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.
在关于混合态的海森堡不确定关系的基础上,研究了纯态和混合态的最小不确定性和压缩效应。
Based upon the Heisenberger s uncertainty relations for mixed states, the minimum uncertainty and squeezing effects are studies.
发现在耦合电容存在的有互感的电路中,通过调节互感耦合系数来控制电路的量子涨落和压缩效应是很方便的。
It is found that it is convenient to control the quantum fluctuations and squeezed effect by adjusting mutual inductance coupling coefficient in mutual inductance circuit with coupling capacitance.
叙述了离心压缩机浮环密封的结构、原理、浮环密封失效的原因和危害,以及防止密封失效应采取的措施。
Structure and principle, failure reason and harm of compressor floating ring seal, and measures which prevented the seal from failing are introduced.
已有的研究结果表明:利用光纤的色散和非线性效应压缩光脉冲是一种得到超短脉冲光的简单、易行的实用方法。
Results of previous research indicate that it is an easy and feasible method to get ultra-short pulses by making use of effects of dispersion and nonlinearity of fibers to compress optical pulses.
利用小波分析良好的去噪和边缘检测特性,本文提出一种减少JPEG压缩图象中方块效应的有效算法。
In this paper we introduce an effective algorithm for the deblocking of the JPEG compressed images based on the denoising and edge detection in wavelet domain.
介绍了人耳生理系统和掩蔽效应的特性,并阐述了视音频压缩标准MPEG1音频部分的心理声学模型。
By analyzing human physiological audio system and its masking effect, this paper illustrates the psychoacoustic model in audio part of the ISO video coding standard MPEG1.
通过量子化电容耦合电路和对角化电路哈密顿量,研究了介观电路在压缩真空态的激发态下的量子力学效应。
The quantum effects of the mesoscopic circuit with capacitive coupling under the excited states of squeezed vacuum states are investigated by quantizing the circuit and diagonalizing its Hamiltonian.
量化步长越大,块效应越明显,极大地影响图像的视觉质量和压缩效率。
The bigger the quantification step, the more obvious the blocking effect in visual effect and compression efficiency.
压敏产生的原因是导电沥青混凝土试件的压缩邻近效应、微裂纹和石料间的剪切力使部分导电通路错位。
Piezoresistivity of ecac may involve proximity effect, microcrack and the staggered arrangements of conductive pass-ways due to shear strength of aggregates.
以光纤中非线性效应为基础的脉冲压缩器可分为两大类,我们称之为光纤-光栅对压缩器和孤子效应压缩器。
The pulse compressors based on the nonlinear effects in optical fibers can be classified into two broad categories, referred to here as fiber-grating compressors and soliton-effect compressors.
试验结果表明,花岗岩的动态压缩和动态劈裂拉伸的力学性能表现出显著的应变率效应。
Test results show that granite dynamic mechanical behavior of compression and splitting tensile has distinguishable strain rate effect.
此外,又根据砂土的结构和压缩特性,初步提出了开敞式有效应力动力分析方案。
The distinction between liquefaction and incipient failure has been clarified. Furthermore, a preliminary scheme of open-type effective stress dynamic analysis method is proposed.
在一定条件下,场可展示锁相和位相压缩效应以及保持光子数-位相最小确定态。
Under certain conditions, the phase locking and squeezing are behaved, and the number- phase uncertainty product becomes the minimum for a coherent state.
为了描述真实气体的混合性质,根据纯物质和混合物的压缩因子计算了压力混合效应和过剩体积。
For a description of the mixing behaviour the compressibility factors of the pure substances and of the mixtures were used to calculate the mixing effect of the pressure and the excess volume.
激波对磁云内禀磁力线的压缩和旋转被证实是增强地磁效应的有效机制。
The compression and rotation of the magnetic field serve as an efficient mechanism to cause a large geomagnetic storm.
运用小波域及DCT域下的分形压缩图像方法,提高了编码速度,得到较高的压缩比和信噪比,但重构图像质量还存在块状效应。
Fractal Image-compressed is carried out after DWT or DCT to improve coding speed and get higher CR and PSNR, but quality of reconstructed-Image is not satisfactory.
为研究岩石材料的时间效应,利用CSS-1950型岩石流变试验机,分别对绿泥石片岩和云母石英片岩进行压缩蠕变试验。
Compressive rheological experiments were carried out on chlorite-schist and sericite-schist respectively to study their time-effect by using rock rheological test equipment CSS-1950.
研究了叠加压缩相干态的量子统计性质,给出了压缩和反聚束效应与叠加系数之间的关系。
The results showed that the coherent superposition state brings squeezing effect, bunching effect and super-poisson distribution.
同时发现通过对原子的选择性测量,场的压缩特性和光子的反聚束效应会增强。
Meanwhile it is shown that squeezing of field and photon antibunching can be greatly enhanced via selective atomic measurements.
本文采用数值方法模拟了一个三孔探头周围与测压孔内的二维可压缩非定常流场,研究了动态效应对探头绕流和测孔压力的影响,以及相应的测量误差。
The 2D unsteady flow fields around a 3-hole probe head and in its pressureholes have been numerically simulated in order to investigate the dynamic effects on the probe measurement errors.
有机气凝胶具有较高的动态压缩强度和较大的动态失效应变,因此其抗弹性能较好;
Organic aerogel has relatively high dynamic compressive strength and high dynamic failure strain, thus the anti-bullet property of organic aerogel is better than other aerogels.
而当耦合系数变化较快时,崩塌和回复现象被加速,而光场压缩量将产生振荡,压缩效应将反复出现。
When the coupling coefficient changes rapidly, it accelerates the collapse-revival phenomena, and the squeezing parameter oscillates with time, the squeezing of the field appears repeatedly.
并对压缩薛定谔猫态下的量子涨落进行了计算,发现压缩薛定谔猫态下磁通和电荷的量子涨落具有比薛定谔猫态下程度更高的压缩和反压缩效应。
And we also calculated the quantum fluctuation of both charge and magnetism flux in squeezing Schrodinger cat state. We found that the squeezed intension is stronger in squeezing Schrodi...
并对压缩薛定谔猫态下的量子涨落进行了计算,发现压缩薛定谔猫态下磁通和电荷的量子涨落具有比薛定谔猫态下程度更高的压缩和反压缩效应。
And we also calculated the quantum fluctuation of both charge and magnetism flux in squeezing Schrodinger cat state. We found that the squeezed intension is stronger in squeezing Schrodi...
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