采用机械阻抗原理,给出了轮轨系统随机激振力功率谱密度函数的理论计算方法。
A theoretical method of the PSD of random excitation force in Wheec-rail system is advanced on the principle of mechanical impedance.
但现在我要产生的,功率是力和速度,间的标量积。
But now the power that I have to generate is the dot product between the force and the velocity.
普遍来说,六成的制动功率分配给前轮,原因前轮是在减速过程中负荷量发生变化,承担降低冲撞力的功能。
Under normal operation about 60 percent of braking power goes to the front wheels which, because of load transfer under deceleration, take the brunt of the retardation duties.
本文设计了一种恒功率脉冲调宽式力平衡式传感器,并从理论上对它作了分析。
In this paper, a kind of sensor with constant power pulse width modulation and force balance is described and analysed theoretically.
分别利用坡面径流剪切力、坡面径流能耗和坡面径流单位水流功率理论对坡面土壤侵蚀发生过程进行了研究。
In this research, soil erosion and sediment yield was calculated by runoff shear stress, runoff energy consumption and runoff power theory respectively.
本文介绍了液压振动台的计算机控制,其控制形式为恒功率和恒激振力控制。
This paper introduces a computer control for hydraulic vibrating table, with adopting constant power and constant exciting force control.
运用该原理编制的计算机程序可以计算各切削齿的切削面积、切削体积、切削速度、切削力和切削功率等。
By means of the program established according to the above-mentioned principle, the cutting area, cutting volume, cutting speed, cutting force and cutting power of every tooth can be computed.
通过仿真发现:BP网络模型经过训练后,锯切功率和锯切力仿真值与实验值的误差在20%以内。
Through the simulation, the following conclusions can be drawn. Sawing power and sawing force could be simulated within 20% error by the BP model which was well-trained.
文章研究金刚石薄锯片切割花岗岩过程中的力和功率变化特征。
In this paper, the characteristics of forces and power in sawing of granite with a thin blade were studied.
针对径向力的控制要求研制了双向电流型线性功率放大器和PID控制器。
The linear power amplifier of current-type and the PIDcontroller is designed for the control of radial force.
通过理论推导,得出基于剪切力和水流功率的均匀沙起动临界条件表达式。
Based on both shear force and stream power and through theoretical derivation, the incipient motion critical conditions of cohesionless uniform sediment are achieved.
对封闭式差动轮系进行了受力分析,揭示了封闭系统所起的作用以及轮系中的功率分流和力分流的现象。
Theaction of the Closed system, the phenomena of the split flow of power and the force in the closed type of differential gear train have been demonstrated.
论述中板轧机压下装置的组成及结构、力的计算、电机功率的计算。
The construction, force calculation and motor power calculation are described in the article for the hold-down system in plate mills.
一个有用的单位转换器可以帮助您日常计算,包括面积,密度,能源,力,长度,质量,功率,压力,速度,温度和体积的转换。
A useful unit converter can help you make the daily calculation, including conversion of area, density, energy, force, length, mass, power, pressure, speed, temperature and volume.
通过对各工艺力的计算初步选定了压力机并进行了闭合高度校核和功率校核。
The press machine is selected through the technology force calculation, and the shut height as well as power is checked.
相比之下,火箭的化学能功率是推进力的一半乘以排气速度。
By comparison, the chemical power generated by a rocket equals one half the thrust times the exhaust velocity.
测试平台系统的动态力发生装置是利用激振器作为执行器并配以相应信号发生电路和功率放大器来实现梯形动态力。
The dynamic force generator is based on the vibration exciter which is used as the actuator to get the needed dynamic force with the corresponding signal generator and power amplifier.
工频变压器输出方式,输出功率能力强,抗冲击力强。
Power-frequency transformer output style, strong capability output power, better contradict wallop.
这不仅增大了反应堆的安全性能,同时也能够有效地增加反应堆单堆功率,使环型球床高温气冷堆在经济上更具竞争力。
It improved the reactor's safety performance and increased the power of single reactor, which made circular high temperature gas reactor much more competitive in economics.
通过测量主轴功率获得切向磨削力,讨论了加工参数,如切深、进给率以及砂轮粒度对切向磨削力的影响。
Tangential grinding forces are obtained through monitoring spindle power and the ir variations are studied with process parameters such as depth of cut, feedrate and wheel grit size.
与传统功率谱估计、最大熵谱估计结果的对比表明,多窗谱分析方法方法得到的谱估计分辨力高,稳定性强。
Compared to the Black-Tukey method and Maximum entropy method, the spectral estimations based on MTM are of high resolution and strong stability.
刮削残余应力与刮削功率及切削力之间的函数关系,可用作汽车齿轮制造中监测刮削残余应力状态的参考依据。
The functional relation of the residual stresses and the skiving power and force can be applied to monitor the residual stresses pattern of automotive gears during the skiving process.
提高大功率船舶柴油机的生产能力和水平对提高我国造船行业的国际竞争力有着重要的意义。
Improving the production capability and technical level of high-power diesel engine can help to boost the domestic shipbuilding industry.
你会下意识地想到我可能会出错了,因为球总能回来,而后你可能尝试发力打一拍成功率比较低的球来结束这一分。
You will begin subconsciously thinking I must be doing something wrong because the ball keeps coming back You will then attempt to hit the ball harder or try a low percentage shot to end the point.
我们设想他成为一名律师一天陪审团,有近100%的成功率有说服力的。
We envisioned him becoming a lawyer one day, with a near 100% success rate of convincing juries.
我们设想他成为一名律师一天陪审团,有近100%的成功率有说服力的。
We envisioned him becoming a lawyer one day, with a near 100% success rate of convincing juries.
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