quasi open mapping

In consideration of the problem of low efficient development of conventional heavy oil in Bohai Oilfield, a virtual development technique is proposed to guide the creation of overall development schemes for undeveloped oilfields and adjust of developed oilfield.

针对渤海常规稠油油田开发效益较低的问题,提出应用虚拟开发技术来指导未开发油田的总体开发方案编制和已开发油田的调整。

The paper mainly deals with the approaches of expanding the oscilloscope functions with analog switches,and the ways in upgrading the single signal oscilloscope into multi-signal oscilloscope.

本文主要说明如何用模拟开关扩展示波器的功能,及将单踪示波器变为多踪示波器。

In this paper the change of analog switches parameter and its influence on the precisions of micro-quartz tuning fork gyroscope is discussed.

电子元件的参数变化是影响微石英音叉陀螺精度的重要原因之一,该文论述了模拟开关参数变化对陀螺精度的影响,提出了一种新的相敏解调法及相敏解调电路,进行了与常规方法的对比试验,列举了两种方法的陀螺的零位偏置变化、零位稳定性、标度因数温度灵敏度及非线性度等指标的测量数据。

A novel cascading included dummy switch compensation structure is put forward.

讨论了采用砷化镓场效应管对改进开关电流电路高频性能作用,采用砷化镓技术设计了电流镜电路,对电路主要的时钟匮入、电荷注入以及输出电导效应造成的误差原理及其补偿进行了分析,提出了一种新的包含共栅级联与虚拟开关技术的电流镜结构,工作频率可达到50MHz。

The relationship of q-open sets to semi-open and pre-open sets;

拟开集同半开集和准开集的关系

Selecting and using analog switch as linear-gate;

线性门对模拟开关的选择与应用

The Design of an Analog Switch with Low On-state Resistance;

一种低导通电阻模拟开关的设计

A novel phase synchronously demodulating circuit was introduced in this paper,in which digital controlled analog switch and high power amplifier were adopted.

介绍了一种采用数控模拟开关和大功率运放的角度位置信号同步相敏解调电路。