1) vector diagram of modulated tube
调制管矢量图
2) Vector modulation
矢量调制
1.
For the purposes of motor of a tank gun driving system,the traditional DTC and improved DTC were used to carry out simulation research,and the comparison results showed that the direct torque control method of tank gun driving system based on vector modulation can significantly improve speed and torque effectiveness of tank gun regulating system.
针对某型坦克炮控调速系统所用电机,分别利用基本型DTC和改进型DTC控制进行仿真研究,比较结果表明,基于电压矢量调制的直接转矩控制方法对坦克火炮调速系统的转矩和转速控制具有明显的改进效果。
2.
Under this condition it was possible to control the machine with field-oriented techniques and realized the stator current vector modulation to keep stator MMF round.
再用转子磁场定向矢量控制的方法建立电机的数学模型,讨论为保持定子的圆形旋转磁势而采用定子电流矢量调制的方法,最后进行仿真验证。
3.
In the course of broadening the signal simulation instantaneous bandwidth by using digital vector modulation technology,the frequency-conversion channel mismatch on digital vector modulation can badly worsen mirror frequency and LO suppression parameter.
在利用数字矢量调制技术实现信号模拟瞬时带宽拓展过程中,数字矢量调制上变频通道的失配会严重恶化变频通道镜频和本振抑制指标。
3) modulation vector
调制矢量
1.
The concept of modulation vector was introduced based on in-depth analysis of the virtual inverter and virtual rectifier space vector modulation(SVM),and a novel implementation method for indirect SVM of MC was proposed.
在深入分析虚拟逆变器及整流器的空间矢量调制策略基础上,引入调制矢量的概念,提出一种新颖的矩阵变换器间接空间矢量调制实现方案。
4) vectorgraph charting
矢量图绘制
5) Vector modulation method
矢量调制法
1.
Based on VMM (vector modulation method) principle, this paper presents a scheme for North Seeker with its particular physical implementation methods and calculation principal explained.
基于矢量调制法原理,介绍了一套寻北仪设计方案,并详细叙述了该仪器的物理实现方法和算法原理。
6) vector modulator
矢量调制器
1.
This paper introduces the operational principle, the typical modulator circuit and the active control components of I Q vector modulator.
介绍了I Q矢量调制器的工作原理、典型调制电路及控制部件的概念 ,并叙述了其在噪声干扰模拟器中的具体应
2.
Recently the demand of high performance,low cost vector modulators for millimeter-wave direct carrier modulation applications is increasing.
矢量调制器芯片作为一种可以直接对载波同时进行幅度和相位调制的新型电路,是目前毫米波通信和雷达系统中的一个研究热点。
3.
In order to analysis the performance of the vector modulator impacting on the cancellation performance of the interference canceller,the paper researches its performance based on measure its amplitude and phase.
为了分析矢量调制器对干扰抵消器性能的影响,基于测量矢量调制器幅度相位的方法研究了其特性。
补充资料：伯格斯矢量
分子式：
CAS号：
性质：是位错尺寸的量度。当位错在晶体内滑动时，原子沿着某一特定的方向相对于其邻近原子切变了某一特定的距离，表示这种原子位移的矢量定义为位错的伯格斯矢量。对螺型位错，位错线平行于伯格斯矢量；对刃型位错，位错线垂直于伯格斯矢量；对于混合型位错，位错线斜交于伯格斯矢量。
CAS号：
性质：是位错尺寸的量度。当位错在晶体内滑动时，原子沿着某一特定的方向相对于其邻近原子切变了某一特定的距离，表示这种原子位移的矢量定义为位错的伯格斯矢量。对螺型位错，位错线平行于伯格斯矢量；对刃型位错，位错线垂直于伯格斯矢量；对于混合型位错，位错线斜交于伯格斯矢量。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条