调制函数 meaning in English
modulation function
Examples
- Spectral gain narrowing compensation modulation function in high - power ultrashort - pulse laser systems
高功率超短脉冲激光系统中光谱增益窄化补偿的调制函数 - Then , the mathematical models corresponding to the tri - fiber sensors and six types of fiber bundle sensors are established with the aid of fiber pair model
根据所得到的准高斯反射光分布模型，建立了通用的三光纤传感器的强度调制函数。 - In succession , the theory of chirped - pulse amplifier system is given in detail , firstly , studying from designing experimental light road and optical components to theoretical analysis , we par ' tly finished the system by ourselves . about ultr a - shoft pulse with a pulse - width of 9 . 8f s and output power of 650mw and band - width of about l 20nm is output from oscillator source , secondiy , the stretching capacity of single grating four - pass stretcher is measured using abcd matrix combining collins function , and the effect of relativ e parameters to the streching ratio is also simulated . thirdly , a new type of disjunctional frequency moduiating function is provided according to the gain - narrowing and gain - saturation which are appeared in the co urse of amplification , under modulating the two effects are both controlled on some e xtent , fourthiy , the effect of ase that is often ignored by people is analyzed and the resolving methods are also given
从光路、光学元件的自行设计到理论分析计算，初步建立了一台实验系统；采用abcd矩阵法结合collins公式计算了四通式单光栅展宽器的展宽量，并模拟了相关参数对展宽比的影响，对实验具有指导意义；评价了再生放大器和多通放大器的优缺点，对放大过程中通常忽略的放大自发辐射现象（ ase ）进行了分析，并提出了相应的解决方法；针对放大过程中出现的增益窄化和增益饱和现象，对输入种子脉冲提出了一种新的分段频率调制函数，实现了对增益窄化效应和增益饱和效应的共同抑制；提出了系统的材料（包括放大介质和光路中的普通介质）正是融合高阶色散的来源。 - Switching losses analysis indicates that the switching losses can be extremely reduced with different load qualities by choosing proper phase - voltage modulation method . the method of minimum switching losses svm is investigated . the modulation functions of a quasi - optimum method and a two - phase modulation method are given
本文深入研究了一种基于电压空间矢量的最小开关损耗pwm技术，给出了准优化方法和二相优化方法的相电压调制函数，并在理论分析的基础上，通过仿真实验，对两种减少开关损耗的方法和调制与过调制进行了分析。 - In this paper , we analyzed the modulation of the interference intensity of each pixel on the time sequence speckle patterns in the time domain and proposed a new phase retrieve method , time sequence phase method ( tspm ) , in which the time sequence speckle interferograms are used to obtain the whole field deformation of the object
本论文通过对序列散斑图上各点在时间轴上散斑强度调制函数的变化进行分析，提出了一种基于时间序列的散斑干涉场的相位解调方法，进而获得物体全场变形信息。