Aim at current existent problems and defects in visual approach slope indicator, a new Precision approach Path instruction method has studied.
针对现有目视进近下滑坡度指示系统存在的问题和缺陷,研究了一种新型精密进近航道指示方法。
Instability and reasons of peak current controlled BOOST converter are simply analyzed, basic principles of slope compensation and design problems are also expatiated.
简要分析了峰值电流控制模式升压变换器的不稳定性及其原因,阐述了斜坡补偿的基本原理和设计问题。
An adaptive slope compensation circuit used in current mode DC-DC converters is presented.
提出了一种应用于电流型DC - DC转换器的自适应斜坡补偿电路。
The effect of deterioration on the reliability of slopes of various periods of service, however, has seldom been considered explicitly in the current reliability approach in slope engineering.
然而,目前边坡工程可靠度分析中,有关各种服务期边坡可靠性的衰退,还没有得到明晰的考虑。
This paper introduces the theory of slope compensation and presents a piecewise linear slope compensation circuit for peak current mode boost DC-DC converter.
结合一款升压型直流-直流变换器,介绍了峰值电流模式中的斜坡补偿基本原理,提出了一种分段线性斜坡补偿电路。
Appraising the current methods of slope stability, the paper puts forward Finite Element Plastic Limit Analysis of the slope stability subjected to pore water pressure.
本论文对目前用于边坡稳定性评价的主要方法进行了研究对比后,提出了考虑孔隙水压力条件下的边坡有限元塑性极限分析法。
Nine seconds later, the warning changed to a current alert, indicating the track had passed below the glide slope altitude.
九秒钟之后,警告转变成连续不断的警报,指示航迹已经低于下滑道高度。
It was also pointed out that, under current social and economic condition, establishing protective farming system is an economical way to control water and soil loss in slope cultivated land.
认为在目前的社会经济条件下,建立保护性种制度是减轻坡耕地水土流失最为经济有效的途径。
Spreading and gravity current on a slope.
斜坡上的扩张流与重力流;
To a current eye, HPS can hardly count as a slope at all.
以现在的眼光看,它算不上什么坡。
The bridge foundation position on high-steep slope is not specified definitely in current corresponding norms or hand books.
而目前相应的规范及手册中,对高陡边坡桥基位置没有明确的规定。
The welding current, arc voltage, preset current, the period and ratio of pulse, base current, down slope time, gas pre and post flow time are sampled, calculated and controlled by microprocessor.
单片机对焊接电流、电弧电压、电流给定、脉冲周期、占空比、基值电流、收弧电流衰减时间、前气和后气时间等焊接参数进行采样、计算和控制。
The paper introduces the theory of slope compensation in the current-mode of control of PWM mode in detail.
详细介绍了PWM式中峰值电流模式控制中的斜波补偿技术的原理。
In the design of current-mode PWM DC-DC converters, the slope compensation method is widely used to prevent sub-harmonic oscillation.
设计电流模脉冲宽度调制直流转换器时,人们广泛采用斜坡补偿电路来消除谐波振荡。
The near-shore wave-current field formed by the breaking of oblique incident wave is numerically simulated by applying the mild slope equation for describing the wave propagation in coastal zone.
波浪向近岸传播的过程中由波浪破碎等效应所形成的近岸波流场是近岸缓坡区域重要的环境动力因素之一。
In the design of current-mode PWM DC-DC converters, the slope compensation method widely used to prevent sub-harmonic oscillation can significantly weaken the load capacity under a high duty cycle.
电流模pwm集成dc - DC变换器设计中,为了防止亚谐波振荡而普遍采用的斜坡补偿,会在占空比较大时严重影响芯片的带载能力。
This paper introduces the theory of slope compensation and presents a piecewise linear slope compensation circuit for peak current mode boost DC-DC converter.
为了防止亚谐波振荡以及提高系统的稳定性和带载能力,设计了一种全区间分段线性斜坡补偿电路。
The flow height and velocity of surge-type turbidity current is proportional to the motion distance and under slope.
涌流型浊流的流体厚度及速度与搬运距离和底坡成正比;
The parcels average slope is a vital parameter, which determines whether land use is rational in the current round of land use updated survey.
图斑的平均坡度是新一轮土地利用更新调查中确定土地利用是否合理的重要参数,但常用的图斑平均坡度获取方法均存在不同程度的不足。
The paper analyzed the current situation of Hengshan tourist road slope and the necessity of the treatment etc.
分析了恒山旅游公路边坡的现状和整治的必要性,介绍了采用覆盖式钢索网和钢丝网边坡防护系统的方案。
The simulation model of high voltage induction motors soft starting control is created by MATLAB. The soft starting control model of the current-limit start and the voltage-slope start are simulated.
利用MATLAB搭建了高压异步电动机软起动控制的仿真模型,对限流和电压斜坡软起动控制方式分别进行仿真。
A methodology is presented so as to obtain the slope fuzzy reliability and reliability index. An example is given, and the results are compared with the current reliability assessment.
本文给出模糊随机可靠度的计算方法,给出实例并与经典随机可靠度比较,得到更合理的结果。
A methodology is presented so as to obtain the slope fuzzy reliability and reliability index. An example is given, and the results are compared with the current reliability assessment.
本文给出模糊随机可靠度的计算方法,给出实例并与经典随机可靠度比较,得到更合理的结果。
应用推荐