我们将讨论拔靴集成法与多模激发法,以及这两个演算法是如何成功的被运用。我们也将介绍近来运用与拔靴集成法相似的方法,结合支持向量机所做的一些案例。
We discuss bagging and boosting and suggest some plausible justification for their success. We also describe some recent work about combining SVMs in a way similar to bagging.
置于层状平面结构表面的斜劈超声换能器被用于激发和接收多模兰姆波。
Wedge transducers located on the surfaces of layered planar structures are used to generate and detect the multimode Lamb waves.
分析了耦合效率与光源激发的光模场、光纤结构及光纤头部形状、耦合工作参数等因素的关系。
The relation between coupling efficiency and mode field stimulated by SLD, fiber structures, shape of fiber butt and coupling operation parameters was analyzed.
在水模实验中可以看到,气泡上浮激发的是A型波,而生产实践中一般也激发A型波。
It was seen from a hydraulic modelling test that the wave excited by bubble buoyancy is of a type, whereas the same also took place in actual production.
作为一个例子,还讨论了弱重力场情况下激发流动重力模不稳定性的临界条件。
As an example, the critical condition for the streaming gravity mode instability is discussed in a weak gravitational field.
对纵环电流天线,可能存在静电模转换激发和直接激发这两种离子伯恩斯·坦波激发方式共存的情况。
We find that for our toroidal current antenna, there may exist two ways of excitation, i. e. direct excitation and excitation through the electrostatic mode conversion process.
在托卡马克等离子体中,高能粒子可以激发一种称为鱼骨模的内扭曲模。
A special kind of internal kink mode, the fishbone, can be excited by the energetic particles in tokamak plasmas.
提出了一种测量微小角位移的新方法,该法基于一种金属包覆波导结构,通过棱镜耦合激发空气导波层中的超高阶导模作为灵敏探针。
Based on a symmetrical metal-cladding waveguide, ultrahigh-order modes in the guiding layer air gap can be excited through prism coupling to serve as sensitive probes.
由于分子的高激发振动态具有很强的模间非线性偶合以及能量的传递,传统的动力学方法似乎很难有效地用来研究其性质。
The system is considered as classical based on the fact that the highly excited vibration is of high energy and approaches the classical realm.
方法:研制外部激发装置,设计成像脉冲序列,制作模拟人体软组织的体模。
Methods: An external force actuator was developed, the imaging pulse sequence of MRE was designed, and tissue simulating phantoms were constructed.
把光子理解为一个电磁模的元激发,光子亦具有内部运动。
A photon is explained as an exciton of the electromagnetic mode, and the photon has an internal motion.
在多模情况下单向激发的可能性。
The possibility of an unidirectional generation effect in multimode regimes is considered.
损耗影响激发模的光强和频率,在陀螺中损耗不同将会导致零漂。
This difference affects light intensity and frequency of the modes, and as a result leads to zero drift.
提出了一种测量微小角位移的新方法,该法基于一种金属包覆波导结构,通过棱镜耦合激发空气导波层中的超高阶导模作为灵敏探针。
The free space coupling technique is utilized to excite the ultrahigh-order mode to act as a probe, which is considered to be very sensitive to the wavelength change.
由带隙端点反射极大时共振场分布我们可以得到,此带隙是由于同时激发的两个泄露模之间的相互作用造成的。
Electric field distributions reveal that this high reflectivity gap is due to the coupling between these two coincidentally excited leaky modes.
文章提出一种横向激发的任意线偏振高斯光束,该光束场量的模与传统的任意线偏振高斯光束具有相同的模,在源场区,其满足自由空间无源场的场方程。
The author bring forward a Gaussian optical beam in a transverse-linearly-polarized state, the expression of its module is the same as the scalar Gaussian beam.
锥腰直径减小,激发更多包层模,干涉峰个数增多,强度提升;
Moreover, with the decrease of the cone waist diameter, more cladding modes are excited, and more interference peaks with enhanced intensity are observed.
结果表明 ,当多数原子处在基态且无缺陷模时 ,RDDI的集体作用不能使能量从激发态原子传递到非激发态原子 ;
The energy-transfer rate from the defect mode to the atoms is dependent on the ration of the RDDI coefficient to the atom-photon coupling coefficient.
结果表明 ,当多数原子处在基态且无缺陷模时 ,RDDI的集体作用不能使能量从激发态原子传递到非激发态原子 ;
The energy-transfer rate from the defect mode to the atoms is dependent on the ration of the RDDI coefficient to the atom-photon coupling coefficient.
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