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- intensity modulation circuit 调辉电路
- 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.
- Because of built-in PWM circuit(pulse width modulation circuit),dimming range is wider than earlier type products. 因使用PWM（脉冲宽度调制）电路，产品具有较宽的调光范围。
- 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。
- Universal switch network and signal modulate circuit are designed. 设计了通用的通道开关网络和信号调理电路。
- 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。
- In addition, the automatic gain control circuit and accessional phase modulation circuit are designed in order to control light power on the stage of external modulation. 另外设计了自动增益控制电路和附加相位调制电路,对外调制阶段的光功率进行控制。
- 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。
- The correction function can also be applied to Scan Velocity Modulation Circuit that aims to enhance the horizontal sharpness of CRTs and the relative implementation is introduced. 同样将修正函数应用于针对CRT进行水平方向锐度增强的扫描速度调制电路，也可以改善增强效果。
- 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 this paper, the sensitivity adjustable woof-detecting module circuit and high-low voltage driving circuit is described in large details. 重点介绍了灵敏度可调的纬纱检测模块的设计电路和采用高低压驱动的选纬指控制模组的设计电路。
- 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。
- Abstract :This article introduces the way that modulator circuit of the single pulse radar was realized by IGBT. 摘要:介绍了用IGBT实现单脉冲雷达调制器电路的方法;
- The poem showed great intensity of feeling. 这篇韵文表现出强烈的激情。
