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- Experimental Study on the Stiffness Degradation of Composite Laminates under Constant Amplitude Loading 常幅疲劳载荷下复合材料层合板刚度退化试验研究
- Analytic model based on stress intensity factor for estimating the reliability of structural components under constant amplitude loading 常幅载荷下结构元件断裂可靠度估算的应力强度因子模型
- CRACK PROPAGATION STUDIES ON AI 7475 ON THE BASIS OF CONSTANT AMPLITUDE AND SELECTIVE VARIABLE AMPLITUDE LOADING HISTORIES 7475铝合金在恒幅及所选变幅加载历程下的裂纹扩展研究
- constant amplitude loading 恒辐载荷
- In the FEM simulation of the loading identification process, the bending moment maintains a constant amplitude, hut its direction is alterable. 在有限元仿真计算中,弯矩载荷的大小保持不变,但方向可调。
- This paper studied the fatigue properties of the plain concrete under constant amplitude flexural cyclic loading. 在室内混凝土试件弯曲疲劳试验的基础上,研究了素混凝土受弯试件在等幅重复荷载作用下的弯曲疲劳性能。
- In this paper,the stress-strain analysis and life prediction for the notched shafts were studied under multiaxial constant amplitude proportional loading. 本文针对多轴比例恒幅加载情况下的缺口件进行了应力应变分析和寿命预测研究。
- The effect ratio spectrums of standard load and the equivalent constant amplitude repeated stress of controlling sections are calculated. 利用标准荷载效应比频谱,可计算出钢筋的等效等幅应力换算系数。
- This results in a decreasing amplitude in the first case and constant amplitude in the second. 在第一种情况下,它导致振幅递减;在第二种情况下,振幅不变。
- In a first approximation, the departure from a constant amplitude vs frequency characteristic will be a characteristics with a linear slop that will vary with time. 采用一级近似;则可认为对频率特性曲线的等幅偏移是一具有时变线性斜率的特性曲线.
- In this paper, CAWS (Constant Amplitude Wave Superposition) is employed to simulate wind speed time series. 笔者利用谐波叠加法模拟了风速时程样本。
- This constant amplitude across a constant resistor results in current pulses of a constant magnitude. 这种不断的幅度在不断电阻电流脉冲成果的不断规模。
- By strengthening under low amplitude loading,bend fatigue strength and life of gear teeth can be increased by 3.97 and 109 percents,respectively. 经过低幅载荷强化;该齿轮轮齿的弯曲疲劳强度提高了3.;97%25;弯曲疲劳寿命提高了109%25。
- The preliminary reasons of influencing the strengthening under low amplitude loading for different structural strengthes were analyzed macroscopically and microscopically. 从宏观和微观上初步分析了结构强度对低载强化特性影响的原因。
- Therefore, the experimented circuits are simple, stable and reliable, and the TFM signal can exactly meet the constant amplitude condition. 因此,具有电 路实现简单,稳定可靠,TFM信号寄生调幅小等优点。
- The base-emitter voltage of the transistor subtracts 0.6V from that, resulting in a constant amplitude of 0.6V at the emitter. 该基地发射的晶体管电压减去0.;6V的从,从而不断振幅0
- Having undergone accelerative calendar corrosion,a plate with a central hole of LC4CS alloy was subjected to constant amplitude cyclic loads after a tensile overload. 采用预腐蚀后进行单次拉伸超载疲劳试验的方法,研究了腐蚀与超载对LC4CS材料疲劳寿命的影响。
- SPWM is a set of constant amplitude but unconstant width rectangular serial pulse produced by control return circuit to approximate sinusoidal voltage waves. SPWM(正弦脉宽调制)是由控制回路产生一组等幅而不等宽的矩形脉冲列,用来近似正弦电压波。
- On the basis of the tests as well as experiments, the best break-in times of transmission gear with a low amplitude load were found, and the rule of lengthening the fatigue life of these gears with different times of breaking-in was summarized. 在试验的基础上,给出该变速箱齿轮低载强化的最佳磨合次数,并总结出该齿轮在交变载荷下不同磨合次数的疲劳寿命增长规律。
- The single-chip function generator ICL8038 can get synchronous sine wave of constant amplitude in PLL as voltage control oscillation(VCO), which is a basic signal source of static frequency converter. 单片函数发生器ICL8038在PLL中作为压控振荡器(VCO)产生同步等幅正弦波,可作为静止变频器的基准信号源。