Aim To investigate the coherent two frequency laser after a single axial mode is split by the way of twisted mode cavity with fine detuning in LD pumped solid state laser. 目的研究在激光二极管泵浦固体激光器内利用扭转模腔微失调的方法产生单纵模分裂并输出相干双频激光,频差连续可调。
The axial lower section of the hemisphere case is equipped with the absorption cavity which connects with the segmental concave cavity. 半球壳体轴向下部设有连通圆缺凹腔的吸收腔。
When the pre-swirl mass flowrate maintains constant, change of the axial mass flowrate has effect on the whole cavity. 当预旋进气质量流量不变时,轴向中心进气的质量流量的改变对整个盘腔都有影响。
Determining the approximate detonation pressure of a cylindric charge with an axial cavity 用电阻应变传感器测定柱状药包爆轰压力的近似值
The transition probability of a two-level atom in the quantum optical field of the coherent and squeezed state is discussed, and the single axial mode hops in the Wigner phase space in resonant cavity also dealt with. 本文在理想近似下,用Wigner相空间处理单纵模激光腔内二能级原子在相干态及压缩态量子光场中的跃迁几率。
The reflective surface placed out of the laser cavity moving along the laser axial can modulate the intensity of the laser by reflecting the output beam back into the cavity. These new phenomena can be used to realize the high resolution and non-contract measurement of displacement. 在激光谐振腔外放置沿激光轴线位移的反射表面,将输出的激光束反射回腔内,以便对激光的光强进行调制,可实现高分辨率非接触式可判向位移测量。
Adjustment of the mean axial electric field in the 10 MeV accelerating cavity 10MeV加速腔轴上平均电场的调整
The plasma distributions in the axial direction were found to be sensitive to the magnetic field configurations in the plasma cavity. 等离子体的轴向分布依赖于等离子体腔室中的磁场形态。
By the axial spiral CT scan and coronal reconstruction, the anatomic variations of nasal cavity and sinuses can be evaluated correctly, and it is very important for the nasal operations. CT轴位螺旋扫描加MPR冠状面重建技术可精确评估鼻腔鼻窦解剖学变异,作为手术前指导。
Analysis of the effects of different axial position of inflow on heat transfer of a rotor-stator disk cavity 轴向进气位置对转静盘腔传热影响的分析
In theory, analyzing vibration and noise source of axial piston pump, simulating the condition of pressure changing in cavity and analyzing the results. 从理论上对轴向柱塞泵的振动及噪声源加以分析,运用计算机仿真柱塞腔孔内压力变化,并对仿真结果加以处理分析。
It is demonstrated that adjusting result of the mean axial electric field is satisfactory in the beam transmissive experiment of the 10 MeV cavity. 在10MeV腔的束流传输效率试验中已证明,腔的场分布调整结果相当令人满意。
For the sake of keeping the high pressure region separate from the low pressure region, the axial length of conjugation should not be less than the axial length of a full seal cavity. 为了隔开高、低压端,共轭副的轴向长度不得小于一个完整密封腔的轴向长度。
Axial shrinkage cavity in the carry ring were eliminated by calculation effective shrink distance of riser and using several risers ( and runners) through casting construction analysis and leading riser design theory to investment casting. 通过铸件结构分析,在熔模铸造中设置冒口,并核算冒口有效补缩距离,选用多个浇(冒)口补缩,消除了拉环部位的轴向缩孔;
It was found that the Cymbal transducer showed more axial displacement with less end cap thickness and Young's modulus, higher electric field on ceramic disk, bigger cavity diameter, and an appropriate cavity height. 结果表明:当盒盖厚度相对较小、盒盖弹性模量较小,陶瓷的厚度相对较小及较大的场强,空腔的半径相对较大,空腔的高度稍大于盒盖的厚度的时候,Cymbal驱动器具有较大纵向位移。
From the analysis of the fast-framing pictures, the influence of discharging power and nozzle structure on the structural characters of plasma jet and the axial and radial expansion velocities of Taylor cavity are discussed. 通过对录像图片的分析,初步获得了放电能量及喷嘴结构对等离子体射流结构特征和泰勒空腔在轴向和径向的发展过程的影响。
Based on mode coupling theory, the general equations for the axial rf standing-wave amplitudes in a complex cavity with gradual transitions are deduced, and for the first time the TM type spurious modes are taken into account. 用模式耦合理论导出了渐变复合腔中高频驻波场幅值纵向分布的普适方程,并首次考虑了TM型寄生模式的影响。
The result of research shows that three assignment windows axial piston pump which is made according to the new assignment theory can completely balance the asymmetrical flow of the two cavity in differential cylinder and will play a more important role in the future application of concrete equipment. 研究成果表明,采用新型配流原理研制成功的三配流窗口轴向柱塞泵,完全可以平衡差动缸两腔的不对称流量,将在不久的具体设备应用中发挥更大的作用。