搜索结果: 1-11 共查到“工学 capacitance”相关记录11条 . 查询时间(0.008 秒)
Physics based analytical modeling of Gallium Arsenide MESFET for evaluation of junction capacitance with new modeling conception
Modeling gaas mesfets leakage current the drain-source voltage voltage current voltage characteristic
2014/12/31
In this project, an analytical modeling of Gallium Arsenide MESFET has been reported. The model has been developed to obtain the drain current versus drain-source voltage for different gate-source vol...
Wide-band current preamplifier for conductance measurements with large input capacitance
Wide-band current preamplifier conductance measurements large input capacitance
2012/4/20
A wide-band current preamplifier based on a composite operational amplifier is proposed. It has been shown that the bandwidth of the preamplifier can be significantly increased by enhancing the effect...
The capacitance voltage characteristics for the two-dimensional multi-conductor in liquid crystal displays (LCDs)! are numerically derived by the method of successive over relaxation (SOR)!. The nonli...
主动屏蔽式平面探头水分在线传感器研究（Development of a Coplanar Electrode Capacitance Moisture Sensor）
干燥 含水率 电容传感器 主动屏蔽
2010/1/28
设计了一种主动屏蔽的平面探头水分在线电容传感器。硬件方面设计了主动屏蔽式极板，从敏感区域聚集电场,减小了杂散电容对传感器测量精度的影响；平面探头及其传感器振荡电路避免了屏蔽极板对驱动极板的影响。有限元法分析表明，主动屏蔽极板的采用提高了传感器测量精度和灵敏度。软件方面由谷物含水率测量试验装置进行了一系列试验，实现了测试水分时温度自动补偿，其含水率测试的相对误差由传统传感器的5%降低到1%。 鉴定结...
Electrochemical Capacitance of Mesoporous Gold
Electrochemical Capacitance Mesoporous Gold
2009/7/28
The surfaces of nanoscale gold particles and
components are oxide-free under normal ambient
conditions. This unusual attribute permits the
exploration of microstructures and functionalities that
w...
Calibration and Simultaneous Monitoring of Soil Water Content and Salinity with Capacitance and Four-electrode Probes
Dielectric probe four-electrode probe calibration salinity water content
2009/2/5
Non-destructive monitoring of soil water content (W) and the electrical conductivity of the soil solution (ECw) has been desired for environmental evaluation and sustainable agriculture. Dielectric pr...
Artificial Voltage-Controlled Capacitance and Inductance using Voltage-Controlled Transconductance
voltage-controlled capacitance voltage-controlled inductance varactor diode variable transconductance
2010/2/2
In this paper, a technique is proposed to implement
an artificial voltage-controlled capacitance or inductance which can
replace the well-known varactor diode in many applications. The
technique is...
Capacitance-voltage and Auger chemical profile studies on AlGaN/GaN structures passivated by SiO2/Si3N4 and SiNx/Si3N4 bilayers
gallium nitride HEMT
2011/5/4
AlGaN/GaN heterostructures passivated by SiO2/Si3N4 and SiNx/Si3N4 bilayers were characterized electrically by capacitance-voltage measurements and chemically by Auger microscopy chemical in-depth pro...
Capacitance-transient spectroscopy on irradiation-induced defects in Ge
Ge-defect deep level transient spectroscopy (DLTS) Laplace DLTS
2011/4/28
Recent studies of room-temperature irradiation-induced defects in Ge using space-charge capacitance-transient spectroscopy are reviewed. From these measurements only two defect complexes have been una...
Ultra-Low Temperature Coefficient of Capacitance (Tcc) of the SrSnO3-Based Electrical Components
Strontium metastannate Capacitor component Electroceramics Dielectrics Complex plane analysis
2010/12/7
The perovskite-structured SrSnO3 possessing steady capacitance over the temperature range between 27°C and 300°C in a frequency domain spanning nearly four decades has been evaluated. The samples inve...
Computation of Conductance and Capacitance for IC Interconnects on a General Lossy Multilayer Substrate
Interconnect transmission lines Admittance per unit length Galerkin procedure Lossy multilayer medium
2010/12/8
In this paper a simple method for analysis and modelling of transmission interconnect lines on general lossy multilayer substrates at high bit rates is presented. The analysis is based on semi-analyti...