1) D/S converting
D/S变换
2) S/D converting
S/D变换
3) A/D and D/A Transforming
A/D和D/A变换
4) D/A transducer
D/A变换器
1.
Using coder,D/A transducer and frequency converting speed regulator makes up the automatic control system of rope machine's wire ranging apparatus.
利用编码器、D/A变换器、变频调速装置 ,构成制绳机排线自动控制系统 ,将原间歇位移随动控制系统改为连续位移自动控制系统 ,可以解决制绳机钢丝绳收线排布不均的问
5) d-q transformation
d-q变换
1.
The inductive parameters and models in the d-q circuit are derived firstly in the paper by a unified expression for calculating inductances of AC machines and double d-q transformations respectively.
本文首先借助电感参数统一计算公式和双d-q变换,求得了双绕组同步电机众多电感参数的表达式和d-q轴等效模型,取得与文献相同的结论。
2.
By use of d-q transformation, in this control method a three phase AC system is transformed into rotating orthogonal coordinate system and under the transformed coordinate system the compensating current of active power filter is controlled by PI controller to make it trace the reference current.
该控制方法利用d-q变换将三相交流系统变换到旋转的正交坐标系,采用比例积分调节器控制有源电力滤波器的补偿电流,使其跟踪参考电流。
3.
A method of harmonic and reactive currents detection based on d-q coordinates transformation for three-phase voltage and current is proposed, which separates the responding components after d-q transformation to realize the current detection.
该方法通过对三相电压与电流进行d-q变换后对相应的分量进行分离的方法实现对谐波与无功电流的检测。
6) A/D conversion
A/D变换
1.
The paper presents the circuit design for the very narrow pulse power detection and display based on A/D conversion and CPLD, gives out practical examples of the power detection and display for the very narrow pulse transmitting of a radar system.
介绍一种基于 A/D变换与 CPLD的脉冲功率检测及显示电路设计 ,并给出雷达系统极窄脉冲发射功率检测显示的应用实例 ,此电路也可进行连续波功率检测与显
补充资料:Abel变换
Abel变换
Abel transformation
Abel变换【Abel tral招翻.峭.;旅几,畔吻a3二朋阎,分部求和法(s ulnmation by PartS) 变换 NN一1 艺a*bk=a、B、一a,B。一艺B、(a*+、一a*), k=Ik=l其中数ak,瓦是给定的,B0是任意选取的,而 Bk=B*一+b、=Bo+b一+:二+b*, k“l,…,N.Abel变换是分部积分法(integration by Parts)公式在离散情况下的对应公式. 如果a二~0且序列{B*}是有界的,则Abel变换可应用于级数 艺a*b*=艺(a*一口*、,)B*一a,刀。卜 人二[k二l应用Abel变换可以证明数项级数和函数项级数的几个收敛性准则(见A加l准则(A悦1币terion)).一个级数经过Abel变换往往可以得到另一个其和相同、收敛性更好的级数.此外,应用Abel变换通常可以得到某些估计(见Abel不等式(Abel inequahty)),特别是用来研究级数的收敛速度.这种变换是N.H.周比1引人的([l】).
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