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The First Data on the Intestine Nervous System Organization in Priapulids


First Data on Monoamine and PeptideContaining Elements of the Nervous System of Nemertines


First data on the velocity profiles in solutions of surfaceactive substances were given in [9, 10]; they are not sufficiently complete.


The first data are presented on largescale Sb accumulation (up to 1175 ppm on a whole coal basis) in the Spetsugli (Special Coals) germanium deposit (Pavlovka brown coal deposit).


This work presents first data on age estimates of detrital zircons from Upper Mesozoic terrigenous sequences of the South Anyui suture zone obtained by the fissiontrack method.

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 In this paper, we predicted the total populations and some populationindexes within 100 vears of Henan province. Those are the first data obstained by mathematical method and computer. Without doubt, it is useful to Henan′s economic planning and population control.  本文用数学方法子测了河南省今后约一百年的人口总数及各种人口指数.为河南省提供了第一批人口方面的科学数据,对制定河南经济发展规划和计划生育政策具有一定的参考价值.  This paper mainly investigates the application of the butterworth low pass digital filter in automatic measureing systems The necessity of applying the lowpass filter in those systems with high sampling rate and low output speed is discussed. In that way,the measurement noise can be decreased and the system resolution can be improved Compared with the conventional multpoint average filter, the butterworth filter has more satisfactory performances, and can be implemented with recursive algorithm, which needs... This paper mainly investigates the application of the butterworth low pass digital filter in automatic measureing systems The necessity of applying the lowpass filter in those systems with high sampling rate and low output speed is discussed. In that way,the measurement noise can be decreased and the system resolution can be improved Compared with the conventional multpoint average filter, the butterworth filter has more satisfactory performances, and can be implemented with recursive algorithm, which needs less storage capacity of computer. The design method for determaining the parameters of butterworth lowpass digital filter is quite easy and convenient .The way for executing real time filtering algorithm is provided, in which the highorder filter consists of several two order filters in series and the first datum is used for repeatedly iterating many times, thus, the numerical instability is prevented successfully and the initial transient process is shortenedFinally, this paper gives a result of the application to the test of longterm gyro drift, which shows that the effect of lowpass digital filter is quite obvious. The signal of gyro drift with lowfrequency property is truly conserved and the highfrequency noise from measurement circuit is basicly eliminated.  本文主要研究巴特沃斯低通数字滤波器在自动测试系统中的应用。讨论了高速采样低速输出的自动测试系统中采用低通数字滤波器的必要性;比较了巴特沃斯低通数字滤波器与多点平均滤波的性能,巴特沃斯滤波器具有较理想的特性;介绍了建立巴特沃斯低通数字滤波器的设计方法,以及在实现实时滤波算法时,克服初始瞬变过程和防止滤波器数值不稳的措施。最后,给出了在长时间陀螺漂移测试中的应用结果。  Kalman filter relies on a linear model consisting of two equations. However, an accurate model is difficult to obtain, thus measurement model errors can occur in multicomponent analyses. The adaptive Kalman filtering technique can estimate covariance R and compensate these errors. NPP and DPP synthetic data tests show that several first data of the data sequence cannot be zero when adaptive Kalman filter is used, and the estimation errors of adaptive Kalman filter are much smaller than the ordinary... Kalman filter relies on a linear model consisting of two equations. However, an accurate model is difficult to obtain, thus measurement model errors can occur in multicomponent analyses. The adaptive Kalman filtering technique can estimate covariance R and compensate these errors. NPP and DPP synthetic data tests show that several first data of the data sequence cannot be zero when adaptive Kalman filter is used, and the estimation errors of adaptive Kalman filter are much smaller than the ordinary Kalman filter. We had used the adap tive Kalman filter to separate Cd (Ⅱ) /In (Ⅲ) overlapped responses. The innovation sequence shows that measurement model errors do exist in some portion of the volt—ammogram.  卡尔曼滤波器依赖于由两个方程组成的线性模型,在多组份分析时测量模型会存在误差,自适应卡尔曼滤波技术实时估计协方差R以补偿这种误差。本文在脉冲极谱分析法领域研究自适应卡尔曼滤波技术的应用.常规脉冲极谱和差分脉冲极谱的拟合数据试验表明,应用这种技术时,数据序列的初始几个数据不能是零;自适应滤波的估计误差远小于普通滤波的估计误差。用自适应卡尔曼滤波器分辨Cd(Ⅱ)/In(Ⅲ)重叠响应信号,新息序列表明,测量模型误差存在于Cd(Ⅱ)开始起波至峰值范围内.   << 更多相关文摘 
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