查询词典 error model

The model parameters were adjusted ad aptively according to the change law of GPS reˉ ceiver clock error.

该模型可以根据GPS接收机钟差的变化规律而自适应调节模型参数。

In this paper, based on the analysis of the IF GPS signal theoretic model, a digitized GPS signal generator is implemented in Matlab, which can generate the received GPS signal at the digitized IF frequencies, and the noise and receiver clock error are also simulated.

本文在中频GPS信号理论模型分析的基础上，用Matlab实现了一种数字GPS信号生成模型，它能够在数字中频上产生GPS接收信号，其中包含仿真的噪声和接收机时钟误差。

Tightly integration ; adaptive model ; clock error ; GPS receiver

深组合；自适应模型；时钟误差； GPS接收机

In this paper,it presents that the two parameters of objective evaluation of color image quality,color difference mean square error and color difference peak signal-to-noise ratio based on the model of S-CIELAB.

对JEPG2000、加白噪音和图像传输中产生位错的三类失真共180幅彩色图像进行了CD-PSNR参量计算，并与国际上已经给出的主观评价结果进行了比较。

The influence of PDIC position error on the DPD signal is analyzed and computed using the DVD-ROM parameters based on the optic disk scalar diffraction model.

在光盘标量衍射模型的基础上，引入光电探测器的位置误差参数，根据DVD-ROM的盘片参数，计算并分析了位置误差对差动相位探测信号的影响。

In order to make the measuring device quickly work and reduce the error of incline, based on project practicality and optics theory, a mathematical model for real-time compensative level is established using the angles tested by dipping compass.

为了使测量设备快速进入测量状态，减小因倾斜带来的测量误差，结合工程实际应用，根据光学成像理论，利用水平倾角仪测量的角度值，建立了一个实时调平补偿的数学模型。

With process data of blast furnace No.1 in Tianjin Iron Plant, the parameters, Ru and Sita, of model have been optimized based on criteria of predictability, hit ratio, direction hit ratio and mean sum of square error according to each variable respectively.

以可预测率、预测命中率、趋势预测命中率及平均误差平方和为评价标准，确定了各影响因素的警戒参数Ru和滤波参数Sita的优化值范围。

The relative error between predicted shelf life and the real one was -2.62%, which suggested that this model could evaluate the microbial quality and remaining shelf life of the cultured large yellow croakers stored under 4℃+1℃, rapidly and reliably.

并进行了货架期的预测，相对误差为-2.62％，显示建立的模型可以快速可靠地实时预测4℃±1℃贮藏养殖大黄鱼的微生物学质量和剩余货架期。

In order to improve the error of the system model, the Kalman filter argorithm with the forget factor is proposed.

通过计算机模拟，其模拟结果表明了该方法是有效的。

Lightened on the turbine valve controller designed with feedback linearization theory and introduced nonlinear tracking-differentiator, a novel nonlinear PID valve controller was proposed. This controller can fit not only to plant with some model error and random disturbance in variable, but also to the variety of the structure and operating conditions of power system. The transient and dynamic characters of the controller are both satisfactory when big and small disturbances added. The good performance, wide stable margin and heavy robustness of the valve controller proved that it is a great practical application to enhance the stability of power system.

结合反馈线性化法汽轮发电机组的汽门控制研究成果，引入非线性跟踪微分器和非线性度变换控制，进行了发电机组的非线性PID汽门控制器设计，该控制器不仅能适应一定的系统模型误差与变量的不确定性干扰，而且对于电网结构和运行工况的变化有着较强的适应能力，在受大、小扰动的情况下，呈现了较好的暂态特性和动态品质，具有较好的控制品质、较高的稳定裕度和较强的鲁棒性能，有利于进一步改善电力系统的稳定性，显示了其较强的实用性。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。