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- Intensity Modulation Function 强度调制函数
- Intensity modulated radiation therapy means achieving form conformity and dose conformity by altering intens... 而调强适形是通过改变射束剖面强度分布,达到形状适形和剂量适形放疗技术。
- Study on the Fourier Transform Demodulation Theory of the Spectropolarimeter Based on Intensity Modulation[J]. 引用该论文 宋志平;洪津;乔延利;裘桢炜;叶松;陈立刚;汪元钧.
- Fiber Optic Displacement Sensors Based on the Principle of Collimated Beam Reflective Intensity Modulation[J]. 引用该论文 马惠萍;刘丽华;杨乐民;李鹏生.
- A simple analytic expression of conversion efficiency was obtained by using a modulation function to describe an aperiodic QPM gratings. 应用调制函数的概念描述了引入相移后的QPM光栅，得到一个比较简单的计算转换效率的解析运算式。
- Experimental data show that the intensity modulation depth increases with the bias current of LD.When the modulation frequency increases,the intensity modulation depth decreases. 实验数据表明，光强调制度随激光器偏置电流的增加而加深，随调制频率的升高而减小。
- The intensity modulation method is the oldest and simplest method for fiber-optic sensor, in which a homochromatic laser is used as system light source. 强度法是干涉型传感器采用的最古老、最简单的方法，它采用单色激光光源作为系统的光源。
- Simulation shows that the inhomogeneity of electric field reduces the oscillations in photodetachment cross section and its corresponding modulation function. 模拟结果显示出电场的不均匀抑制了光剥离截面和相应调制函数的振荡。
- This type of collimator can replace and simplify all other present collimators on accelerators and conformal intensity modulation radiotherapy equipments. 降低了放疗设备的成本,使适形调强设备,为加速器提供了一种全新的准直器。
- The light beam intensity modulation for writing the grating on a fiber is performed by the amplitude mask with Moire pattern. And the LPG(Long Period Grating)is fabricated in chalcogenide fiber with period of 365nm. 这种方法是采用莫尔条纹构成模板实现对写入光强的振幅调制 ,在硫化物光纤中写入周期为 36 5nm的长周期光栅。
- Simulation shows that the power effectiveness and bit error rate of optical pulse system obviously outperform those of digital sub-carrier intensity modulation system under the same conditions. 仿真结果表明，在同等条件下，光脉冲调制系统的功率有效性要优于数字副载波调制系统，误比特率也明显低于数字副载波调制系统。
- To decrease the effect of the intensity modulation of the LD on measurement accuracy, a novel LD-SPM fiber-optic interferometer is presented, and the theory of the interferometer is analyzed. 提出一种新的消除激光二极管正弦相位调制干涉仪中光强调制影响的干涉仪,给出了具体的理论分析。
- Since the nano/micro-technique and clinical radiotherapy were combined together,magnetically controlled targeted radiotherapy could meet the need of intensity modulation radiation therapy. 磁靶向放射治疗技术将纳微米技术和临床放疗技术有机地结合起来,可以满足适形调强的放射治疗要求。
- In the new method, the spectrum measured value was firstly normalized to eliminate the intensity modulation, and an initial value of Optical Path Difference (OPD) was calculated by extremum method. 该方法首先对干涉谱测量值进行归一化处理，消除低频光强变化的影响，并用极值法求得光程差(OPD)的初值。
- In addition to multiplying and dividing, multipliers can perform squaring, square-rooting and modulation functions. 除了乘法和除法功能外,乘法器还能够完成平方、开方运算和调制功能。
- Based on the basic knowledge of dada mining, this paper presents a common model for data mining and describes its module function. 本文在介绍数据开采基本知识的基础上提出了一个通用的开采机模型 ;并对其各模块的功能做出描述 .
- Positioning and position repeatability in intensity modulation radiotherapy(IMRT)were reviewed in this article.Some aspects should be paid attention to before and after positioning. 该文对适形调强放疗中的摆位及体位重复性问题进行了论述,提出了投照摆位前后应注意的问题。
- The poem showed great intensity of feeling. 这篇韵文表现出强烈的激情。
- In this paper, the development of office automation, the principles of hardware and software select, office ware module function and OA system maintenance are in trobuced. 介绍办公自动化的发展及特征阶段划分,办公自动化网络建设硬件、软件选择的原则,办公软件模块功能介绍,网络办公自动化系统维护管理。
- This article has also reserched the PPP agreement and the GPRS module function with emphasis, how to realize short news receiving and dispatching using AT command of GPRS module. 本文还重点研究了PPP协议和GPRS模块的功能,利用GPRS模块AT指令集,实现短消息的收发。
