系统误差

With GPS global satellite positioning system, Matsuura Bridge, 100 meters above the ground on the main tower Pylon construction accuracy has greatly improved the error can be controlled within 10 mm.

借助 GPS 全球卫星定位系统，松浦大桥百米高空的主塔上塔柱施工精度大大提高，其误差可控制在10毫米之内。

Matsuura Bridge, Central Command area of cable-stayed bridge to prestressed cables, cords and duct construction and installation to take GPS global satellite positioning system for spatial orientation, select no wind, no sun in the morning and evening measurements, measured twice a day, any size guarantee 100 meters altitude error of less than 10 mm to ensure the accuracy of the construction.

松浦大桥指挥部对斜拉桥拉索区环向预应力、索导管安装等施工采取GPS全球卫星定位系统进行空间定位，选择无风、无阳光的清晨和傍晚进行测量，每天测量两次，保证百米高空任何尺寸误差在10毫米以内，确保施工精度。

The test results show that the system's maximum error rate of pure water buoyancy test is less than 1%.

试验结果表明，该系统在纯水中浮力测试的最大误差小于1%。

We focus on a special case of blind identification and signal separation—separation of a Gaussian AR process and a white Gaussian noise. After summarizing and analyzing its maximum likelihood solution in frequency domain, we develop a new ML method based on prediction error method.

四、针对一类特殊的信号分离问题——高斯AR过程与高斯白噪声的盲分离与参数估计，系统地分析和归纳了该类问题的最大似然解决方法，在此基础上基于预测误差方法，给出了一种新的最大似然解决方法。

The temperature of solid vibration gyroscope developed by ourselves was measured, analyzed and corrected. At last, the mean square deviation reduced from 31.4182 to 0.5477. The experiment results proved that the design of soft and hardware is effective.

设计了一个温度测试与补偿系统，对压电陀螺进行了温度误差的测量、分析与补偿，将陀螺角度测量均方差从31.4182降至0.5477，证明了软硬件设计的有效性。

Through the analysis of the experiment results, the methods of reducing measuring error of the system are provided.

通过对实验结果的分析，提出了减小系统测量误差的方法和措施。

Last, the error of the measuring system is being analyzed, and results show that the cross-axis sensitivity of the sensor and the temperature affect the measurement little.

最后，对测量系统中的误差进行了分析，结果表明传感头的横向响应和温度对测量的影响均不明显。

Color difference research is important for industrial applications such as tolerance control, assessment of metamerism and color constancy, color fidelity evaluation of different color reproduction systems and a uniform color space for industrial design.

色差研究在工业界应用是非常重要的，诸如色彩容许误差控制、色彩恒常及条件等色评价、不同色彩复制系统之色彩逼真性评估及提供工业设计界一个均匀色彩空间。

Authors research on the principle,method and others of the optimum perturbation method in this paper,and discuss the process of iterative calculation

1造成这一局限性的主要原因是卡尔曼滤波器对非线性和时变系统有较大误差。

When it comes to the local prediction of chaotic time series, owing to the fact that the fixed embedding dimension、the number of the nearest neighbours and regularization parameters can cause the added prediction error,we give the adaptive local linear method and discuss the adaptive selection method of regularization parameters, the advantage of which is tested by the Henon map and Lorenz system simulated data and the integrated index in stock market of Shanghai, to show its practicable value.

通过Henon映射和Lorenz系统的仿真和上海证券市场综合指数的实证分析，说明了基于正则化回归的自适应局部线性化方法能减小预测误差、提高计算精度。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。