过流保护电路将检测电流转化为栅压控制开关管;
Over-current protection circuits convert the detecting current into the gate voltage which controls the switch FET.
分析了栅压对改变非线性跨导在混频器中的作用。
It is showed that the varying gate voltage will change the nonlinear transconductance to get mixer function.
器件的发光强度有所提高,但栅压对载流子的控制作用不理想。
Luminescence intensity increased, but the role of the gate voltage to control current is not ideal.
串联电阻不仅会使迁移率降低,还会使峰值场效应迁移率所对应的栅压减小。
A series resistance not only decreases field-effect mobility but also reduces the gate voltage corresponding to the peak field-effect mobility.
得到了作用机制转变时的栅压、势分布以及载流子和电场分布等的数值计算结果。
Some numerical results of the gate voltage, potential distribution, carriers and electrical field distribution in the channel et. al. were obtained.
分析了反型层的杂质分布、最大沟道电势与注入剂量、氧化层厚度和栅压等之间的关系。
The relations of impurity profile in the inversion layer and the maximum channel potential versus dose, width of SiO_2 and gate bias are analysed.
采用P型栅压自举开关补偿技术,可以有效地克服采样管导通电阻变化引入的非线性失真,提高采样精度。
By compensating with P-type bootstrapped switch, this circuit can overcome nonlinear distortion, which is generally introduced by signal-dependent on-resistance, and improve sampling resolution.
采用一个随栅压变化的平均电容公式,并用一个简单的解析表达式来描述沟道平均迁移率随栅压的变化关系。
The drain current model is simplified by an average capacitance formula and a simple expression of channel average mobility with gate voltage.
通过直接栅电流测量方法研究了热载流子退化和高栅压退火过程中PMOSFET ' s热载流子损伤的生长规律。
The growth laws of hot carrier damage of PMOSFET's during the hot carrier degradation and the high field annealing are studied by direct gate current measurement.
论文分析了SOIMOSFET器件的结构及不同前、背栅压的条件下薄膜双栅SOI MOSFET的器件特性;
Firstly, an analysis of the structure of various SOI MOSFET and their characteristics under conditions of different front and back gate-voltage are made.
此外,通过试验证明:在离心压气机上采用双列叶栅扩压器,可以改善压气机性能,扩大压气机的稳定工作范围。
Furthermore, experiments show that the adoption of double-row cascade diffusers in centrifugal compressors will improve its performance and widen its stable operating range.
标准滤线栅便于形成在收集边缘提供高磁场和高梯度的要素,压降较低。
Standard grids have advantageously shaped elements to provide high magnetic field and gradient near collecting edges, while causing very low pressure drop.
通过壁面静压测量、流场显示及气动探针测量研究了不同掠型叶片组成的平面扩压叶栅特性。
The performance of rectangular compressor cascades composed of different swept blades was studied by static pressure measurement, flow visualization and probe measurement.
结果表明弯掠叶栅端部损失降低而叶展中部损失增加,但相应的端部扩压因子有所减小。
The result shows that the swept-curved cascade has lower endwall loss and higher midspan loss as compared with the straight cascade.
仪器主要包括常压空气网栅脉冲电离室,信号放大与甄别和单片机系统。
Emanometer is composed of normal atmosphere air mesh grid pulse ionization chamber, signal magnify and screen unit and MCU system.
结果表明弯叶片对扩压叶栅的改善的能力受进口边界层的特征影响。
It was found that the ability of improving diffusion cascade performance was affected by some characteristics of the inlet boundary layer.
在低速环形叶栅实验台上圆弧斜槽处理轮毂相对静子扩压叶栅环的旋转频率对叶栅端壁区流动进行了影响实验探索。
An experiment was made in an annual cascade to explore the unsteady flow mechanism of skewed slot hub treatment in removing flow separation near hub.
针对某静止环形叶栅的激励实验工作,相应的对扩压叶栅进行了不同气流攻角和激励频率的非定常粘性计算与流场分析。
In regard to the excitation experiments, time-Accurate numerical stimulation was carried out to investigate the upstream disturbance frequency effect under different incidence in an annular cascade.
阐述了在环形扩压叶栅内利用非定常激励减少分离区损失的实验研究成果。
This paper presents the results of the experimental investigation on the effects of internal acoustic excitation on enhancing performance of the annular cascade.
以离心压缩机扩压器叶栅为例,在两个给定设计工况下采用所提出的方法求解其最佳叶片型线。
A diffuser cascade of a centrifugal compressor was chosen to be designed with the proposed approach, with its two operating points specified, and its blade profile to be optimized.
给定不同型式的进口边界层,在两种不同亚音速条件下对一平面扩压静叶栅的弯叶片流场进行了数值模拟。
For several given types of inlet boundary layer, a numerical investigation on flow field of bowed stator vanes under two inlet subsonic Mach Numbers was carried out.
提出了二阶精度隐式矢通量单步差分格式并用来求解跨压器进气道、叶栅的跨音流场。
An implicit flux vector splitting form in one-step with second-order accuracy was proposed for solving the transonic flow fields of air channels and cascades of diffusers.
本文选取某重复级压气机平均半径处的型线,进行平面扩压叶栅非定常数值模拟。
In this paper unsteady numerical simulation of planar diffuse cascade is performed in the model profiles that choosing from mid-span of the blade in a repeated compressor.
为了改善扩压叶栅气动性能,采用拟压缩性方法对不同周向弯曲角度的正弯曲叶片压气机叶栅内三维粘性流场进行了数值模拟。
The numerical simulation has been carried out to investigate the viscosity flow in the compressor cascades with curved blades of different circumferential bow angles.
浸塑电焊网、隔离栅及防风抑尘网、钢筋焊接网等。公司拥有先进的大型自动电脑程控压阻焊机,齐全专业的检测设备和精湛的加工工艺。
The company has the advanced large-scale automatic computer program control resistance welding machine, complete specialized check-out facility and exquisite processing craft.
从塑壳断路器尺寸紧凑、栅片数受限制出发,提出弧柱压降对限流同样起很大作用。
According to the compact geometry along with limited number of deion plates of MCCB, it was proposed that arc column voltage also play an important role in interrupting process of MCCB.
采用压摸式弯风栅,适应不归则开关弯钢化的生产。
Pressure bending mode of using wind grid, not to bend to the will switch the production of steel.
本文采用烟显示和三维流场测量的方法,研究扩压叶栅角涡的物理模式。
The flow visualization by means of smoke and measurement of 3 -d flow field are conducted to investigate physical model of the streamwise corner vortexes in a compressor cascade.
为了改善扩压叶栅气动性能 ,采用拟压缩性方法对不同周向弯曲角度的正弯曲叶片压气机叶栅内三维粘性流场进行了数值模拟 。
The numerical simulation has been carried out to investigate the three dimensional viscosity flow in the compressor cascades with curved blades of different types of stacking lines.
为了改善扩压叶栅气动性能 ,采用拟压缩性方法对不同周向弯曲角度的正弯曲叶片压气机叶栅内三维粘性流场进行了数值模拟 。
The numerical simulation has been carried out to investigate the three dimensional viscosity flow in the compressor cascades with curved blades of different types of stacking lines.
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