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Mechatronics is the integration of mechanical, electrical, information, communication and nano/micro level technologies in the products and manufacturing processes. An intelligent mechatronic system needs the ability to perceive information from the ambient environment and diagnose the system functions by multimodal sensors. The implementation of multisensor fusion and integration (MFI) in mechatronic...
We developed a new method to manufacture discrete miniature cold cathodes for microwave devices by hot bonding CVD grown CNT with Ball Grid Array (BGA) Tin alloy spheres to form a small cathode. First the CNT is grown on a Si wafer with CVD method, next a BGA Tin alloy sphere is placed on top of the CNT, and a hollow metal tube is pressed on the BGA sphere, then the whole set up is heated for several...
Plasma antenna has unique properties like low RCS and variable impedance; however, previous plasma antenna uses 500 MHz RF power to generate a plasma column, which is limited in energy efficiency and bandwidth. Here we introduce a new type of plasma antenna that generates plasma column with pre-ionization from a DC high voltage, and signal is coupled to the plasma antenna via capacitive coupling....
Summary form only given. Field Emission cathode possesses certain advantages over the rmionic emission cathode: smaller FWHM of emission energy, smaller size, no need for filament heating power supply, an d possibility of higher pulsed current. The small field emission energy spread and small size are particularly important as frequency goes up into mm, sub-mm or THz regime in devices like Clinotron...
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