| 1. | Resonant characteristics of a trapezoid meander line monopole antenna 梯形弯折线单极子天线的谐振特性 |
| 2. | Investigation on bending resonance properties of functionally gradient piezoelectric ceramics actuator 梯度功能压电陶瓷驱动器的弯曲谐振特性研究 |
| 3. | In this paper , resonant characteristics of the meander - line dipole antenna depended on times of meanders , the height of meanders and the angle of meanders are analyzed 摘要本文研究了由矩形弯折线构成的偶极子天线的谐振特性,分析了弯折线偶极子天线的弯折次数、矩形弯折的高度以及弯折角度等参数对天线谐振特性的影响。 |
| 4. | Solving maxwell ’ s equations for the resonances of a closed cavity is important in understanding and controlling the operation of many devices , including particle accelerators , microwave filters 金属谐振腔的谐振特性和场分布可由麦克斯韦方程组结合边界条件求解,知道腔体内的场分布对于更好的了解和控制各种谐振装置是非常重要的。 |
| 5. | It can make the analysis report on the basis of the abstract nation standard . based practical analog analysis in some partial power net , obtain the harmonic oscillation characteristic curve , and verify the software is right 通过对某局域电网的实例仿真分析,结果表明,获得了谐波谐振特性曲线,还根据实际测试数据,恢复了电网实际电压电流波形,验证了软件的正确性。 |
| 6. | It is demonstrated that changing parameters of the dipole antenna is an effective method to adjust its resonant characteristics ; the good reduced size can be achieved by properly altering its parameters ; and the meander - line dipole antenna are suitable for the application as rfid tag antenna 结果表明,弯折线偶极子天线的参数改变对天线谐振特性有较强的调节作用,适当的改变天线的参数可以获得较好的天线尺寸缩减特性,适合rfid标签天线的应用。 |
| 7. | But , the measured - data is a very great quantity and every data contain all data of 1 - 25 harmonic , measured time can have hours to days . the count by hand is very heavy and over - elaborate , sometimes the statistics results is error . it won " t reach the analysis purpose and don " t obtain the curve of harmonic oscillation characteristic in a row frequency range 可是,测试数据经常是大量的,每一组数据又包含从基波到25次谐波的所有数据,测试时间可能是几个小时,有的甚至是几天时间,这样的工作量由人工完成是非常繁重的,又是非常繁琐的,有时还统计不出正确的数值,起不到应有的测试分析目的,更无法获得连续频域内的谐波谐振特性曲线。 |
| 8. | This thesis first introduces the basic theory used in fog , and then analyses the resonator - one of the key parts . this analysis illustrates the output character under certain laser frequency width . the output character is converted into lorentz function form considering the laser frequency width 本文首先介绍了谐振式光纤陀螺的基本原理,对其关键器件- - -谐振腔的谐振特性做了分析,重点分析了在激光器频宽一定的条件下谐振腔的输出特性,并最终将其转化为包含了激光器频宽的洛伦兹函数形式。 |
| 9. | The core of the piezoelectric ultrasonic motor , piezoelectric ceramic is systematically researched . based on the piezoelectric effect , the piezoelectric equations are derived . from the piezoelectric equations , the important parameter of the piezoelectric ceramic ' s physical performance and the system equations of the vibrator are derived 深入地研究了超声波马达的核心元件? ?压电陶瓷,从压电效应着手,推导了压电方程,得到了描述压电材料物理特性的几个重要参数,并导出了压电振子及压电陶瓷的系统方程,论述了压电振子的振动模态及谐振特性。 |
| 10. | To study the resonant characteristics of eccentric circular and concentric circular - elliptical ring microstrip antennas , the method , which is connected with the concentric ring microstrip antenna and based on the perturbation , is employed to calculate resonant wave numbers . comparisons of calculations with reference for the fundamental mode are also presented , agreement is very good for small eccentricity 为研究偏心圆环及同心圆-椭圆环微带天线的谐振特性,运用了一种以对同心圆环微扰为基础的计算方法,计算的谐振波数值与参考文献作了比较,在小偏心率的情况下,一致性很好。 |