The experimental research of fast neutron resonance radiography ( FNRR) was carried out with an on-off resonance peak method. 利用两次成像法对快中子共振成像进行研究。
Larger height corresponds to smaller LSP resonance wavelength and narrower resonance peak. 当金纳米颗粒的高度较大时,共振波长较短并且共振峰半高宽较小。
Each resonance peak in the Fourier transformed cross section is associated with one electron's closed orbit. 为了表明光剥离截面和闭合轨道的关系,我们计算了这一体系的傅立叶变换截面。
No remarkable resonance peak, limiting factor in laser diodes, is observed during this modification in transistor laser structure. 谐振峰是限制激光二极管性能的因素之一,而在这种晶体管激光器结构中,没有观察到明显的谐振峰。
The characteristics of swing frequency and resonance peak at low/ high end are introduced by swing frequency both of constant current and voltage. 振动台的恒流幅频特性、恒压幅频特性,描述的是幅频特性和低频端及高频端的共振特性凸峰。
THz photon energy can be characterized by the difference of gate voltage positions between the resonance peak and satellite peak. 通过这两个峰位的栅压间距可以估算出THz光子的能量。
Resonance Peak Analysis of Chinese Speech Signal Based on LPC 基于LPC汉语信号共振峰分析
In this paper, the three-level electro-hydraulic servo valve controller has been improved with the correction methods. As a result, the increased damping and the reduced resonance peak value make the dynamic response of the servo valve raise. 论述了通过三级电液伺服阀控制器的改进,利用校正环节提高三级电液伺服阀的阻尼,降低谐振峰值,进而提高三级电液阀的动态响应。
Only one group of resonance peak exists if the input polarization state is just one of the two linear polarization states. 调整输入偏振态为X、Y两线偏振态之一时,就仅出现一组谐振峰。
A new localized mode have been found; The particular resonance peak in transmissivity function is found due to the surface localized mode. 孤子附近出现了一个新的局域振动模G6;由于表面局域态的存在,声波的透过率出现共振峰。
The numerical simulation and test result of the experimental sample indicate that the system can control both vibration and shock and it also has a wider frequency response range, a greater displacement response range and a satisfying vibration isolation ratio without resonance peak. 对实验样机的数值仿真和试验结果表明,系统可以兼顾振动与冲击控制,具有无谐振峰和较宽的频率响应范围、较大的位移响应范围和较为理想的隔振率的优点。
This article provides a method of realizing speech synthesis based on LPC, by using resonance peak parameter estimation. 本文基于线性预测技术(LPC),对语音信号的共振峰参数估值,实现语音合成。
When the input intensity undergoes a sinusoidal modulation, we predict the resonance and shift of resonance peak of the output intensity in the stable region and the appearance of frequency looking phenomena in the unstable region. 对输入光作简谐调制时,预言了稳区输出光的共振效应和共振峰的偏移以及非稳区的频率锁定等现象。
A variety of experimental methods are available to measure the damping properties of metals, because damping can be characterized by the decay of free oscillations, the width of the resonance peak or the phase lag between stress and strain. 由于自由衰减速率,共振峰宽度和应力-应变相位差都能够反映金属材料的阻尼性能高低,阻尼测试方法较多。
With the increase of UV exposure, the resonance wavelength shifts toward longer wavelength and resonance peak intensity increases first and then decreases. 随着曝光量的增加,其共振波长向长波方向移动,共振峰强度先增大继而减小。
Using focused electron beam lithography method, we prepared gold nanostructures on glass substrate, and studied the size, morphology, surface plasmon resonance peak, and electric field distribution of the gold nanostructures. 利用聚焦电子束刻蚀法,我们在玻璃基板表面制备了金纳米结构,系统研究了金纳米结构的尺寸、形貌、表面等离子体共振性能以及金纳米结构周围电场强度的分布情况。
The surface plasma resonance peak positions is influenced by the size, shape, metal composition and surrounding medium, the surface electrical field of nanoparticles are enhanced greatly. 通过控制金属纳米粒子的尺寸、排列结构等,可调节其表面等离子体共振峰位,并且粒子表面附近的电场得到极大增强。
We find under the existing of the resonance level, it has resonance peak and its location changes with the incident particle energy, the width and height of the barrier. 由于共振能级的存在,会出现共振峰,并且共振峰会随着势垒的宽度和高度的变化而变化。
The transmission probability of electrons in the multi-layer barrier and well can be calculated by using transfer matrix method, where the transmission resonance peak in the calculation can be regarded as a good energy filter. 利用传递矩阵法可计算电子在多层势垒势阱中的传输几率谱,并得到能作为好的能量过滤体的透射共振峰。
Given other related parameters, the more height of the barrier and the more numbers of the resonance peak. 在给定其它参数的情况下,势垒高度越高,出现共振峰的数量就越多。
The resonance peak of the imaginary part of complex permeability for Co sub-micron particle-paraffin wax composite appears at 4.4 GHz which attributes to both the natural resonance and eddy current effect. 亚微米线状Co/石蜡复合体系的磁导率虚部在4.4GHz左右出现一个宽化的共振峰,该共振峰为复合材料内自然共振和涡流效应共同作用的结果。
Based on the principles of wavelength alignment between resonance peak and the fluorescence peak of organic laser material, and alignment between the antinode of cavity standing wave field and the active region, we can determine the distribution of organic layers in microcavity. 根据谐振峰和激光材料荧光峰一致以及有源区位于腔内驻波场波腹位置的原则,可以确定有机各层在腔内的分布。
With different measurement condition, four ME coefficient curve all demonstrate a phenomenon that there are more than one mechanic resonance peak in four curves. 4个不同的测试条件下得到的磁电系数曲线均出现了多于一个机械共振峰的现象。
The resonance peak value can be inhibited significantly by the structural damping, but the vibration energy will scatter from the resonance area to the non-resonance ones when the damping is increased, so appropriate choices must be made according to actual needs. 结构阻尼对抑制共振峰值有明显效果,却使振动能量从共振区向非共振区分散,需要根据实际酌情选用。
By probing its spatial and energy dependent STS, we demonstrate the coexistence of Dirac point and resonance peak at the impurity center. 通过分析共振峰随空间和能量的变化情况,我们证明该中心处的共振峰与Dirac点是共存的。
Furthermore as the slit length increases, firstly the surface plasmon resonance peak splits into two peaks, then the right peak value rise and finally they slowly converged into one single peak. 同时随着狭缝长度的增加,表面等离子共振峰首先劈裂为两个峰,然后右侧峰缓慢上升,最后两个峰会聚为一个峰。
Also plot the electronic distributions versus the wavelength of the resonance peak are plot to explain the simulation results. Finally the influence of dielectric in the cut on the transmission property is studied. 同时基于波峰对应波长处的电磁场分布图来解释模拟结果,最后研究了凹口内填充介质时透射特性的变化。
Results indicate that the surface plasmon resonance peak value keeps unchanged and the localized waveguide resonance peak red-shifts and falls obviously when the entrance slit width narrows. However when the entrance slit becomes extremely small the surface plasmon resonance peak red-shifts and falls sharply. 结果表明:当入口狭缝变窄时,表面等离子体共振峰基本保持不变,而局域波导共振峰明显红移且峰值下降,但是当狭缝变的非常狭窄时,表面等离子体共振峰剧烈的红移且峰值下降。