directivity diagram 是什么意思

directivity diagram的中文意思是: 方向图

directivity diagram例句大全

  1. Computer-aided selection of Optimum Parameters for Horizontal Directivity Diagram of UHF Dipole Antenna

    UHF偶极子天线阵水平方向图最佳参数的选择

  2. smart antenna can efficiently strengthen useful signal, decrease interference and form the optimum directivity

    结果表明,智能天线可以有效增强有用信号,降低干扰,从而形成最优的方向图。

  3. Directivity test technology and directivity sharpening of fiber-optical vector hydrophone

    光纤矢量水听器指向性测试及锐化技术

  4. The definition of directivity factor, directivity index & equation are introduced firstly.

    介绍了指向性因数和指向性指数的定义、计算式。

  5. Influence from ground Attenuation, Screening, Reflection, Directivity Index.

    地面衰减,屏蔽,反射,指向性指数的影响。

  6. Balloon directivity pattern s are stable over repetitions .

    在重复测量中显示其指向性很稳定。

  7. correction for the Directivity of beam Width in Bathymetry

    海洋测深波束角效应改正的方向问题研究

  8. Broadband technique of fast measuring directional coupler directivity

    快速测量定向耦合器方向性的宽带技术

  9. The results display that harmonic directivity is superior to the fundamental directivity when they have

    计算结果显示当基波与高次谐波在边界上拥有相同的声压幅值时,其谐波声场的指向性明显优于基波声场,谐波声场的存在可以改善超声波的指向性,使合成声场具有良好的指向性。

  10. design of array Model with Intense Directivity and Sound Field Simulation

    一种强指向性基阵模型的设计及声场仿真

  11. A way to widen the directivity of protuberant spherical piezoelectric transducer

    一种拓宽凸球面压电换能器指向性的方法

  12. The directivity of curvili near dipole is analysed by the basic principle of antenna array, the relationship

    本文利用天线阵基本原理近似分析了曲线振子的方向性系数,得到了方向性系数随曲线振子长度的变化关系,为曲线振子天线的进一步研究及设计提供参考。

  13. A transducer with large directivity and high transmitting sensitivity

    具有大指向性开角及高发射电压响应的发射换能器

  14. The Influence of Dimensional Parameters of Li near Phased Array Transducer on Beam Directivity

    超声相控线阵探头线列参数对波束指向性的影响

  15. Design of Microphone Directivity Measurement System Based on Virtual Instrument

    基于虚拟仪器的传声器指向性测量系统

  16. Why is it necessary to explain the directivity of thoughts and provide clues?

    为什么让别人感受到,为什么会有自我的思维指向和线索?

  17. The rupture directivity effect is due to rupture propagation and radiation pattern effects.

    破裂方向效应是由破裂传播和辐射图效应引起的。

  18. The Design of Microstrip Directional Coupler with Automatic Directivity Tuning automatic frequency control

    带自动方向性调节的微带定向耦合器的设计自动频率调整变压器

  19. The higher the acoustic frequency is, the stronger its directivity is.

    而且所有声频均有指向性,声频愈高,指向性愈强。

  20. Directivity Effect of near -fault ground Motion and Super-shear rupture

    近断层地震动方向性效应及超剪切破裂研究

  21. Measurement of the directivity factor of a non-rotational symmetry electroacoustic device

    非旋转对称电声器件的指向性因子测量

  22. Directivity Of The Vector Hydrophone And The Technique Of Dealing With Signal

    矢量传感器的指向性及其信号处理技术研究

  23. Gain matrixes for Coates diagram and improved Coates diagram

    COATES图和改进的COATES图的增益矩阵

  24. Directivity of songs in black cicada ( c.atrata fabricius. ) and function of third spiracle

    黑蝉(C.atrataFabricius.)鸣声的方向性和第三气门的功能

  25. The design and realization of projecting transducer directivity pattern field-testing instrument

    发射换能器指向性现场测试仪的设计与实现

  26. Based on the theory of F-P resonator, high directivity antenna arrays with superstate are studied.

    基于F-P谐振腔理论对加载覆层的高增益阵列天线进行了研究。

  27. It gives system Program Flow chart and Data Flow Diagram and Structured Design Diagram and UML modeling

    并给出了系统的流程图、数据流图、系统设计的结构图和UML图。

  28. A metal back ground decreases backward radiation and increases the directivity and gain of the antenna

    金属背景减小了天线的后向辐射,增强了天线的方向性,并提高了增益。

  29. The system equations are numerically integrated, the results of which contain phase diagram, Poincare

    采用数值方法得到转子系统在不同转速和径向游隙下的相图、庞加莱图、频谱图和分岔图等。

  30. simulated results show that the directivity and the gain of the array are improved.

    模拟结果表明,天线阵的方向性以及增益都得到了加强。

  31. rupture directivity and hanging wall effect in near field strong ground motion simulation

    近场强地震动模拟中对破裂的方向性效应和上盘效应的表达

  32. A analytical model was established for automatic solid warehouse management system, included user diagram

    建立了自动化立体仓库管理系统的分析模型,并给出部分用例图、类图以及交互图。

  33. Electric products shall be attached with the circuit diagram and schematic diagram ;

    电器产品,应附有线路图和原理图;

  34. Probe into the Mixed Teaching Mode of Mechanical Diagram and Computer Diagram

    机械制图与计算机绘图融合式教学模式的探讨

  35. To Test the Validity of Syllogism by Set Diagram & and also on the Comparison between Set Diagram and

    用集合图形法检验三段论式有效性&兼论集合图形法与文恩图法的比较

  36. Hardware and software designs, systemic frame diagram, logic diagram of micro computer system and control

    探讨了系统的硬件和软件设计,绘出了系统框图、微机系统逻辑图及控制软件框图。

  37. For dip-slip faults, there are two prominent effects: the rupture directivity effect and hanging wall

    对于倾滑断层,有两个显著的效应,即破裂方向效应和上盘效应。

  38. Directivity of the Bowed Stringed Instruments and Its Effect on Orchestral Sound in Concert Halls

    弦乐器的指向性及其在音乐厅中对管弦乐音响的效应

  39. The structure diagram and software flow diagram of the system was given out.

    同时给出了系统的结构框图和软件流程图。

  40. This paper briefly introduces universal structural principle of the thermodynamics diagram, demonstrated

    本文对热力学图解的一般构造原则作了简单介绍,证明了温熵图与PV图的等价性,并对Tlnp图的构造方法作了扼要说明。