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    • 121. 发明申请
    • THREE-DIMENSIONAL HOLOGRAPHICAL IMAGING
    • 三维全息成像
    • US20140125516A1
    • 2014-05-08
    • US13668445
    • 2012-11-05
    • The Curators of the University of Missouri
    • Mohammad Tayeb GhasrReza Zoughi
    • G01S13/90
    • G01S13/90G01S13/32
    • A holographic imaging system including a transmission line coupled to an antenna at one end and to a signal source at another end. The antenna defines an aperture through which a signal generated by the signal source is transmitted incident to an object located remotely from the aperture and through which a signal reflected from the object is received by the antenna aperture. A standing wave probe phase-referenced to the antenna aperture samples the reflected signal. A detector connected to the standing wave probe receives the sampled reflected signal and provides an output signal that represents a real-valued signal proportional to an in-phase component of the reflected signal from the object. A processor executes an imaging algorithm for generating a multi-dimensional profile representative of the object based on the output signal from the detector.
    • 一种全息成像系统,包括在一端耦合到天线的传输线和另一端的信号源。 天线定义了一个孔径,信号源产生的信号通过该孔径入射到位于远离孔径的物体上,从物体反射的信号通过天线孔接收。 相对于天线孔径的驻波探针对反射信号进行采样。 连接到驻波探头的检测器接收采样的反射信号,并提供表示与来自物体的反射信号的同相分量成正比的实值信号的输出信号。 处理器执行成像算法,用于基于来自检测器的输出信号生成表示对象的多维轮廓。
    • 126. 发明申请
    • Optically Controlled Power Devices
    • 光控功率器件
    • US20130334537A1
    • 2013-12-19
    • US13910729
    • 2013-06-05
    • The Curators of the University of MissouriHelava Systems, Inc.
    • Heikki I. HelavaRandy D. Curry
    • H01L31/16H01L31/0304
    • H01L31/162H01L31/03044H01L31/1105H01L31/112Y02E10/544
    • An electro-optically triggered power switch is disclosed utilizing a wide bandgap, high purity III-nitride semiconductor material such as BN, AN, GaN, InN and their compounds. The device is electro-optically triggered using a laser diode operating at a wavelength of 10 to 50 nanometers off the material's bandgap, and at a power level of 10 to 100 times less than that required in a conventionally triggered device. The disclosed device may be configured as a high power RF MOSFET, IGBT, FET, or HEMT that can be electro-optically controlled using photons rather than an electrical signal. Electro-optic control lowers the power losses in the semiconductor device, decreases the turn-on time, and simplifies the drive signal requirements. It also allows the power devices to be operated from the millisecond to the sub-picosecond timeframe, thus allowing the power device to be operated at RF frequencies (i.e., kilohertz to terahertz range) and at high temperatures where the bandgap changes with temperature.
    • 公开了一种使用宽带隙,高纯度III族氮化物半导体材料如BN,AN,GaN,InN及其化合物的电光触发功率开关。 该器件使用在材料带隙上工作在10至50纳米波长的激光二极管,并且功率水平比传统触发器件所需的功率水平低10至100倍。 所公开的器件可以被配置为可以使用光子而不是电信号进行电光控制的高功率RF MOSFET,IGBT,FET或HEMT。 电光控制降低了半导体器件的功率损耗,降低了导通时间,并简化了驱动信号的要求。 它还允许功率器件从毫秒到次要皮秒的时间运行,从而允许功率器件在RF频率(即千赫兹到太赫兹范围)以及带隙随温度变化的高温下工作。
    • 127. 发明授权
    • Variable product agrochemicals application management
    • 可变产品农药应用管理
    • US08594897B2
    • 2013-11-26
    • US13027435
    • 2011-02-15
    • Peter P. MotavalliKelly A. Nelson
    • Peter P. MotavalliKelly A. Nelson
    • G06F7/00
    • G05D21/02G06Q10/0631G06Q50/02
    • Methods and products are provided for facilitating application of variable-product agrochemicals, such as fertilizer, to an application area, such as a field. The fertilizer or agrochemical may include a single fertilizer or agrochemical type or a mixture. In one embodiment, a fertilizer-application area is divided into application cells, and a fertilizer product is determined for each cell, based on zones of the application area with a similar characteristic, such as topographic wetness index levels. Based on a determined product for each cell, instructions for controlling an agrochemical applicator are automatically generated.
    • 提供了方法和产品,以便于诸如肥料的可变产品农用化学品的应用到诸如领域的应用领域。 肥料或农用化学品可以包括单一肥料或农业化学类型或混合物。 在一个实施方案中,将肥料施用区域划分为施用细胞,并且基于具有类似特征(例如地形湿度指数水平)的施用区域的区域,确定每个细胞的肥料产品。 基于每个电池的确定的产品,自动生成用于控制农药施用器的说明书。