为获得无偏差的哮喘控制分析结果,评价哮喘对于初级保健的影响,基层医生对于哮喘患者进行了哮喘控制问卷调查。
In order to obtain an unbiased assessment of asthma control and assess its impact in primary care, primary care physicians used a 1-page control questionnaire in 50 consecutive asthma patients.
击弦机:高精度、严格的设计无偏差的击弦机保证了钢琴的灵敏度,经久耐用。采用100%纯羊毛红木榔头具有最佳的弹性,使音色优美细腻动听。
Action: High precision action guarantees the sensitivity and durability while 100% pure woolen red wooden hammer ensures best springiness and delicate sound.
当控制临近结束偏差较小时,采用无波纹最小拍控制,实现限时精定位,从而达到快速、精确定位的目的。
The precise control near the end of control where minor deviations are observed is realized by ripple—free minimum beat control to bring about a rapid, fine timing effect.
利用偏差分析的结果,可以得出一个对正态过程和随机相位正弦波都是无偏的不用乘法器的相关器。
Taking advantage of the analysis of the bias, an unbiased correlator without multiplier is deduced for Gaussian process and sinusoidal wave with random phase.
仿真分析发现无参数校正状态观测器观测值与实际值偏差很大,不能用于对电机的精确控制。
The stimulation results show that the error between the observed value of non-adaptive state observer and the real one is big, and it can not be used to control the motor accurately.
以三台无刷直流电动机为控制对象,分析基于偏差耦合的多电机同步控制策略。
The main purpose of this paper is to make three brushless DC motors as control object and based on relative coupling strategy to study synchronized control of multi-motor system.
该模型同时具备直接灰色模型和无偏灰色模型的优点,能够直接描述原始数列的变化特性并且没有偏差。
The model has the advantages of direct grey model and unbiased grey model; it can express the changing characteristics of raw sequence, and is unbiased.
无偏灰色预测模型消除了传统灰色预测模型本身所固有的偏差,实质上是一种无偏的指数模型。
The unbiased grey-forecasting model eliminates the inherent deviation of the conventional grey-forecasting model, it is in fact an unbiased exponential model.
经t检验证明,该方法的测定结果与微量凯氏定氮法无显著差异,测定结果的相对标准偏差为3.1%。
There is no significant difference between the result of the method and that of micro-Kjeldahl′s method according tot test. The relative standard deviation is 3.1%.
实现了阶跃输入时的实际转速对给定转速的跟踪,而且稳态时无偏差。
The actual rotary speed during the stage jump input period could trace the given rotary speed and there was no error during the stabilized period.
实现了阶跃输入时的实际转速对给定转速的跟踪,而且稳态时无偏差。
The actual rotary speed during the stage jump input period could trace the given rotary speed and there was no error during the stabilized period.
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