结果表明,灌浆中期测定较能反映整个灌浆期的冠层光分布状况。
The results showed that the middle of filling stage was a suitable period to evaluate solar radiation distribution in wheat canopy.
理论分析了高斯光束整形原理,并选择超洛伦兹函数作为平顶光分布函数;
The principle of shaping Gaussian beam was studied theoretically and the Flattened Lorentzian(FL) function was chosen as the distribution expression of the flattened beam.
光散射法测量容易受到散射光分布中的散斑效应影响,导致测量结果的起伏。
The light scattering methods (LSM's) are sensitive to the effects of speckles appearing in the distribution of scattered light, which leads to the fluctuations of measurement results.
实际物体在记录面上的物光分布可以看成是物体上所有物点的基元周视全息物光分布的叠加。
To an object, the distribution of the object wave on the recording plane is the sum of all the distributions of the elementary circular-viewing hologram.
实验结果表明:采用侧面直接抽运耦合系统的激光放大器有均匀的抽运光分布场和增益分布场。
The results of experiment indicate: the laser amplifier with side-directly-pumped coupling system has uniform pump light distribution and gain distribution.
它主要不是说明物象之上真实的光分布,而是体现画家的主观意图——强调新时期山民新的生活。
It is not the main note on real images of light distribution, but the subjective intent of the painter - that the new era mountain people a new life.
叶片内部光分布微分曲线说明:叶片表皮组织的存在有利于叶片内部各组织之间光吸收的均匀化。
Based on differential analysis of the light curve, it seems that the epidermic cell layer could facilitate the averaging light absorbance between different tissue layers within a leaf.
分析了泵浦光的谱宽以及测量所选用的滤波器的带宽对下转换产生的信号光和闲置光分布范围影响。
We theoretically analyzed the effect of both pump and detection bandwidth to the distribution range of photon pairs generated by SPDC process.
光束被某一表面或介质改变为多种方向,而不改变其单色光的频率时,所发生的空间光分布的改变。
Change of the spatial distribution of a beam of radiation when it is deviated in many directions by a surface or by a medium, without change of frequency of its monochromatic components.
本文拟建立一套实验装置,测量双层生物组织模拟体中的光分布,并将实验结果与理论计算的结果进行了比较。
The paper will set up an experimental system, measure the light distribution in two layer tissue phantoms, and compare the experimental results with the Monte Carlo modeling.
本文将一种高效的辐射度算法与番茄结构模型有机结合,来快速模拟番茄冠层内光分布和3D叶片上的光截获。
A high efficient radiosity technique was linked with tomato structure model to simulate the energy exchanges inside the canopy, and light interception was computed at the 3D leaf level.
董源之后,画家们又把皴与擦融为一体,进一步表现了物象的明暗层次,色彩的渲染对用皴擦表现光分布也起了辅助作用。
Dong Yuan, painters and wipe again Cun integration, further demonstrated the shades images, the color rendering of using performance-Cun wiping distribution also played a supporting role.
设计了一种用于结构光分布图采集的图像帧存贮器(RAM)电路。由于预先对结构光分布进行了硬件细化处理以及大容量存贮芯片的使用,电路设计十分简单。
A fast sampling frame memory of structured light distribution is de- signed, because of the use of large size RAM and preprocessing of the structured light distribution, the circuits is very simple.
这个频率梳理装置由一束产生一系列非常短,空间上平均分布(就好象梳齿一样)、频率上广泛分布的光脉冲产生的。
The frequency comb is generated by a laser that produces a series of veryshort, equally spaced pulses of light (like the teeth of a comb) across a broadspectrum of frequencies.
本文研究了光场分布的数值计算与数字重构方法。
Numerical computation and numerical reconstruction of optical fields distribution are investigated in this paper.
本文报道了一种简单的测量光脉冲强度的时空分布方法。
A simple method for measuring the time and space distribution of the light pulse intensity is reported.
建筑师专注于最大限度地让光从南部进入然后分布在室内。
The architect focused on maximising light entering from the south and distributing it throughout the interior.
计算了在光泵期间均匀光泵引起激光棒中温度分布随时间的变化。
Homogeneous pumping induced time dependence of temperature distribution in Bolid state laser rods during pumping is. Calculated.
彩色目标检测过程中由于环境光照的变化以及分布不均匀会造成物体反射光的改变,使得检测效率降低。
The variations of object's reflection light induced from illumination variations and uneven illumination distribution greatly reduce the detecting efficiency in the process of color object detection.
本文推导两个成份的光学猫态的平均光于数,二阶相干度的表达式及猫态的光子数分布,揭示出猫态的某些性质。
The mean photon number, the second-order coherence and the distribution of this optical cat state are derived in this paper and some properties of this state are presented.
然后分别在空腔和考虑热透镜效应的情况下对输出光束的光场分布进行了理论模拟,并讨论了热透镜效应对输出光场分布的影响。
Then the output intensity distributions are simulated with or without considering the thermal lens effect. And the influence of the thermal lens effect is discussed.
中心的步道从北向南分布有不少天井,使大量的光进入建筑内部。
The central pathway runs north to south and is punctuated with patios to allow plenty of light inside the buildings.
通过计算液晶盒中的瞬时指向矢分布,得到光透过率随时间变化与扭曲角之间的关系。
The relation of the transient transmittance and the twist Angle is obtained by calculating the instantaneous distribution of the director in this mode.
该效应可用于实现光网络中的特殊功能器件,如光时钟分布、多路波导耦合器等。
The effect can be used to realize special functional devices in optical networks, e. g., optical clock distribution and multi-waveguide coupler, etc.
结合列阵透镜的透过率分析了其后的光场分布。
The distribution of optical field passing through lens array is analyzed.
讨论了泵浦光及振荡光的空间分布变量、晶体长度和透射率对输出功率的影响。
The effect on output power of distribution of space variation, crystal length and transmissivity has been discussed in detail.
计算结果指出,当轴棱锥的截面为圆对称的理想加工时,轴棱锥产生的光场分布为近似理想的零阶贝塞耳光。
Results show that if the cross-section of the axicon is ideally manufactured in circular symmetry, the field distribution behind the axicon is approximately an ideal Bessel beam.
用SKC-2000型光透过式粒度分布测试仪测试发泡剂ADC粒度。
The grain size of foaming again ADC can be tested with SKC-2000 grain size testing instrument.
用SKC-2000型光透过式粒度分布测试仪测试发泡剂ADC粒度。
The grain size of foaming again ADC can be tested with SKC-2000 grain size testing instrument.
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