本文用三维有限差分法,在计算电导率异常的电磁响应时作了一次网格收敛试验。
We present a mesh convergence test of the 3-d finite difference method for computing the electromagnetic response of a buried conductivity anomaly.
模型试验表明该方法是一种较为精确、稳定收敛和实用的方法。
The model test showed that the method is more accurate, stably convergent and practical method.
最后通过对两个机械优化设计实例进行仿真试验,结果表明本算法求解效率高、收敛速度快、全局搜索能力强。
The simulation test was completed through two mechanical design cases. The result shows that the algorithm has high efficiency, rapid speed of convergence and strong capability of global search.
试验结果表明,该网络模型的收敛速度比一般BP网络有了很大提高,具有很好的实用性。
Experimental results show that the converging speed of this network model is faster than the traditional BP network and this model has a good practicability.
模型试验表明,正演修正方法是一种稳定收敛和实用的方法。
The model test showed that forward modified method is more accurate, stably convergent and practical method.
优化设计采用试验设计与全局优化算法相结合以提高设计的稳健性,加速收敛。
Design of experiment and global optimization algorithm are integrated in the system to enhance optimization robustness and accelerate convergence.
数值结果表明该单元能通过常曲率分片试验,收敛稳定并具有较好的精度。
Numerical results of typical problems show that it passes the constant curvature patch test and possesses stable convergence and high accuracy.
但在试验中发现普通遗传算法存在收敛速度较慢且容易陷入局部最优解等问题。
However, drawbacks of slow convergent speed and sometimes just getting local optimum solution are found by tests when common GA technology is applied.
二是“试验机制无差别原则”,用以为主观主义概率归纳逻辑的意见收敛定理进行辩护。
The other is the Indifference Principle of Trial Setup, with which the Theorem of Opinions' Convergence in the subjective probability theory is justified.
试验结果表明,此方法具有精度高,收敛速度快等优点,可广泛运用于发动机数值仿真及控制模拟等领域。
The result implies that this method has high precision and fast convergence pace and it can be applied to many fields such as aeroengine numeral simulation, control simulation and so on.
与基于标准LMS算法的AHC对比试验研究阐明了基于ASLMS算法的AHC在参数设置上有优势,且收敛速度更快、波形失真更小。
Experimental research comparing with AHC based on standard LMS, demonstrated that ASLMS-based AHC, which has faster convergence and smaller distortion, owe more advantages in the parameter setting.
从而其分片试验、收敛性等性质也同时移植到板弯曲元,使两者处于同一水平上。
Therefore the theories such as patch test and FE convergence etc. can be moved to plate bending, thus both sides will be on the same theoretical level.
同时为了加快收敛速度,算法中还提出了信息素的奖惩机制,取得了很好的试验效果。
We also bring forward the reward and punishment mechanism in the system in order to quicken the convergent speed, we obtain some excellent experimenting results.
试验证明,当采用所提出的“混合比例分割法”时,能同时获得快的收敛速度和良好的一致收敛性。
Experimental results show that the merits in the respects of interactive speed and consistent convergence can be gained, when the mixed proportional division method proposed here is applied.
经过试验验证优化后的网络不仅收敛速度快、精度得到极大提高,而且网络预测相对误差精度都在6%以下。
Experiments prove that the optimized network converges more quickly and accurately. The relative prediction error precisions are all below 6%.
试验结果表明,初始种群克服了GA自适应随机搜索局部最优和过早收敛问题。
The experiment result shows that problems of local optimization and premature constringency were resolved with the original group in GA adaptive random search.
数值试验结果表明,算法具有较高的精度和较好的收敛性及稳健性;
The results show that the algorithm has a high precision, good convergence and stability.
通过试验结果与现行桥规JTGD62-2004的比较得出:配筋高强混凝土徐变系数远小于规范取值,且在170天后徐变系数有收敛的特征。
The measured values of creep coefficient are far less than that of current bridge code (JTG D62-2004), and it has the characteristics of convergence after 170 days.
采用收敛扩张喷管,使雾化区形成高压而又连续流动的流场,是高压下雾化试验研究的好方法。
The key feature of the experiment is to use a convergent-disvergent nozzle to maintain a high air pressure in the test chamber and at the same time t…
试验结果表明,相关算法即使对南宁市全市区进行求解也可以很好地收敛,是一个有效的算法。
The results showed that the related algorithm even for the whole urban district of Nanning City is convergence very well and is an efficient method.
数值模拟结果表明,在引入了扰动胀量后,用扰动涡方法模拟动静干涉仍保持较好的收敛性和收敛速度,且与试验的符合程度更好。
From the simulation results it can seen that the disturbance vortex method still converges fast even the disturbance expansion is taken into consideration.
对IEEE 30和IEEE 118节点系统进行考虑发电机无功出力约束的局部相关性试验,所提方法能有效地控制相关性,并具有良好的收敛性。
The experiments about IEEE 30-bus and IEEE 118-bus systems considering partial correlation were made. The proposed methods can effectively control correlation with good convergence.
计算结果表明,该方程迭代过程稳定、收敛速度较快,且与试验实测值较为吻合。
The results show that the iteration procedure is steady and its convergence is fast. Comparing with the laboratory data, the calculated value is in agreement with the observed.
从理论上证明了新算法的全局收敛性,数值试验结果也表明了新算法的有效性。
The new algorithm is shown to be globally convergent and numerical experiments indicate that it is very effective for large scale unconstrained minimization problems.
利用染色函数解法求解膛内弹上气室气流的一阶非线性分段微分方程组,进行了大量的数值试验,证实数值解是收敛的,也是稳定的。
The numerical solution of chromosome-function was applied for a lot of first order differential equations for the chamber on the projectile in bore of a gun.
最后通过数值试验,来验证该算法的有效性,结果表明该算法具有良好的收敛性。
Finally, numerical experiments were done to verify the effectiveness of the algorithm, and the result shows that it has good convergence.
仿真试验表明,利用P SO算法实现弹道辨识比BP算法辨识精度高,收敛性好。
Simulation results reveal that the proposed recognition technique based on PSO has higher precision of recognition and better convergence than those based on BP algorithm.
仿真试验表明,利用P SO算法实现弹道辨识比BP算法辨识精度高,收敛性好。
Simulation results reveal that the proposed recognition technique based on PSO has higher precision of recognition and better convergence than those based on BP algorithm.
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