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this paper presents the implementation of a four-order distributed band-pass filter. The band-pass filter based on LTCC technology is composed of four good performance resonators, each resonator is composed of three layers parallel strip-line, transmission zeros caused by Z strip-line achieve good stop-band attenuation through cross-coupling. By ADS circuit simulation and the HFSS software to optimize...
this paper presents the method of a s band wide-brimmed coupler. The coupler based on LTCC technology is composed of the strip-line horizontally, so as to realize higher coupling. By ADS circuit simulation and the HFSS software to optimize the 3D modeling, the measurement results of coupler match the electromagnetic simulation results, the center frequency of coupler is 3.1 GHz, the bandwidth is 900MHz,...
The high-efficiency three-process frequency conversion is analyzed. By analysis of coupling equations, the optical straddling stimulated Raman adiabatic passage (S-STIRAP) scheme is proposed. Numerical simulation shows that the input power of the first frequency is monotonically converted into the output power of the last frequency, with the intermediate frequencies kept extremely low along the interacting...
The space charge distribution of the polymer is an important factor affecting the insulating properties. This paper studies the characteristics of space charge distribution of SiC/LDPE nanocomposites surface modified by the coupling agent KH-560. The experimental results show that the interface between the nano-SiC particles and polyethylene itself is the main source of the trap, and add different...
The development of a biomechatronic hand with multi-FSRs (Force Sensitive Resistor) interface is presented. The cambered palm is specially designed to enhance the stability while grasping. The opposite thumb could grasp along a cone surface, while maintaining its function. By taken the advantage of coupling linkage mechanism, each finger with three phalanges could fulfill flexion and extension independently...
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