查询词典 acceleration time

Projectile's radial acceleration sample value in trajectory includes projectile's angular velocity information and air drag acceleration,to extract angular velocity-time series value,the design method of the FIR digital filter firstly uses Matlab to design and emulate,and then on the float-point of DSP digital filtering is realized.

旋转弹丸外弹道离心加速度采样信号包含有高频弹丸转速信息和空气阻力加速度低频分量，为了提取弹丸转速－时间序列值，需要实时滤除低频阻力加速度分量，设计了在DSP中实时实现的数字滤波器。

Compared with reinforced concrete floor, steel deck possess the advantage of thin wall, light in mass, but owing to smallness of damp, weakness of dissipation of energy, comfort possibly dissatisfies applicability required. Therefore, this paper first calculates and analyses dynamic property of new style steel deck; according to single footfall curve, ascertaining hominine walking excitation; utilizing time-history analytical method, calculating peak acceleration response of floor slab under excitation, and analyzing peak acceleration response proceeding from different board stride, different damping ratio as well as different profile.

相对于钢筋混凝土楼板而言，虽然钢承板具有壁薄、质轻的优势，但由于阻尼小、耗能差，其舒适度可能会不满足适用性的要求，为此本文首先计算和分析了新型钢承板的动力特性；根据单步落足曲线确定了人的行走激励；利用时程分析法，计算了楼板在行走激励下的最大加速度响应，并对不同板跨、不同阻尼比以及不同板型下的最大加速度响应进行了分析，结果表明这三种因素，尤其阻尼比和板型对于加速度响应的影响较大。

The growth of Schizopygopsis stoliczkai stoliczkai could be fitted with von Bertalanffy equation. There were inflexions in growth rate and growth acceleration of body weight, the reflection point was t=10.18 years. Growth rate and growth acceleration of body length would change as time.

用von Bertalanffy方程拟合高原裸裂尻鱼的生长，体重生长速度和加速度曲线均具明显拐点，拐点年龄为10.18龄，体长生长速度和加速度随时间变化。

The purpose of this activity is to investigate how the acceleration of an object down an incline depends on the angle of the incline and to obtain the acceleration due to gravity.

本实验的目的是研究沿斜面向下的物体的加速度如何依赖于斜面倾角，并得到重力加速度。

Projectile impact and penetration in a 2D granular bed under the acceleration due to gravity was been studied by fast video photograph and acceleration sensors.

用高速摄像和加速度传感器观测方法研究物体在重力加速度作用下撞击二维颗粒床并在其中穿行的运动过程。

The slope of a graph of the cart's acceleration versus sin 續 gives the value of "g", the acceleration due to gravity.

小车加速度—— sin θ图表的斜率就是重力加速度" g "的值。

With the aid of the high-speed camera and the LC acceleration sensor,researches are made into the strike and the run-through of an object in the two-dimensional particulate matter under the effect of the acceleration of gravity q.

笔者用高速摄像和LC加速度传感器进行采集的方法研究了在重力加速度g作用下的物体在二维颗粒床中的撞击和穿透过程。

The simulation shows that the angular rate of moving projectile can be calculated directly by using this kind of measurement unit and the influence of the gravity acceleration on calculating angular rate and acceleration can be eliminated effectively.

计算机仿真分析显示这种测量方案直接解算的是弹体运动角速度，并可以有效地消除重力加速度分量对解算弹体运动角速度及线加速度的影响。

This method can reflect the changes of mechanical angular acceleration in various rotating system, and it is suitable for the fields where the mechanical angular acceleration changes so quickly.

它可以直观地反映出各种旋转系统随时间变化的机械角加速度的变化情况，可应用于旋转系统机械角加速度快速变化的测量场合。

Third, the error of the axial acceleration and the angular acceleration are studied and formulated.

经过扩展卡尔曼滤波算法校正后，可有效地提高载体角速度的解算精度。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。