The' main factors resulting in local frequency tracking error are analyzed based on the principles of the tracking local oscillator for frequency agile radars of rotary tuning magnetron type.
本文从旋转变频磁控管式频率捷变雷达的本振频率跟踪原理出发,分析了产生本振频率跟踪误差的主要因素。
Projection of force size, in the control panel on the appropriate frequency converter keyboard Rotary few adjustments.
投射力量之大小,可在控制面板上的变频器键盘调整适当的回转数。
In the research of phase information of rotary mechanism, comparatively phase is extracted from multiple frequency phase as diagnosing feature.
通过对旋转机械相位信息的研究,提出从倍频相位中提取相对时相作为诊断特征量。
The theoretical derivation shows that the vibro-rotary forging efficiency is directly proportional to the vibration frequency and feedrate and higher than that of longitudinal vibration forging.
通过本文的理论推导表明,扭转振动摆动辗压的效率与振动频率和进给速度成正比,扭转振动摆动辗压成形的成形效率比纵向振动摆动辗压成形的成形效率高。
The diagnosis parameter setting circuit is used to set up collection times N, failure warning valve value and rotary shaft gyro frequency of the machinery needing test.
诊断参数设定电路用于设置采集次数N、故障报警阀值和待测机械的旋转轴的旋转频率;
The incremental magnetic rotary encoder, as a corner position sensor, can be improved its measure accuracy by the way of quadruplicated frequency circuit.
增量式磁旋转编码器作为转角位置传感器,可以用四倍频的方法提高其测量精度。
The result also denotes the shearing deformation and rotary inertia of the beam have significant effect on the high frequency.
当考虑梁的剪切变形和转动惯量时,则对梁的高阶频率影响较大。
To study the influence of rotary inertia on gear flowmeter natural frequency, keep damping and leakage coefficient as constant.
结果表明:与增大泄漏系数、阻尼系数相比,减小转动惯量可以明显的提高流量计的频率响应。
Tilt pouring devices and rotary rapid crystallization device operation control is the use of digitally controlled frequency control system to automatically adjust.
倾转浇注装置和旋转式快速结晶装置的运行控制是利用数控式变频调速系统自动调节。
PID control is used on the speed control by frequency variation and the temperature pressure control of the Chain gate machine-rotary kiln of the system.
本系统的回转窑直流调速、变频调速以及温度压力控制都采用了数字PID控制。
Secondly, the relationship between rotary inertia coefficient, torsional stiffness, transmission gearbox and torsional vibration frequency is analyzed on the basis of the design model.
其次,在双质量飞轮设计模型的基础上,分析了双质量飞轮转动惯量系数、扭转刚度、变速器与系统扭振频率的关系。
Crack size, hammer stroke frequency and rotary speed influence the drilling string fatigue life involve, in which the crack size and stroke frequency were two major factors.
影响钻柱疲劳寿命的因素包括钻柱裂纹尺寸、空气锤冲击频率、转盘转速等,而空气锤冲击频率与裂纹尺寸是影响钻柱疲劳寿命的两大主要因素。
Crack size, hammer stroke frequency and rotary speed influence the drilling string fatigue life involve, in which the crack size and stroke frequency were two major factors.
影响钻柱疲劳寿命的因素包括钻柱裂纹尺寸、空气锤冲击频率、转盘转速等,而空气锤冲击频率与裂纹尺寸是影响钻柱疲劳寿命的两大主要因素。
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