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    • 1. 发明授权
    • Method of using a level meter employing the radar principle
    • 采用雷达原理的液位计的方法
    • US08276443B2
    • 2012-10-02
    • US12028282
    • 2008-02-08
    • Michael GerdingThomas Musch
    • Michael GerdingThomas Musch
    • G01F23/00
    • G01F23/284G01F23/2845
    • A method of using of a level meter employing the radar principle, serving to measure the fill level of a medium in a container and incorporating an electric conductor system for conducting an electromagnetic signal into the container and returning reflected components of the electromagnetic signal from the container, the electric conductor system terminating at a predefined level in the container. In practicing the method a variation of the component of the electromagnetic signal reflected at the container-oriented end of the conductor system is utilized as an indicator of the attainment of the predefined fill level by the medium. This permits the detection of very small amounts of a medium for instance in the monitoring of drain pipes, spillway basins or leak-detection systems.
    • 一种使用采用雷达原理的电平计的方法,用于测量容器中的介质的填充量,并且包括用于将电磁信号传送到容器中的电导体系统,并将来自容器的电磁信号的反射分量返回 ,电导体系统终止于容器中预定的水平。 在实施该方法时,利用在导体系统的面向容器的端部反射的电磁信号的分量的变化作为介质达到预定填充水平的指标。 这允许检测非常少量的介质,例如在排水管,溢洪道盆或泄漏检测系统的监测中。
    • 6. 发明申请
    • LEVEL METER EMPLOYING THE RADAR PRINCIPLE
    • 使用雷达原理的水平仪
    • US20080264178A1
    • 2008-10-30
    • US12035725
    • 2008-02-22
    • Michael Gerding
    • Michael Gerding
    • G01N3/08G01F23/00
    • G01F23/284
    • A level meter, employing the radar principle for measuring the fill level of a medium in a container, includes a signal transmitter serving to transmit an electromagnetic signal, an electric conductor system for conducting the electromagnetic signal into the container and returning reflected components of the electromagnetic signal from the container, and a signal receiver serving to receive the reflected components of the electromagnetic signal. An electric conductor system is provided at its upper end with a suspension by which it is attached to a device on the container. A tensile-load testing device is placed between the suspension and at least a part of the electric conductor system, featuring a break point for the electromagnetic signal, with the distance between the break point and the signal transmitter or the signal receiver varying as a function of the tensile load bearing on the conductor system. This permits easy monitoring of the tensile forces to which the conductor system and the suspension are exposed, so that any damage to these devices as a result of excessive loads can be prevented.
    • 采用用于测量容器中的介质的填充水平的雷达原理的液位计包括用于传输电磁信号的信号发射器,用于将电磁信号传导到容器中的电导体系统,并且将电磁反射分量返回 来自容器的信号,以及用于接收电磁信号的反射分量的信号接收器。 电导体系统在其上端设置有悬挂件,通过该悬架连接到容器上的装置。 拉伸负载测试装置放置在悬架与电导体系统的至少一部分之间,具有电磁信号的断点,断点与信号发射器或信号接收器之间的距离随功能变化 的导体系统上的拉伸载荷。 这允许容易地监测导体系统和悬架暴露于的拉力,从而可以防止由于过大的负载而对这些装置造成的任何损坏。
    • 8. 发明授权
    • Frequency synthesizer for a level measuring device and a level measuring device
    • 电平测量装置和电平测量装置的频率合成器
    • US08416124B2
    • 2013-04-09
    • US12833113
    • 2010-07-09
    • Michael Gerding
    • Michael Gerding
    • G01S13/08
    • G06F1/0328H03B19/00H03B21/02
    • A frequency synthesizer for a time base generator of a level measuring device which works according to the radar principle, with at least one first output for output of a first frequency signal, with at least one second output for output of a second frequency signal, and with a reference oscillator for producing a reference frequency signal, the first frequency signal and the second frequency signal having a small difference frequency relative to one another, the first frequency signal being producible by interaction of the reference oscillator with a direct digital synthesizer. The first frequency signal and second frequency signal can be generated with especially low noise by the second frequency signal being derived from the reference oscillator without interconnection of a direct digital synthesizer and the direct digital synthesizer being operated such that only a noise spectrum is produced which is at least partially minimized.
    • 一种用于根据雷达原理工作的电平测量装置的时基发生器的频率合成器,具有用于输出第一频率信号的至少一个第一输出,以及用于输出第二频率信号的至少一个第二输出,以及 具有用于产生参考频率信号的参考振荡器,所述第一频率信号和所述第二频率信号相对于彼此具有小的差分频率,所述第一频率信号可通过所述参考振荡器与直接数字合成器的相互作用产生。 可以通过第二频率信号从参考振荡器得到第一频率信号和第二频率信号,而无需直接数字合成器和正在操作的直接数字合成器的互连,从而仅产生噪声谱 至少部分地最小化。
    • 9. 发明申请
    • FREQUENCY SYNTHESIZER AND METHOD FOR OPERATING A FREQUENCY SYNTHESIZER
    • 频率合成器和操作频率合成器的方法
    • US20080164951A1
    • 2008-07-10
    • US12052109
    • 2008-03-20
    • Thomas MuschBurkhard SchiekMichael Gerding
    • Thomas MuschBurkhard SchiekMichael Gerding
    • H03L7/18H03L7/00
    • H03L7/185G01F23/284G01S7/35G01S13/88H03L7/0802
    • A frequency synthesizer, especially for use with a time-base generator of a fill-level meter employing the radar principle is designed to output a first frequency signal and a second frequency signal at mutually slightly different frequencies. The synthesizer incorporates a reference oscillator operating at a reference frequency and a control oscillator regulated at a control frequency. A first frequency divider with a division factor V1 is connected in line with the reference oscillator and a second frequency divider with the division factor V2 is connected in line with the control oscillator, which frequency dividers serve to output the first frequency signal and the second frequency signal, respectively. The result is a stable frequency synthesizer with a large phase-control bandwidth and consequently an extremely short transient response time as well as broad-band phase-noise suppression. A method for operating the synthesizer is also disclosed.
    • 频率合成器特别适用于采用雷达原理的液位计的时基发生器,被设计成以相互稍微不同的频率输出第一频率信号和第二频率信号。 合成器包含以参考频率工作的参考振荡器和以控制频率调节的控制振荡器。 具有分频因子V 1 <1>的第一分频器与参考振荡器一致地连接,并且具有分频因子V 2 2的第二分频器与控制器 振荡器,哪些分频器分别用于输出第一频率信号和第二频率信号。 结果是具有大的相位控制带宽的稳定的频率合成器,因此具有非常短的瞬态响应时间以及宽带相位噪声抑制。 还公开了一种用于操作合成器的方法。