矢量的
- 与 矢量的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The thesis also gives the estimated upper bounds of error decision probability. When the compressor is confined to be a lattice vector quantizer, a explicit mathematic equation for the rate of the performance convergence to the optimum is derived. On the other hand, Distortion Ratio Aproachs to the design of testing system on the basis of vector quantization are put forward, and methods for building the variable length decision tree as well as the fixed length one presented.
在算法方面,提出了失真比矢量量化检验器的设计方法以及可变长和固定码长分类判决树的生成算法;为了解决以矢量量化器为核心的处理系统运算量大,不易实时实现的问题,论文中引入了熵减的概念,在此基础上提出一种快速最近邻搜索编码方法,理论分析及实验结果均证实了这种算法的有效性。
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Coherent interference can be suppressed by the EMCMVB efficiently. The EMCMVB first gets the modified signal subspace by using the estimated arrival angles of coherent interferers and the eigenstructure of the correlation matrix, and then projects the MCMVB weight vector onto the modified signal subspace.
EMCMVB是利用估计得到的相干干扰方向和阵列信号相关矩阵特征分解来得到修改的信号子空间,再把多约束最小方差波束形成器的权矢量向修改的信号子空间投影来得出新的权矢量。
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Based on the meshing theory and geometry relationship between rotors of cycloidal pump , the position and velocity vector equations of meshing point are given, and the sliding coefficient formula are derived.
根据摆线泵转子间的啮合关系建立了啮合点在各坐标轴中的矢量方程,导出了啮合点的速度矢量方程和齿廓相对滑动系数的计算式,并以实例作出了运动速度和滑动系数随转子转角的变化曲线,并分析了影响滑动系数的因
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The speed-sensorless vector control and the identification of motor parameters in this paper are the two novel research of vector control.Using asynchronous machine's mathematic model in three-phase static reference frame, this paper has derived it's mathematic model in two-phase static reference frameand in two-phase rotating reference frame, and got the coordinate transformance formulus based on the constant magnetic force and power force, by compared different field orientation methods, we can find that field orientation at rotor field can realize the decoupling of the stator current flux component
无速度传感器矢量控制和电机参数辨识是矢量控制的两个新的研究方向,本文利用异步电机在三相静止坐标系下的数学模型推导出两相静止坐标系、两相同步旋转坐标系下的数学模型,根据磁动势守恒和功率守恒的原则,得出各坐标变换公式;通过不同磁场定向方式的比较发现,异步电机按转子磁场定向时定子电流励磁分量和转矩分量可以比较方便地实现解耦。
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The GVF force does better than the other two forces in the segmentation of complex images with concaves. The gradient plus pressure force does better in preventing the model from crossing the slim images.[KEY WORDS] image segmentation; active contour model; GVF; open contour model
对于简单的图像,梯度外力和梯度矢量流外力均能得到较好的分割结果;对于较复杂及边界凹陷的图像,梯度矢量流外力的分割效果明显好于其他外力;对于纤细图像应用梯度加压力的外力更容易控制模型越界的现象。
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Based on the principle that a spatial distributed source can be regarded as superposition of many of point sources in a continuous spatial area, an Electro-Magnetic Vector Sensor model is proposed. Theoretical analysis and the 1 order approximate expression are given. The model's identifiability is also discussed.
本文通过&分布源是在一定空间分布的多个点源信号的迭加&的认识,首次提出了电磁矢量传感器的分布源模型,给出了理论表达式和一阶近似表达式,分析了单个电磁矢量传感器的分布源模型的可辨识性问题。
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Based on the principle that a spatial distributed source can be regarded as superposition of many of point sources in a continuous spatial area, an Electro-Magnetic Vector Sensor model is proposed. Theoretical analysis and the 1 order approximate expression are given. The model's identifiability is also discussed.
本文通过&分布源是在一定空间分布的多个点源信号的叠加&的认识,首次提出了电磁矢量传感器的分布源模型,给出了理论表达式和一阶近似表达式,分析了单个电磁矢量传感器的分布源模型的可辨识性问题。
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By employing coordinate transformation, the overall generalized displacement vector relevant to the motion of pad and axle journal is converted into axle journal displacement vector in a local motion coordinate system, and the oil film force in a partial motion coordinate system is obtained by solving the dynamic characters of a fixed bush bearing.
通过坐标变换,将瓦块和轴颈运动相关的全局广义位移矢量转换为局部动坐标系下轴颈的位移矢量;利用求解固定瓦轴承动力特性的方法求得的局部动坐标系下的油膜力。
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Theoretical analysis and experimental results suggest that its coding accuracy based on a N-sized codebook is comparable with that of the conventional vector quantization with a N〓-sized codebook, and much better than multi-stage VQ based on two N-sized codebooks, whereas its computational complexity is much lower than the latter ones.
理论分析和实验结果表明:码书大小为N的线上投影法的编码精度与码书大小为N〓的矢量量化法相当,并且明显优于用两个大小为N的码书构成的两级矢量量化法,而其码书生成和编码的计算复杂度远低于后者。
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Theoretical analysis and experimental results suggest that its coding accuracy based on a N-sized code-book of size N N2 is comparable with that of VQ coding based on a N2-sized codebook,and much better than multi-stage VQ based on two codebooks of size N,while its computational complexity is much lower than the latter ones under equivalent accuracy obtained.
理论分析和实验结果表明:码书大小为N的线上投影法的编码精度与码书大小为N2的矢量量化法相当,并且明显优于用两个大小为N的码书构成的两级矢量量化法,而其码书生成和编码过程的计算复杂度均远远低于后者。
- 推荐网络例句
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The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.
此刻阴唇已经几乎完全的缝在一起了,排除多余淤血体液的管子和Foley导管从顶端冒出来。
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To get the business done, I suggest we split the difference in price.
为了做成这笔生意,我建议我们在价格上大家各让一半。
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After an hour and no pup, look for continued contractions and arching of the back with no pup as a sign of trouble.
一个小时后,并没有任何的PUP ,寻找继续收缩和拱的背面没有任何的PUP作为一个注册的麻烦。