查询词典 Pulse

Results: Occurrence rate shows patient of this group complication respectively for 9.1%, for part bleeding with haematoma , blood vessel inner infection , thrombopoiesis , arrhythmia cordis , hypotension or shock and crowning pulse spasm , the aneurism with and so on.

结果：本组患者并发症发生率为9.19%，分别表现为局部出血和血肿、血管内感染、血栓形成、心律失常、低血压或休克及冠脉痉挛、动脉瘤等。

Objective To study the efficiency of long pulse tunable 1 064nm Nd:YAG laser in the treatment of angioma serpiginosum.

目的：探讨可调长脉冲1064nm Nd：YAG激光治疗匐行性血管瘤的有效性。

The system adopted active tracking,namely calculate the input angle of the tracking device in advance,the angle is correspondent to the sun position some moment.Photoelectric sensors react the sunlight that putting on different position of the platform, feedback electrical signal.Then single-chip applys the subprogram and sends out pulse to step motors according to the signals,can control the rotate angle and direction of the step motor. The mechanism has realized the automatic track to the sun, so that the trackers top flat board can be always vertical to the sunlight and arrive the furthest receiving energy.

系统采用主动式跟踪，即预先计算好对应于某时刻太阳位置的跟踪机构的输入角度，通过跟踪器上平台不同位置上摆放的光电传感器感受该太阳位置的光照，反馈回电信号，单片机根据该信号调用子程序发出脉冲对步进电动机的转动角度和方向进行控制，实现了机构对太阳的自动跟踪，使跟踪装置的上平台始终处于垂直于光照方向，达到了能量最大限度的接收。

Creative research has been carried in the technologies of temporal pulse shaping, spatial intensity shaping, angular spectrum dispersion, and wave front control, which cover four parameters of time, amplitude, spectrum and phase that describe the characteristics of a laser beam.

以表征激光束特性的时间、振幅、光谱、位相等四个信息参量为对象，创新性地研究了脉沖时域整形技术、光强空间整形技术、光谱角色散技术和波前控制技术。

The intensityand phase of the pulse were quantificationally measured,and the spatial chirp and pulsefront tilt induced by angular dispersion were qualitatively measured.

描述了空间啁啾和脉冲倾斜的传输规律，建立了一套飞秒脉冲测量装置，对飞秒激光脉冲和光谱的强度和相位进行了定量测量，对角色散引起的空间啁啾和脉冲倾斜进行了定性测量。

Spectrum control technology and its application researchBasic theory of smoothing by spectral dispersion in high-power laser system was studied. Periodical frequency modulation was obtained by chirped pulse stacking, and novel special gratings were proposed here to obtain angular spectral dispersion and temporal smoothing of focal spot.

并在国际上首次成功地应用于激光聚变高功率激光系统中。3、激光脉冲光谱控制技术及应用研究研究了高功率激光光谱色散平滑的基本理论，提出利用堆积啁啾脉冲的周期性光谱调制特性和新颖特殊光栅实现光谱角色散和激光束远场焦斑的时间平滑。

From the point of view of eliminating angular dispersion, the planar tilt errors and groove parallelism can ompensate each other, and the groove-width difference and planar errors of tip can also compensate each other.

标 签 光学器件拼接光栅压缩器时域特性脉冲展宽偏差补偿 optical devices tiled grating compressor temporal property pulse-broadening alignment errors compensation

Stepper motor is a pulse will be transferred into angular displacement of the Electrical and Mechanical-DAC devices.

步进电机是一个将脉冲信号转移成角位移的机电式数模转换器装置。

Stepper motor is the working principle of electrical pulse signal into angular displacement of a Electromechanical Digital to Analog.

步进电机的工作原理是将电脉冲信号转换成角位移的一种机电式数模转换器。

Stepper motor is a pulse will be converted into the corresponding angular displacement of electromagnetic devices, is a special motor.

步进电动机是一种将脉冲信号变换成相应的角位移的电磁装置，是一种特殊的电动机。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。