查询词典 direction parameter

According to characteristic of model parameters, direction criterion based on model parameter identifying is proposed to decide the direction of faults.

本文提出了一种新的基于模型参数识别的快速方向元件，即将线路分别等效为R-L模型、T模型和Π模型，然后建立相应线路等效模型下区内、区外故障时的数学模型，利用最小二乘法求解模型参数—系统电阻R和系统电感L，根据得到的模型参数的特性，构造出基于模型的参数识别方向判据，从而判断出故障的方向。

Drop direction is an important parameter of drop impact ,this paper presented a new method to measure drop direction and introduced the basic structure,measurement circuit and principle of the sensor.

跌落方位是跌落冲击中的一个重要参数，测量较为困难，提出了一种基于电容传感器的跌落方位现场测试新方案，分析了其基本结构、测量电路、测试原理和方法。

During the period of design, according to change direction various parameter of the arm spare parts, analyze it is anticipate by the metals to change in to take shape the Forging piece to transform process, draw up more reasonable craft process;From change direction the arm Forging piece system process, design more economic, use convenience, more reasonable molding tool.

在设计过程中，根据转向臂零件的各种参数，分析了其由坯料变为成形锻件的变形过程，制定出了较为合理的工艺流程；由转向臂锻件的制坯过程，设计出了较为经济，使用方便，较为合理的模具。

First four parameters adjust maximum offset in every direction, fifth parameter sets shaking period in milliseconds, sixth parameter sets the initial seed for random number generator so the form shaking will not change upon calls.

前四个参数调整在各个方向的最大偏移量，第五个参数设置在毫秒内的抖动周期，第六个参数设置为随机数发生器的初始种子，使之震动的形式保持一致。

According to the image lane marking parameter information,not the position and direction of the parameter estimation model in the current traffic lane were established, but also the establishment of a lane width of the model.

建立了车辆在当前车道中位置参数、方向参数以及车道宽度估计模型。

By using the steepest descent rule, the estimated second-truncated Volterra kernel parameters can be obtained after the object function converged. Based on the above results, the geometric assignment of kernel parameter vector corresponding to particular fault or normal operation, which is lies in a fixed and fault-specified direction in the parameter space, was used to fault diagnosis and Fault Isolation.

第四章针对起动发电机系统在起动过程具有较强的非线性特性，利用非线性volterra建模后获取的核参数向量来表征起动发电机的正常工作及各种故障模型，而核参数求值过程中快速收敛，有利于实现故障的快速、准确诊断与故障类型分离。

By using the computer emulation technique, This paper researched design parameter (the equivalent radial or axial direction stillness , the damp parameter, the bearing pre-tightening force, the span, the extra centralized mass and damp) influence law on dynamical characteristic of the principal axis system, which made a meaningful explorati.

采用计算机仿真技术，研究轴承等效径向刚度与阻尼参数、轴承预紧力、跨距，附加集中质量和阻尼等设计参数对主轴系统动力特性的影响规律，为主轴系统的动态优化设计进行了有意的探索。

Time-Frequency parameter estimation and direction finding for nonstationary signals impinging on an antenna array over a wide frequency band (2~18GHz) is under in-vestigation, and a new method for parameter and 2-D Angle-Of-Arrival estimation of spatio-temporal undersampled LFM sources is proposed in this paper.

摘要针对宽频段(2-18GHz)内非平稳来波信号的参数估计和测向问题，提出一种时空欠采样线性调频信号参数与二维到达角联合估计方法。

It is the basis for designing balance mass. And, the couple between flexure and torsional vibration is calculated, which is QRSs intrinsic zero drift, and is also main considerations of determining scale factor.(3) There is a difference for equivalent elastic compliance constant of quartz crystal between the X-direction and the Z-direction. It is related directly to each parameter of QRS.

2对由机械耦合产生的零漂作了系统的定量描述，指出质量不平衡等因素产生的零漂可以由加质量和去质量来消除，这是我们设计平衡质量的依据；同时，计算了弯曲振动和扭转振动之间的耦合，指出它是QRS的固有零漂，也是确定QRS标度因子时所必须考虑的主要因素之一。

This subject takes the thick metal sheet as the research object, adopting combination of physics analysis and mathematics calculation, combination of the theories study with computer simulating and concretely experiment, at the basic of analyze the stress strain of sheet"s thickness direction, consider the influence of sheet"s thickness variety and the stress straining neutral layers variety to the craft parameter, in the basic of using for reference of the sheet, figure out the craft process and craft parameter of the sheet.

本课题以金属厚板为研究对象，采用物理分析和数学计算相结合、理论研究与计算机模拟和具体实验相结合的方式，在分析板厚方向应力应变状况的基础上，考虑板厚变化和应力应变中性层变化对弯曲工艺参数的影响，在借鉴薄板弯曲的基础上总结出厚板弯曲的一般计算方法。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。