time for acceleration

Our economy has been developing increasingly and dramatically since 1980' s. The investment into housing market increases gradually and the demand for elevators is also growing at the same time with the acceleration of urban construction.

自上世纪80年代以来，我国经济持续快速发展，城市建设加速，房地产投资逐渐加大力度，市场对电梯的需求量越来越大。

互联网摘选

So, the optimization of parallel scanning pattern of laser scan path has been discussed to improve the efficiency of scanning. As a result, additional time for deceleration and acceleration of scanner is decreased.

本文对平行扫描路径进行分析，针对激光器扫描时加减速额外消耗时间，运用图形学中多边形性质及激光扫描过程特点，提出了优化扫描方向的算法，可在不降低精度的基础上大幅度提高效率。

互联网摘选

Tests demonstrate that the parallel solver have the same number of iterations with the block-parallel technique reducing the process communication time for the global acceleration by half.

实验证明归并迭代并行解法器能够保证和串行解法器大致相当的总迭代次数，分块并行加速收敛技术能够降低接近1/2的全局进程通信时间。

互联网摘选

Real-time Smoking Simulation Based on GPU Acceleration for Virtual Endoscopic Surgery

基于GPU加速的虚拟内窥镜手术实时冒烟仿真

互联网摘选

The acceleration and velocity signals obtained from simulation of hard target penetration are unsteady, and comprise plenty of frequency. Owing to the excellent characteristic of time frequency localization, wavelet packet is rather suitable for analyzing this kind of signals.

硬目标侵彻仿真得到的速度、加速度信号频率成分非常丰富，而且是非平稳的随机过程，小波分析具有良好的时频局部化性质，可用来分析这些信号。

互联网摘选

Based on the information of practical survey upon gravity change before and after Haicheng Earthquake, the paper presents a reduced representation for change of acceleration of gravity with time.

本文根据海城地震前后重力变化的实测资料提出重力加速度随时间变化的一种简化表示。

互联网摘选

In the ABS control cycle, the reacceleration of the locking wheels is provided only by decreasing the braking pressure. An external tractive torque can be used to shorten the time for acceleration during the phase of lowering of the braking pressure.

在该ABS的控制周期内，只有减小制动压力才能使锁止轮再加速，当在制动压力比较低的阶段可采用一外加牵引力矩来缩短加速时间。

互联网摘选