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.
卫星形状效应是由于卫星上不同位置的反射器对光子反射的时间不同而引起的脉冲强度重新分布的现象。
Satellite form effect is a redistributing phenomenon of pulse intensity caused by different reflecting times of the reflector situated on different positions of satellite for photon.
在工业CT设计中,为了选择闪烁体的种类和几何尺寸,需要知道韧致辐射光子穿透闪烁体的能量和通量分布。
In the design of industrial ct, the knowledge of energy and flux distributions for bremsstrahlung photons through crystals is necessary to select scintillator's type and dimension.
发现腔场谱结构不仅与初始场强有关,还随初始场光子数分布的变化而改变。
It is found that the spectra are influenced sensitively by the initial field intensity and the photon number distribution.
在自由空间量子密钥分配中,单光子源采用具有泊松分布的高度衰减激光脉冲,量子密码术协议采用BB 84和B92协议。
Highly attenuated laser pulses with Poisson distribution are used as single-photon sources and the BB84 and B92 protocols are used for free-space quantum key distribution.
为了研究电火花加工过程的机理,基于光子发射计算了阴极、阳极的能量分布。
In order to study the mechanism of electrical discharge machining (EDM), the energy distribution of cathode and anode was calculated based on photon emission.
本文提出的光子虚拟源模型能够较为精确地模拟计算任意形状和强度的外照射放射治疗射束分布。
The proposed photon virtual source model is suitable for accurately simulating arbitrary shape and intensity distributions of external beam.
分布光纤喇曼光子传感器(D O F R P S)系统是一种实时测量空间温度场、应力场和压力场的光纤网络系统。
Distributed optical fiber Raman photonic sensor (DOFRPS) system is an optical fiber network used for the real-time measurement of temperature field, strain field and pressure field in the space.
介绍了三维赝带隙光子晶体中原子集合的自发辐射衰减分布特性。
The characteristics of the decay distribution of spontaneous emission from an assembly of atoms in photonic crystals with pseudogaps are described.
量子光场主要存在三种非经典效应:光子反聚束、亚泊松分布和压缩效应。
There are three main non-classical features for quantum field, i. e. photon anti-bunching effect, sub-Poissonian statistics distribution, and squeezing effects.
用数值方法得到了光子速度的空间分布曲线。
The curve of the spatial distribution of the photon velocity is obtained with numerical method.
本文应用蒙特卡罗算法建立了一个光子虚拟源模型,用于模拟计算任意形状和强度的外照射放射治疗的射束分布。
A photon virtual source model was developed for simulating arbitrary shape and intensity distributions of external beam using Monte Carlo method.
利用热分布次数作为热分布时间的衡量尺度,研究了单分子-光子泵的制冷效率。
The times of heat distribution was taken as time scale in investigating cooling efficiency.
理论上研究发现,通过引入含不同密度分布的发光分子可以探测到光子晶体的全态密度的部分细节甚至全部信息。
It is found, theoretically, that using different number density distributions of luminescent molecules within the PC, one can probe the partial information or even all of the total DOS in the PC.
目的:用电脑计算在每个物体中每点处点源释放出的原始光子和平均能量损失,以获得光子线在水模体中的剂量分布情况。
Object: Using computer to calculate average energy lost by photons at every points in each body, in order to determine the dose distribution of photon radiation in the water phantom.
光子晶体是一种介电常数不同的、其空间呈周期分布的新型光学材料。
Photonic crystals is a new type of optical material whose dielectric constant changes alternately following the coordinates of space.
分析原子的纠缠度对约化后光场性质的影响,结果表明纠缠度强烈影响光场的平均光子数分布和二阶量子相干性。
It is proved that the average photon Numbers and the second-order quantum coherence are dramatically influenced by the entangled degree of the atoms.
FDTD方法计算量小,结果较为精确,还可模拟电磁场的动态分布,很适合计算光子晶体光子带隙。
FDTD method has less calculation, precision result, and dynamic distribution of electromagnetic, so it is suitable for calculating photonic crystal band gap.
用光子计数仪作光强检测装置,通过测量衍射后的光子计数的空间分布来演示光的波粒二象性。
Using a photon counting apparatus as a device to measure light intensity, wave particle dualism of light is demonstrated by measuring photon distribution of double slit diffraction.
随着光子进入组织深度的增加,漫散射光学层析成像的深度敏感性呈现指数下降分布。
The sensitivity of diffuse optical tomography (DOT) imaging exponentially decreases with the increase of photon penetration depth, which leads to a poor depth resolution for DOT.
在测量非线性折射率和双光子吸收系数的频率分辨双光束耦合抽运探测技术中,光场的空间分布没有得到考虑。
The effects of spatial distribution on the experimental results are studied in spectrally resolved two-beam coupling pump-probe technique.
使用蒙特卡罗模型分析了手掌漫反射光子的径向分布、在组织内的穿透深度及传输程长的分布规律。
By the Monte Carlo modeling, the radial distribution, penetration depth and transmission path length of the diffuse photons are analyzed.
我们还发现,亚泊松分布对热平衡光子数很敏感。
We also find that the sub-Poissonian distribution is sensitive to the thermal photons.
利用数值模型计算了空气流过圆柱体的压力分布,并预言光子晶体压力传感器的响应。
For airflow around a circular cylinder, the pressure distribution is studied numerically, and the response of the pressure sensor is foretold.
光子晶体是由介电常数不同的材料周期性分布而成,可以用来控制光的传输。
Photonic crystals are the periodical arrays of materials with the different refractive indices which can control the light propagation.
利用全矢量平面波法计算了三角结构的光子带隙型光子晶体光纤的带隙分布。
The photonic band-gap of triangle structure photonic band-gap PhotonicCrystal Fiber (PBG-PCF) is computed by FPWM.
截止波长测试和近场光强分布检验表明,该光子晶体光纤确实具备较宽的单模工作范围。
The measurements of the cut-off wavelength and the near field intensity distribution show that the PCF does have comparatively wide single-mode operating range.
利用传输矩阵方法研究了多个周期性分布的负折射率缺陷的一维光子晶体的透射谱。
The transmission through one-dimensional photonic crystals with a number of negative refractive index structural defects are studied by using transfer-matrix-method.
本文通过最佳信号噪声比分析,讨论了单分子辐射单光子在具有时间均匀分布背景信号时对同步取样时间的选取。
We theoretically discussed the synchronization sample gate time determination by considering the optimal Signal-to-Noise Ratio (SNR) where the background showed time-uniformity distribution.
本文通过最佳信号噪声比分析,讨论了单分子辐射单光子在具有时间均匀分布背景信号时对同步取样时间的选取。
We theoretically discussed the synchronization sample gate time determination by considering the optimal Signal-to-Noise Ratio (SNR) where the background showed time-uniformity distribution.
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