The filled circle represents the starting point of the activity diagram, effectively a placeholder, and the filled circle with a border represents the ending point. 实心圆表示活动图的起点,实际上是一个占位符,带边框的实心圆表示终点。
This paper introduces the method of obtaining the performance characteristic of the asynchronous motor with circle diagram by use of microcomputer. 本文介绍了一种应用微型计算机,由圆图求取异步电动机工作特性的方法。
Drag onto the page to add a circle spoke diagram. Right-click to change number of circles. 拖到绘图页后,可以添加中心辐射图。右击可以更改圆形数目。
Circle Diagram of Power System user facilities 电力用户功率圆图
Fauit Diagnosis of Transmission Line with Circle Diagram method 输电线的圆图法故障诊断
The electro acoustical efficiency of two ultrasonic vibration sysytems used for cleaning and welding are measured by using admittance circle diagram and resonance admittance calculation method in the paper. 本文用导纳圆图法和谐振导纳计算法,分别对用于超声清洗和塑料焊接的两个振动系统的电声效率进行了测量。
An equation of the electric power of a load and its corresponding circle diagram are introduced. 本文导出工厂变电所由高压电网供给的功率方程式,并绘成功率圆图。
In this paper a new method named Circle Diagram Analysis is presented which could be used as a practical analytical tool between DFT and FFT, and makes the above mentioned analyses more concise. 本文提出的圆图分析法可作为离散型富氏变换(DFT)与快速富氏变换(FFT)之间的一个实用分析工具,且分析简明扼要。
Comparing with the conventional algebraic method, with Circle Diagram Analysis it is easier to obtain and understand some conclusions of Fourier algorithm, for example, the phase and the amplitude of a certain order harmonic. 与代数方法相比较,采用圆图分析法更容易得出和理解富立叶算法的一些结论,如可一次求出某次谐波的幅值与相位。
Operation Circle Diagram of Ultra-high Voltage Long distance Transmission Line with the Constant Power Factor of Its End 超高压长线在末端恒功率因数下的运行圆图
This paper analyses the physical implication of energy conversion during the deceleration process of the inverter driven motor, by means of the circle diagram concept of induction motors. The design method of the circuits of the brake unit is derived in relation to practical considerations. 本文利用异步电机圆图概念,分析变频器驱动电机在减速过程中有关能量转换的物理意义,并结合实际对制动单元电路的设计方法作了阐述。
Circle diagram analysis for Fourier algorithm 富立叶算法的圆图分析法
Measurement of em_2 parameters r'_b, r'_e and τ_f of bipolar transistor by circle diagram method 阻抗圆图法测量双极型晶体管EM2模型参数r′b,r′e及τF
With the ellipse field being transformed into circle field, this paper presents a mathematical description of the Fraunhofer diffraction diagram in an ellipse aperture with the method of treating the circle diffraction problems. 将椭圆域变换成圆域,从而借助于圆孔衍射问题的处理方法,给出了椭圆孔上的Fraunhofer衍射图样的数学描述。
Using Circle Diagram Analysis, the following conclusion can be obtained: To filtrate an integral order harmonic the sampling frequency must be the integral multiples of 4. 利用圆图分析法可得出采样频率需为4的整数倍才可滤除整次谐波的结论。
Measuring transducer impedance characteristic by admittance circle diagram will be very accuracy. Therefore, currently, this method is applied in most of the ultrasonic transducer impedance analyzer in science research and engineering field. 导纳圆图法测量换能器的阻抗特性可达很高精度,所以目前科研与工程领域应用的绝大部分超声换能器阻抗分析仪是采用了此方法。
Results show that the circle prefix which has arbitrary length can increase the quality of received eye diagram and improve the dispersion tolerance. The power equalization has been used to eliminate the performance differences of channels. 仿真结果表明,循环前缀的插入提高了眼图的性能、改善了色散容限;针对不同子载波进行功率均衡能够有效减小信道间的性能差异。
Measurement about the impedance parameters of ultrasonic transducer is an important content in the transducer measurement. There are two main methods to measure the impedance characteristic parameters of transducer: transmission line method and the admittance circle diagram. 超声换能器的阻抗性能参数测定是换能器性能测量中的一个重要内容,换能器阻抗特性参数的测量主要有传输线路法和导纳圆图法两种。
But the object relation diagram only considers the static structure of software, did not show the dynamic structure. And the existing circle damage algorithm based on object relation diagram has deficiencies and areas for improvement. 但基于对象关系图的测试研究只考虑软件的静态结构,未对动态结构进行展现,而且已有的对象关系图环路破坏算法存在不足和需要改进的地方,论文都将对此进行改进。