This paper discusses a minimum of parameters to determine the trajectory of a circular interpolation method and the method of frequency control stepper motor.
文中讨论了一种以最少参数确定一条圆弧轨迹的插补方法和步进电机变频调速的方法。
Effects of the radius of circular pipe and frequency on the inclusion removal efficiency were ascertained for each case.
对圆管半径、电磁场频率等参数对去除效率的影响作了分析阐述。
Through comparison, it shows that at the same value of frequency and size, the far field of hexagonal piston is more uniform than that of circular piston.
结果表明，与圆形、方形活塞的辐射远场相比，在声波频率、活塞面积相同条件下，六边形活塞声源的辐射远场相对比较均匀。
When frequency is comparatively high, circular tunnel, rectangular tunnel and arched tunnel have same formulation of attenuation rate.
当频率较高时，圆形隧道、矩形隧道和拱形隧道的衰减率表达式是一致的；
In this paper, resonant frequency of the deformed circular microstrip antennas is investigated based on variational principle and the perturbation concept.
本文用变分法并结合微扰理论分析了一种变形圆贴片宽频带微带天线的谐振频率。
Compared to rectangular and circular patch antenna loaded with a shorting pin, triangular patch antenna loaded with a shorting pin has lower resonant frequency.
与短路针加载矩形和圆形贴片天线相比，短路针加载三角形贴片天线具有更低的谐振频率。
Based on reconstruction of low frequency reduction furnace 'cooling water circular system, arrived at the effect of water saving and gained economic benefits.
通过对工频炉冷却水循环系统的改造，达到了节水的效果，取得了一定的经济效益。
Doppler effect can be demonstrated by manufactured device when the sound source is in circular motion. The frequency spectrum is gained with chart spectrum analysis software.
利用自制装置演示了声源作圆周运动的多普勒效应，并应用图谱分析软件得到频率分布图。
This paper investigates the benefit of mutual coupling compensation in a novel smart antenna circular array at 3G-communication system frequency.
本文研究了一种新型圆形智能天线阵在3G通信系统所在频段的互耦补偿。
It recommends the application of PLC and frequency converter in Circular Saw feeding control system, analyzes the system control scheme and the structure design of software.
介绍PLC和变频器在圆锯变频进给控制系统中的应用，并分析系统控制方案及软件结构设计。
Therefore, supergain hydrophone array, particularly the small-sized circular array, is very good for improving the detection performance of low frequency passive sonar.
由于超增益阵具有尺度小、空间增益高的特点，对于改进低频被动声纳的检测性能具有重要的意义。
This paper presents a new method for designing a dual-frequency patch antenna with circular and linear polarizations.
提出了一种同时具有圆极化和线极化的双频新型开槽微带天线的设计方法。
Based on uniform circular array and its elements output signal delay, a novel method for estimation of spatial frequency, azimuth and elevation is presented.
本文基于圆阵列及其输出时延提出了一种空间信号频率、方位角和仰角的联合参数估计新方法。
Investigates the problems of joint 2-d angular and frequency estimation based on uniform circular array (UCA).
研究均匀圆形阵列的联合二维角度-频率估计问题。
The results of experiment show that the servo method can meet the requirement of non circular cutting system for high frequency, high accuracy and robustness performances.
实验结果表明：该方法能够满足非圆数控车削系统高频响、高精度和强鲁棒性的要求。
The flexural vibration of a circular ring that is of axis symmetry is analyzed and calculated, the solid frequency expression of the flexural vibration is obtained.
对一类轴对称圆环的面内弯曲振动进行了分析计算，给出了圆环面内弯曲振动固有频率表达式。
The method of counting for circular ring objects in frequency domain is proposed.
研究了用频域法实现圆环形目标物计数的方法。
The circular region F-norms in low frequency band of wavelet transform is used as color feature of the image and the energy ratio of high frequency band is used to form texture descriptor.
颜色特征采用整数小波低频系数矩阵中环形区域的F -范数，纹理特征则采用高频部分的能量比值。
A two layer electromagnetic coupled circular patch microstrip antenna is adopted to widen the frequency band of the antenna.
为了展宽天线的带宽，采用双层圆形贴片电磁耦合天线。
It finds that there is a constant multiplied by frequency which is equal to the kinetic energy, when a charged particle does circular motion for the centripetal force product by the charge group.
发现带电粒子以电荷群的作用力为向心力做圆周运动时，有一常数乘以频率等于带电粒子的动能。
Based on theoretical analysis of stepped bending vibration boring bars, the frequency equation of a stepped bending vibration boring bar with circular and square sections is established.
通过对阶梯式弯曲振动镗刀杆的理论分析，推导出了圆形截面和矩形截面组合的阶梯弯曲振动镗刀杆的频率方程，并对阶梯弯曲振动镗刀杆进行了试验研究。
The vortex shedding frequency spectrum characteristics on a heated circular cylinder in water cross flow was investigated experimentally.
本研究对水平液体绕流热圆柱体的旋涡脱落特性进行了研究。
The vortex shedding frequency spectrum characteristics on a heated circular cylinder in water cross flow was investigated experimentally.
本研究对水平液体绕流热圆柱体的旋涡脱落特性进行了研究。
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