J].Metals Technology, 1980(6):232. 曾晓雁.;激光工艺参数对熔覆层质量的影响[J]
- In the experiment,the two laser beams of different wavelengths,which are separated at the output end of demultiplexer, are observed successfully. 实验中成功地观察到同光纤传输的两个不同波长的激光信号在波分器的输出端分离。
- Especially for astronomical observation of a faint object, the wavefront sensor can not sample its light.In this case, the laser guide stars are very important. 特别是在观测天文暗目标时,其自身的 光强度不能为波前探测提供信息,激光引导星就显得非常重要。
- According to the weakness of laser alarm and jamming,a alarm and jamming method against laser guide weapon using Brillouin enhanced Four-wave mixing is proposed. 针对现有的激光告警和干扰方法的缺点,提出了利用布里渊增强四波混频法实现对激光制导武器一体化告警和干扰的方法。
- With the same recipe, shorter cure time, comparative smaller degree of two laser beams and thinner PDLC film give rise to higher diffraction efficiency. 较小的膜层厚度、较小的光束夹角和较短的曝光聚合固化时间有利于衍射效率的提高。
- This paper analyses the coupling wastage in columniform wave guide gas laser, and gives the function between the coupling wastage of laser guide modulo EH11 and the position and radius of reflector. 摘要分析了圆柱形波导气体激光器中的耦合损耗,给出了最低阶波导模EH11的耦合损耗与反射镜位置、曲率半径的函数关系。
- The two laser beam system has been used to measure the relative density of linen dust, with the feature of wide measurement range,good sensitivity and restraining the intensity fluctuation noise. 本文采用双光路激光系统,对亚麻尘的相对浓度进行了连续测量,具有测量范围宽、灵敏度好、抑制激光强度起伏噪声等特点。
- The realization of this method provides a new means for the measurement of atmospheric turbulence in different direction and different altitude, and also a technical base of the laser guide star for adaptive optics. 这种测量方法的实现,为测量空间不同方位、不同距离的大气湍流提供了一种新的手段。
- In the scheme the ion is excited by two laser fields tuned to the first lower and higher vibrational sidebands, and then by one laser tuned to the ion transition in an alternative way. 在本方案中,这个离子受到两个分别调到第一高、振动边带的激光场和一个与离子共振的激光场的轮流激发。
- Abstract: Indirect-drive targets is a capsule encased in a cylindrical Au hohlraum with two laser entrance at opposite ends.The capsule is composed of gas fuel, glass shell and CH ablator. 摘要: 间接驱动内爆靶丸由外层CH涂层,内层玻璃球壳和内部充入的气体组成。
- The two systems of government are polar opposites. 这两种政体正好相反。
- The business is owned by two partners. 这家商行为两名合伙人所拥有。
- Current situation and future development of semi active laser guided missiles were reviewed. Two components and the key technologies of semi active laser homing head were analysed. 综述了激光半主动寻的制导导弹的发展与现状,分析了激光半主动寻的系统的组成与技术关键,介绍了几种典型的激光半主动寻的制导导弹。
- This article sum up the guide principle?development and actuality of laser seeker in semi active laser guided weapons, emphasizing its structure and function?speciality. 综述了半主动激光制导武器中导引头的制导原理、发展和现状,着重介绍了导引头的结构型式、功能及其特点。
- Based on the modulated frequency of the spatially overlapping between two lasers, the relationship between the laser intensity and modulated frequency is discussed. 根据激光之间空间耦合作用的调制频率,讨论并分析了激光系统中强度与调制频率之间的关系。