hystersis
- 网络迟滞性;磁滞效应
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The hystersis of N transfer in the soil with water was affected by several factors .
N在土壤中随水分的迁移的快慢与土壤干湿程度、淋溶土层厚度,土壤颗粒组成及其土壤的持水特征等因素有关。
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The results suggest the analysis of hystersis in range of tidal volume is reliable .
本实验提示,本文所选之分析潮气呼吸状态的机械力能关系变化的方法可靠;
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Crack effect of concrete was suggested to promote the simulation of hystersis curve of RC members .
针对构件滞回曲线的模拟上存在的不足,建议考虑混凝土开裂前后性质变化的裂面效应。
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Measurement of hystersis in ferroelectrics is very important in determination of their physical parameters and material performance .
测量铁电材料的电滞回线是确定铁电参数、检验材料性能好坏的一个重要手段,目前采用的主要测量手段是示波器法。
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Hystersis influences infiltration characteristics and runoff volume during the process of rainfall infiltration runoff .
滞后作用的存在,不但影响降雨过程中的入渗特性,而且影响产流量。
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Hystersis Mechanism and Model of Rainfall-Infiltration Runoff on Hillslope in Loess Area
黄土区坡地降雨入渗产流中的滞后机制及其模型研究
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This paper also researches the method to compensate the error aroused by the hystersis and nonlinearity of the piezoelectric ceramic .
并对压电陶瓷固有的迟滞和非线性特性进行了线性补偿方法的研究。
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Type 2 excitation neurons transformed to type 1 and the hystersis disappeared when application 4-AP . 3 .
加入4-AP后2型兴奋性神经元转型为1型兴奋性,放电的滞后现象消失。
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However , after annealing at 700 ℃, hystersis loop appeared as composed by two phases due to the precipitation of second phase .
但在700℃热处理后,由于第二相软磁相的析出,磁滞回线出现明显的两相形状。
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Saber Simulation for PWM Rectifier Hystersis Control The loop-line measure of ferromagnet hystersis with oscillograph
基于SABER的PWM整流器滞环控制仿真用示波器测量铁磁物质的磁滞回线
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Then based on the theory of PMSM Vector Control , the simulation model which use the modulation strategy of current hystersis PWM , SPWM and SVPWM have been established .
其次在深入研究永磁同步电动机矢量控制理论的基础上,建立了基于电流滞环PWM、SPWM和SVPWM三种调制策略的永磁电动机矢量控制仿真模型,并对模型进行了仿真分析与比较。
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The static inverters parallel using a common voltage regulator with three-state discrete pulse modulation ( DPM ) hystersis current control is an easy way to realize parallel system .
三态DPM电流滞环控制高频脉冲直流环节静止变流器,可以方便的实现共用电压环的并联系统。
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This paper analyses the development present status and the hystersis factors of private enterprises in Datong city , and tries to advance the countermeasures for developing private enterprises in Datong city .
分析了大同市民营企业的发展现状及滞后因素,并尝试提出了发展大同市民营经济的对策。
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It is precisely because it itself has high initial stiffness , high load-carrying capacity , good ductility , excellent energy absorption capacity , and stable hystersis loops taken by many scholars .
正是由于它本身具有较高的侧向刚度和极限承载力、优异的耗能能力以及良好的延性被众多学者看中。
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Simulation indicates that the hystersis arithmetic is simple , DC side voltage ripple is small , AC side current phase is according to the source voltage , power factor is close to 1 .
仿真结果表明,滞环电流控制算法简单,直流侧电压脉动小,交流侧电流和电源电压同相位,功率因数接近于1。
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In the multiplex drive of AFLCD , the positive and negative sides of the symmetric double hystersis loop are alternately used to avoid net ionic drift and elastic stabilization .
在AFLCD的矩阵驱动中,交替地使用了双滞回环的正边和负边,避免了净离子漂移影响和弹性稳定作用。
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We give a detailed analysis on the occurrence and the disappearance of the triple hystersis . The quantum effect has an important role on the hysteresis , and can result in the disappearance of the triple hysteresis .
我们对多态电滞回线的产生和消失作了更详细的研究,发现量子效应对多态电滞回线有重要影响,量子效应的增强会导致多态电滞回线的消失。
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Based on the analysis and comparison of current hystersis PWM controller and fixed switching frequency PWM controller used in double voltage single phase PWM rectifier , an improved fixed switching frequency PWM method is presented . The preliminary experiment gives a good result .
在分析和比较单相倍压PWM整流器中电流滞环PWM控制和开关频率固定的PWM控制的基础上,对开关频率固定的PWM控制方法进行了改进,并通过初步实验加以验证。
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The maximum soil water content due to hystersis was about 20 % ( vol. / vol. ) in medium and find sandy soils , 11.1 % in silty soil , but only 3 % in , silty clayey Joam .
砂土的最大滞后变幅可达20%(体积含水率,下同),粉砂壤土为11.1%,而亚粘土则仅有3%左右。