Use high speed oscillation cobbra , ensure all parts of products have same strength during oscillation , prolong tester lifespan, decline failure rate.
采用高速振动头同步振动,保证在振动时各部位的产品受到的力的情况一致,并延长试验机的寿命及故障率的降低。
From compaction temperature, compaction speed and times, oscillation frequency, amplitude as well as mixture performance etc, the paper expounds enhancing the compaction quality of asphalt pavement.
就提高沥青路面压实质量问题,从碾压温度、压实速度与遍数、振频与振幅及混合料特性几个方面进行了阐述。
This algorithm can not only accelerate the convergent speed and remove the numerical oscillation, but also apply to many kinds of changeful boundary conditions.
该算法能够加速收敛、消除数值振荡,且与实测结果相当吻合,适用于复杂多变边界条件下土体的冻胀计算。
The flow-induced self-sustaining oscillation and standing wave resonance of protruding and trap cavities are studied at the low speed range.
本文研究了低流速范围内突出式和陷落式圆柱形腔的流激自持振荡和驻波共振问题。
The simulation results showed that the new algorithm could control the local minimum, avoid the oscillation, and quicken the convergence speed of blind equalization procession.
仿真结果表明,该算法可有效抑制网络陷入局部极小,防止振荡,加快盲均衡器的收敛速度。
In the previous studies, Central oscillation, asymmetry of left and right movement and insufficient precise and speed of response are the main problems of electro-hydraulic servo control unit.
在以往的研究过程中,主要发现电液伺服控制单元在零位时存在振动,左右行程不对称,精度和快速性达不到使用要求的问题。
The flow induced oscillation in a cavity exposed to external high speed flow and its suppression by means of sound excitation at the leading edge of the cavity are experimentally studied.
实验研究了矩形空腔在外部高速气流作用下诱导的空腔内流动振荡问题,以及从空腔前缘加入纯音声激励以抑制空腔内流动振荡的技术。
According to the frequent oscillation of high-speed axle of speed increasing box, the gear strength is checked.
针对生产中增速箱的高速轴振动频繁现象,对其齿轮强度进行了校核。
In order to study dynamic stall phenomena of an aircraft in portrait at a high Angle of attack, designing a measuring device of heave oscillation for a low speed wind tunnel.
为了研究飞行器在纵向大迎角状态下的动态失速现象,设计了一套用于低速风洞的升沉振动测量装置。
This control method has the advantages of producing minimum level oscillation, and of maximum response speed of the channel water mass to discharge change.
这一控制法产生的水位波动最小,并使渠内水体对流量的变化有最快的反应速度。
The test proves that the caudal fin oscillation frequency, the maximum amplitude of vibration of caudal fin, the caudal fin strikes the water angle influence the fish's speed;
加减速试验论证了尾鳍摆动频率、尾鳍后缘最大摆幅以及尾鳍的最大击水角度对鱼体速度的影响;
The non-sinuous oscillation of the mold is used to reduce the mold friction force and stick type breakout, and to lower the oscillation frequency for high speed casting.
应用结晶器非正弦振动技术可以降低结晶器摩擦阻力,减少粘结性漏钢,同时大幅度降低高拉速时的结晶器振动频率。
As high speed operation amplifier AD713 is example, self-excited oscillation is tested, phase compensate network is offered and the result is stable.
文中针对一种高速运算放大器ad713的自激进行了测试,并且通过相位滞后补偿网络消除自激振荡,工作稳定。
Nonsinusoidal oscillation of continuous casting mold is one of the key technologies for high speed casting with high quality.
结晶器非正弦振动是实施高拉速连铸和提高铸坯质量的关键技术。
The traditional PSS use the local signal such as the generator electromagnetism power or shaft speed as its input to restrain low frequency oscillation.
传统的PSS使用本地可测量的发电机电磁功率、转速等作为输入信号以抑制低频振荡。
The low power consumption digital true random source comprises a high speed random oscillator signal generator, an alternative oscillation stop control unit, a clock generator and a sampling unit.
它包括高速随机振荡信号发生器、交错停振控制单元、时钟发生器和采样单元。
A simple expression for calculating the critical wind speed to excite the galloping oscillation of the structure was formulated, and exemplified by calculations.
提出了一个新的求弛振的临界风速计算的简便公式,并给出了算例。
A simple expression for calculating the critical wind speed to excite the galloping oscillation of the structure was formulated, and exemplified by calculations.
提出了一个新的求弛振的临界风速计算的简便公式,并给出了算例。
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