加速度

Quartzose accelerometer ; temperature drift ; wavelet analysis ; neural network

石英加速度计；温度漂移；小波分析；神经网络

The output of quartzose accelerometer used in GFSINS(gyroscope-free strapdown inertial navigation system) drifts significantly in different temperature conditions,the theory analiysis and a large number of tests are made for its static temperature characteristics by the use of wavelet neural networks compensation.

无陀螺捷联惯导系统中所使用的石英加速度计的输出在不同温度条件下漂移比较显著，通过理论分析和试验研究了其静态温度特性，提出了利用小波神经网络进行补偿的方案。

The static time and temperature's drift of the quartzose flexible accelerometer in SINS was studied through theory and experiments,and a LM algorithm's BP network was developed to compensate the drift.

针对捷联惯导系统中石英挠性线加速度计输出偏值在快速启动和不同温度条件下漂移较大的问题，从理论和大量试验上研究了其静态时、温漂特性，提出了采用LM算法的BP神经网络进行二维补偿的方法。

Therefore, the acceleration damp in concrete, the lateral and longitudinal propagation law on the acceleration in concrete, and relationship between acceleration and slip forming quality were tested and analysed theoretically and regressively.

本文因此就滑模摊铺过程中加速度在混凝土中的衰减、横向和纵向传播规律以及与成型质量关系进行了试验、理论分析和统计回归分析。

The vertical ground acceleration caused by the seism of the gr ound and the nearground surface explosion is studied experimentally.

对地面和地面以上爆炸地震引起的地面竖向振动加速度进行了实验研究。

For example, by using the functions of GIS for map layers piling and combination, data query and comprehensive analysis, the seismotectonic map of Eastern Asia Region is compiled, the potential seismic source area of the region is delineated and their seismic activity parameters are obtained respectively. On the bases of these, the peak ground accelerations with probability of exceedence of 10%in 50 years for Eastern Asian Region are computed and assessed by 1°×1°.

以东亚地区地震危险性分析为例，在GIS平台下，利用GIS的图层叠加和拼接、空间数据查询和综合分析功能，编制了东亚地区地震构造图，划分了该区的潜在震源区，并得到了各潜在震源区相应的地震活动性参数，在此基础上，按1°×1°计算和分析了东亚地区未来50年超越概率为10％的峰值地面加速度。

When a structure is excited by external loadings or ground accelerations, the structural sidesway can be detected by the device, and control forces are provided or released if pre-defined conditions are fulfilled.

此机构侦测结构物於受外载重或地表加速度所引起之楼层振动位移，当某些预设之条件满足时，此机构即提供控制力於结构物。

Since logic was invented by Aristotle, the philosopher of Ancient Greece, there have been sortation and metaphysical knowledge that began to impact the westerners' thinking, although many mistakes of Aristotle were found later, such as his thought of proportional gravity acceleration to an object gravity, his denial to the existence of vacuum etc.

从古希腊哲学家亚里士多德发明逻辑学开始，就有了分类，有了形而上学的学问，也从此影响了西方人的思维，尽管后人发现了亚里士多德的许多错误，比如他认为重力加速度与物体的重量成正比，他不承认真空的存在等等。

Three typical cross section of subgrade has been chosen to test, one of which is near the rail gap. The dynamic characteristic test of subgrade bed including part of subballast and the long-pe

根据各断面在列车荷载作用下的动应力、动变形、振动速度、加速度和累积沉降等实测数据，分析了各影响因素对基床动力特性的影响和不同加固方案及轨缝附近线路的长期沉降变化规律，有以下基本结论：(1)砂土夯实桩与土工格室加固措施能提高基床的承载力，改善基床

This part of the design process is then followed by analysis of forces and torques.

通常需要详细分析位移、速度和加速度。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！