2) virtual frequency sweeper
虚拟扫频仪
1.
This paper introduced the design and development of a virtual frequency sweeper based on DDS technology.
介绍了基于DDS技术的虚拟扫频仪的硬件与软件设计,并详述了DDS技术以及用该技术实现扫频信号源的方法。
3) virtual platform
虚拟平台
1.
The paper built up the virtual platform of the vibration isolation system of diesel engine and carried out modal analysis of the system,simulated the instance of horizontal swayed situation accord- ing to GJB standard,and analyzed the response of the system under the shock.
建立柴油机隔振系统虚拟平台模型。
2.
The EWB virtual platform is a sort of software used specially in the design and emulation of electric circuit.
EWB虚拟平台是专用于电路设计与仿真的软件,他不仅可以通过虚拟仪器对电路进行仿真,也可以不使用虚拟仪器对电路进行高级分析以达到同样的效果,通过共射极放大器实验来了解EWB的部分高级分析的使用方法,在这虚拟环境中完成电子技术实验不仅节约时间、加深对知识理解,也为电路设计提供了理论依据。
3.
According to the common problems existing in the design process of embedded system such as lack of support for systemic simulation, less methods for hardware description, inferior transplantable of simulation system, an embedded system virtual platform based on flexible bus was proposed and implemented.
针对嵌入系统设计过程中普遍存在系统级仿真支持不够、硬件描述手段缺乏、仿真系统可移植性差等问题,提出并实现了一种基于柔性总线的嵌入系统虚拟平台。
4) virtual moving
虚拟平移
1.
Two approaches called virtual moving-cyclic autocorrelation(VM-CAC) and virtual moving-cyclic crosscorrelation(VM-CCC) based on conjugate cyclic multiple signal classification(MUSIC) is proposed for a uniform linear array.
结合虚拟平移技术,提出了虚拟平移循环自相关和虚拟平移循环互相关2种算法,该算法能克服循环多重信号分类及空间平滑类算法的不足,在不影响阵列孔径的情况下,使阵列可估计的相干期望信源数目达到M-1(M为阵元数)。
5) virtual digital scanner
虚拟数字扫频仪
6) dummy electric micro-scanning
虚拟电子微扫描
1.
Based on the discussing of the techniques for enhancing the space resolution of the IR FPA system, the adaptive dummy electric micro-scanning technique is given.
在分析微位移法评价空间抽样效应理论的基础上 ,分析为改善红外焦平面器件系统空间分辨率不够高所采取系列措施的优缺点 ,并提出了一种能有效实现焦平面像素倍增的自适应虚拟电子微扫描技术 ,该方法能在像素倍增的同时有效地实现大边缘的增强 ,防止边缘模糊与锯齿效应 ,实验证明该方法效果良好。
补充资料：虚拟
1.设想;虚构。
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