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    • 13. 发明授权
    • Microwave pulse generator
    • 微波脉冲发生器
    • US06380815B1
    • 2002-04-30
    • US09704863
    • 2000-11-02
    • Josef FehrenbachGregor StorzDaniel Schultheiss
    • Josef FehrenbachGregor StorzDaniel Schultheiss
    • H03B518
    • H03B5/1852G01S7/282G01S13/0209
    • The invention relates to a microwave pulse generator for generating microwave pulses with a pulse duration in the nanosecond range. The microwave pulse generator includes a pulse generator for generating control pulses of a constant pulse duration and a microwave oscillator generating microwave oscillations. The microwave oscillator includes a transistor amplifier, to which a frequency-determining resonant circuit and an ohmic device for reducing the resonant Q-value are connected in such a way that a control pulse of the pulse generator applied to an input terminal of the transistor amplifier causes the microwave oscillator to produce a microwave oscillation that can be tapped at an output terminal of the microwave oscillator, wherein the microwave oscillation follows at least approximately the temporal course of the control pulse.
    • 本发明涉及一种微波脉冲发生器,用于产生具有纳秒范围内的脉冲持续时间的微波脉冲。 微波脉冲发生器包括用于产生恒定脉冲持续时间的控制脉冲的脉冲发生器和产生微波振荡的微波振荡器。 微波振荡器包括晶体管放大器,频率确定谐振电路和用于降低谐振Q值的欧姆器件连接到晶体管放大器,使得施加到晶体管放大器的输入端的脉冲发生器的控制脉冲 导致微波振荡器产生可以在微波振荡器的输出端子处被抽头的微波振荡,其中微波振荡至少接近控制脉冲的时间过程。
    • 17. 发明授权
    • Planar antenna with cover
    • 平面天线带盖
    • US09178275B2
    • 2015-11-03
    • US13187620
    • 2011-07-21
    • Daniel Schultheiss
    • Daniel Schultheiss
    • H01Q19/26H01Q21/00H01Q1/42H01Q13/02G01F23/284H01Q19/06H01Q21/06H01Q1/22
    • H01Q1/42G01F23/284H01Q1/225H01Q19/062H01Q21/065
    • Provided is a planar antenna based system for use as a radar level meter, microwave barrier or other suitable system. The system includes a planar radiator element arranged on a substrate, and a cover plate element made from a dielectric to cover the planar radiator element. In one alternative embodiment, the cover plate includes a cavity proximate the planar radiator element, into which the microwaves generated by the planar radiator element can be coupled. In another alternative, the cover plate is provided in a surface-flush position against the substrate in the edge region of the cavity. These arrangements may be provided in a plurality so as to support an overall system containing multiple radiator elements.
    • 提供了一种用作雷达液位计,微波屏障或其他合适系统的基于平面天线的系统。 该系统包括布置在基板上的平面散热器元件和由电介质制成以覆盖平面散热器元件的盖板元件。 在一个备选实施例中,盖板包括靠近平面散热器元件的空腔,平面散热器元件产生的微波可以联接到该空腔中。 在另一替代方案中,盖板在空腔的边缘区域中以表面冲洗位置抵靠基板设置。 这些布置可以多个设置,以便支撑包含多个散热器元件的整个系统。