A modified wide-angle beam propagation based on the Douglas operators is presented .The truncation error in the modified wide-angle beam propagation is reduced
A piezoelectric accelerometer with optical fiber to measure the dynamic parameter of 3 dimensions is presented .The operation equations on X,Y and Z axes are di
A new FB-ZVT-PWM converter is proposed.The new converter operates at a fixed frequency and implements ZVS for power devices without increasing voltage in both
The principle of new optical fibre pressure transducer is analysed,and inge-nious design scheme of this transducer is vigen.This new transducer specimen is prov
A novel horizontal push-pull multi-substrate epitaxy boat with three separate cells is introduced in this article, with multi-substrate LPE processing is feasib
The electron mobility for strained Si1-xGex alloy layer grown on Si(100) substrate has been calculated for doping rage of 10^17 cm^-3 to 10^20 cm^-3with Ge cont
A thermoelectricity light source in a gaseous plasma discharge between two electrodes is described,one of which emits electrons thermoionically.The analytical
Based on the theory of thermal radiation,a contact type optical fiber pyrometer applied in IC engine is put forward.It is composed of three parts: ablackbody pr
Superlattices consisting of alternating layers of organic/polymeric materials have been fabricated from tris(8-hydroxyquinoline) aluminum(Alq3) and poly(N-vinyl