velocity curve

A Study on Technical Modification of Control Method of Velocity Curve for Dongyang Elevator

东洋电梯给定速度曲线控制方式的技术改造研究

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This paper introduces application of surface wave technique in survey to Dawan landslide in Chongqing-Linshui Expressway. It detects slide face with 3 judgment methods such as time domain signal analysis, frequency dispersion curve and wave velocity cloud map.

运用面波技术对渝邻路的大湾滑坡进行了勘察，通过时域信号分析、频散曲线和波速云图3种判定方法查明了滑坡的滑动面。

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The air permeation velocity and pressure gradient curve in the soil show clearly in step-phase.

气体渗透速度与外界所施加的“压力平方差梯度”之间存在明显的分段特征.

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The technical modification of the control method for the given velocity curve of Dongyang elevator has been successfully carried out by using the PLC software to replace hardware logical control circuits.

采用以PLC软件取代硬件逻辑控制电路，对东洋电梯给定速度曲线控制方式进行技术改造。

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The frequency width of the fundamental wave depends primarily on the inner diameter of the spiral curve, and with the inner diameter fixed, the phase velocity of the fundamental wave can be adjusted by changing the spiral pitch.

基波的频带宽度主要决定于螺旋线的内径，在内径确定的情况下，可以通过改变螺距对基波的相速度大小进行调节；

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In this paper, the optimization computation problem of saving energy for the train travelling on the undulating slope line is discussed. To generate the velocity schema curve of optimization operation for train, a computation model combined local optimization with global optimization is proposed.

讨论了在起伏坡道线路上运行的列车节能操纵的优化计算问题，给出了一种局部优化与全局优化相配合的计算结构，用以生成列车优化操纵的速度模式曲线。

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By drawing the velocity curve and the time curve about slide in advantageous and disadvantageous, calculates the difficulty in driving the camelback time interval.

通过绘制有利、不利溜放条件下的速度曲线和时间曲线，根据绘制出的曲线计算出难易行车的驼峰间隔时间。

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Doppler frequency shifting and curve fitting differential methods for measuring velocity are analyzed and compared.

对测量速度的两种方法，多普勒频移法和曲线拟合微分法作了分析和比较；

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According to the simulation data of slip velocity and adhesion coefficient, a fuzzy model, RV-TS model, is built to describe the adhesion characteristic curve.

通过仿真实验，采集蠕滑速度和粘着系数的数据，利用RV-TS模型对粘着特性曲线进行模糊建模。

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The application also realize much more functions, such as real-time monitor the running state, low-speed run to debug, conveniently amend the key parameter, interface and sound give an alarm at the fault point, friendly human-computer interface, real-time display the hoist's velocity curve.

该系统不但具有运行状态实时检测、调试低速运行、关键参数方便修改、故障点画面和语音双重报警的功能，还具有友好的人机界面及提升机速度曲线实时显示的功能。

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Some "fishhook" curves are also given which appear from the third group velocity curve.

并给出了从第三支群速度曲线开始出现的若干条鱼钩状曲线。

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Furthermore, a guidance law is proposed by using a combination of optimal guidance law design with ideal velocity curve approach. The terminal guidance accuracy, the direction and amplitude of the aerocraft velocity are guaranteed by using the derivative guidance law.

同时采用最优制导律设计与理想速度曲线相结合的方法，设计了能同时保证末端制导精度及速度方向、大小的制导律。

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The paper discussed four time-distance curve equation of seismic waves in vertical heterogeneous media; analyzed and compared the errors of ray paths and travel-time curves under the approximation of different velocity function in four layered media models;

本文讨论了四种垂向非均匀介质中地震波的时距曲线方程，分析比较了四类层状介质模型在不同速度函数近似下的射线路径和走时曲线误差；

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