The Hamiltonian theory of Landau-Lifschitz equation and the gauge transformations;
Landau-Lifschitz铁磁方程的Hamilton理论和规范变换
Effects of gauge transformations on symmetries of Birkhoffian system
规范变换对Birkhoff系统对称性的影响
With the gauge transformation between AKNS spectral problem and Geng spectral problem,the associated extensive function derivative of the Geng spectral problem is obtained.
给出了Geng谱问题相应的等谱与非等谱发展方程,并给出等谱发展方程的无穷守恒律;通过AKNS谱问题与Geng谱问题之间的规范变换,得到了Geng谱问题相应的泛函导数。
By making use of standard transformation,we try to solve the time equation.
从有源RLC电路的运动方程出发,对电荷、电流经正则变换后量子化;然后采用规范变换的方法,求解含时Schrodinger方程;最后对RLC电路中电荷、电流的量子涨落进行了研究,并对其结果进行了讨沦。
Starting from equation of motion of the active RLC circuit, we adopt the technique of the unitary transformation, transform the charge and current into the unitary variable and then have them quantization by making use of standard transformation, we try to solve the having time Schrdinger equation.
然后采用规范变换的方法 ,求解含时Schr dinger方程。
By introducing the standard transformation, physical defects in the mathematical expression of engineering mechanical vectors are removed, and the standardized mechanical vectors that are equivalent to the mechanical tensors in physics are obtained, which lay the foundation of invariance of new type elastic mechanics, and provide a theoretical guarantee for using it in various coordinates.
通过引入规范变换 ,消除了工程力学矢量数学表示上的物理缺陷 ,使规范化力学矢量与力学张量具有物理上的等价表示 ,从而奠定了不变性弹性力学的基础 。
Through the canonical transformation,we first established a harmonic oscillator model of black holes.
利用Reissner-Nordstr m黑洞的质量、电荷和它们各自的对偶量构成的四维相空间,经过规范变换,首先建立黑洞的简谐振子模型,并采用该模型,研究Reissner-Nordstr m黑洞的量子面积谱,在此基础上进一步给出量子数条件。
Though the canonical transformation,we first establish a harmonic oscillator model of black holes.
利用Reissner-Nordstr m度规中的参量M、Q及它们各自的对偶量πM、πQ构成的四维相空间,经过规范变换,首先建立黑洞的简谐振子模型,并采用该模型,进一步研究Reissner-Nordstr m黑洞的量子面积谱。
By means of time-dependent gauge transformation, we do a thorough study on undynamic phase which emerge in the quantum system.
笔者从含时规范变换出发,对该量子系统出现的非动力学相作了深入分析与研究,研究结果表明:当系统未完成一个周期的演变时,可以出现一个"不可积"的非动力学相;而只有当系统完成一个周期的演变,才可得到"可积"的相位—Berry相,这种相位具有"周期含时规范变换"不变性,因而存在物理观察效应。
The time-dependent gauge transformation can be applyed to the J-C model which is a full quantumized model to describe a two-level atom interact with single model elecromagnetic field.
利用含时规范变换方法计算了描述单模光场与二能级原子相互作用的全量子化的J-C模型,得到体系非绝热近似的Berry位相正比于光子数算符的期待值。
The physical origin of the gauge transformation is a mystery.
这个规范变换的物理起因还是个谜。
Some Quasi-Hopf Algebras with Gauge Transformation;
一类具有规范变换的拟Hopf代数
Effects of gauge transformations on symmetries of Birkhoffian system
规范变换对Birkhoff系统对称性的影响
Schr?dinger Equation′s Gauge Variance and Maxwell Equations
薛定谔方程的规范变换与麦克斯韦方程组
Strong reconstruction formulas of the normalized windowed Fourier transformation
规范窗口Fourier变换的强反演公式
The First Canonical Fundamental Form of an Einstein Space E_n which Admits r Independent Concircular Transformations
允许保圆变换的爱因斯坦空间的规范基本形式
scaling (for analogue-to-digital converter)
(数/模转换的)规范化
confirmation can comprise activities such as performing alternative calculations,comparing a new design specification with a similar proven design specification,
认定可包括下述活动,如:变换方法进行计算;将新设计规范与已证实的类似设计规范进行比较;
Aluthge transforms of essentially normal operators
本性正规算子的Aluthge变换
Code for construction and acceptance of heat-exchange equipment in petrochemical engineering
石油化工换热设备施工及验收规范
Technical code for SPC digital telephone switching engineering design of railway
铁路时分数字程控交换设备技术规范
Code for design of public packet switched data network engineering
公用分组交换数据网工程设计规范
Code for acceptance of public packet switched data network engineering
公用分组交换数据网工程验收规范
Regulation for construction of railway SPC digital telephone switching engineering
铁路数字程控交换通信工程施工规范
Turntable fastness,replacing simply and convenient.
转盘定位,更换规格简便且调整范围大。
Initial graphics exchange specification
GB/T14213-1993初始图形交换规范
Social Disorder and Social Norm:the Historical Investigation on Xiangxi Bandits Riot on March 2nd;
失范与规范:对湘西事变的历史反思
Change of Knowledge Concept and Transition of Educational Thinking;
知识观的嬗变与教育思维范式的转换