System and method for accurate downlink power control of composite QPSK modulated signals
    1.
    发明授权
    System and method for accurate downlink power control of composite QPSK modulated signals 有权
    复合QPSK调制信号精确下行功率控制的系统和方法

    公开(公告)号:US08189708B2

    公开(公告)日:2012-05-29

    申请号:US12188764

    申请日:2008-08-08

    申请人: Armando Benavides

    发明人: Armando Benavides

    IPC分类号: H03C5/00

    CPC分类号: H04L27/2071

    摘要: A method for controlling code power levels of individual codes of a composite quadrature phase shift keyed (QPSK) signal. The method may involve obtaining a sample of the composite QPSK signal; separating the individual codes from the composite QPSK signal; analyzing the individual codes against corresponding commanded code power settings for the individual codes; and determining a code power correction signal needed for each of the individual codes needed to adjust a code power for each of the individual codes to match their corresponding commanded code power settings.

    摘要翻译: 一种用于控制复合正交相移键控(QPSK)信号的各个代码功率电平的方法。 该方法可以涉及获得复合QPSK信号的采样; 从复合QPSK信号中分离各个代码; 根据各个代码的相应命令代码功率设置分析各个代码; 以及确定为每个单独代码调整代码功率以匹配其相应的指令代码功率设置所需的每个代码所需的代码功率校正信号。

    System and method for determining the beam center location of an antenna
    2.
    发明授权
    System and method for determining the beam center location of an antenna 有权
    用于确定天线的光束中心位置的系统和方法

    公开(公告)号:US07843386B2

    公开(公告)日:2010-11-30

    申请号:US12251083

    申请日:2008-10-14

    申请人: Armando Benavides

    发明人: Armando Benavides

    IPC分类号: H01Q3/00 G01S5/04

    CPC分类号: G01R29/10

    摘要: A system and method for determining the beam center location of an antenna, such as a global positioning system (GPS) antenna, are provided. A system for determining the beam center of an antenna may include a plurality of radio frequency (RF) probes, such as Integrated Transfer System (ITS) antenna elements, located at respective predefined positions surrounding the geometrical center of the antenna. The system may also include at least one detector configured to provide a measure of the RF power detected by each respective RF probe. The system may also include a processor configured to determine the beam center of the antenna based upon the predefined position of each RF probe and the measure of the RF power detected by each respective RF probe. A corresponding method is also provided.

    摘要翻译: 提供了用于确定诸如全球定位系统(GPS)天线的天线的波束中心位置的系统和方法。 用于确定天线的波束中心的系统可以包括多个射频(RF)探针,诸如集成传输系统(ITS)天线元件,其位于围绕天线的几何中心的各个预定位置处。 该系统还可以包括至少一个检测器,其被配置为提供由每个相应的RF探针检测到的RF功率的量度。 系统还可以包括处理器,其被配置为基于每个RF探针的预定义位置以及由每个相应的RF探针检测到的RF功率的测量来确定天线的波束中心。 还提供了相应的方法。

    SECURITY SENSOR SYSTEM
    3.
    发明申请
    SECURITY SENSOR SYSTEM 审中-公开
    安全传感器系统

    公开(公告)号:US20070164865A1

    公开(公告)日:2007-07-19

    申请号:US11556686

    申请日:2006-11-03

    IPC分类号: G08B13/14

    CPC分类号: G08B13/246 G08B13/2462

    摘要: A security system suitable for retail establishments carrying articles comprises tags for affixing to the articles, the tag being capable of generating a responsive microwave signal in response to a microwave detection signal; and at least one transceiver for generating the microwave detection signal and for receiving the responsive microwave signal.

    摘要翻译: 适用于携带物品的零售机构的安全系统包括用于附着到物品的标签,该标签能够响应微波检测信号产生响应微波信号; 以及用于产生微波检测信号并用于接收响应微波信号的至少一个收发器。

    System And Method For Determining The Location Of The Phase Center Of An Antenna
    5.
    发明申请
    System And Method For Determining The Location Of The Phase Center Of An Antenna 有权
    确定天线相位中心位置的系统和方法

    公开(公告)号:US20120182184A1

    公开(公告)日:2012-07-19

    申请号:US12255273

    申请日:2008-10-21

    申请人: Armando Benavides

    发明人: Armando Benavides

    IPC分类号: H01Q3/30

    CPC分类号: H01Q3/267

    摘要: A system and method for determining the location of the phase center of an antenna are provided. For the transverse location of the phase center, the system may include radio frequency (RF) probes symmetrically surrounding the antenna's geometrical center to define RF probe pairs, a plurality of phase detectors for determining a phase difference between the signals detected by each pair and a processor for determining the transverse location of the phase center based upon probe position and the phase differences. For the longitudinal location of the phase center, the system may include first and second RF probes having a common transverse position, but being longitudinally separated, a phase detector for determining a phase difference between the signals detected by the probes and a processor for determining the longitudinal location of the phase center based upon the longitudinal separation and the phase difference.

    摘要翻译: 提供了一种用于确定天线的相位中心的位置的系统和方法。 对于相位中心的横向位置,系统可以包括对称地围绕天线几何中心的射频(RF)探针以限定RF探针对,多个相位检测器,用于确定由每对检测到的信号与 处理器,用于基于探针位置和相位差确定相位中心的横向位置。 对于相位中心的纵向位置,系统可以包括具有公共横向位置但纵向分离的第一和第二RF探针,用于确定由探针检测到的信号之间的相位差的相位检测器和用于确定 基于纵向分离和相位差的相位中心的纵向位置。

    Laser controlled crystal and dielectric resonator oscillators
    7.
    发明授权
    Laser controlled crystal and dielectric resonator oscillators 失效
    激光控制晶体和介质谐振器振荡器

    公开(公告)号:US06388534B1

    公开(公告)日:2002-05-14

    申请号:US09605492

    申请日:2000-06-28

    IPC分类号: H03B532

    CPC分类号: H03B5/1876 H03B2201/017

    摘要: A crystal oscillator including a laser light source for emitting a laser beam to an aligned quartz crystal coupled to an oscillator circuit by an optical feedback network. The optical feedback network is responsive to variations of misalignment of the laser beam with the crystal and correction signals generated for introduction back to the crystal to bring its frequency back to a constant standard frequency output.

    摘要翻译: 一种晶体振荡器,包括用于通过光学反馈网络将激光束发射到耦合到振荡器电路的对准石英晶体的激光源。 光学反馈网络响应于激光束与晶体的未对准变化以及为引入晶体而产生的校正信号,以使其频率回到恒定的标准频率输出。

    Circuit for normalizing devices having current-controlled frequency
response to predetermined I-F characteristic
    8.
    发明授权
    Circuit for normalizing devices having current-controlled frequency response to predetermined I-F characteristic 失效
    用于对具有预定I-F特性的电流受控频率响应的装置进行归一化的电路

    公开(公告)号:US4153849A

    公开(公告)日:1979-05-08

    申请号:US820689

    申请日:1977-08-01

    IPC分类号: H03J3/16 H03K1/02

    CPC分类号: H03J3/16

    摘要: Circuits are disclosed for normalizing a device which has a current-controlled frequency response, such as a YIG or a TWM device, to a predetermined current-frequency (I-F) characteristic in order that a device equipped with such a circuit can be preadjusted for substitution in a system for a like device without realigning the system. The normalizing circuit is in parallel with the device, and is comprised of a transistor and a compensating current-sensing resistor in series with the transistor. A shunt compensating current, I.sub.C, through the transistor is set by a voltage on a potentiometer to offset the I-F characteristic of the composite device and circuit from that of the device to a predetermined level and also by a feedback control circuit connected to the compensating current-sensing resistor. The slope of the offset characteristic is then adjusted to a predetermined value by adjusting the gain of a feedback control circuit between the transistor and a resistor which senses a voltage, V.sub.S, proportional to the current, I.sub.T, which is the sum of the drive current, I.sub.Y, through the device and the shunted compensating current, I.sub.C, through the transistor.

    摘要翻译: 公开了用于将具有电流控制的频率响应的装置(例如YIG或TWM装置)归一化为预定的电流 - 频率(IF)特性的电路,以便配备有这种电路的装置可以被预调节以进行替换 在类似设备的系统中,不重新对准系统。 归一化电路与器件并联,并且由与晶体管串联的晶体管和补偿电流检测电阻组成。 通过电位器上的电压来设置通过晶体管的并联补偿电流IC,以将复合器件和电路的IF特性从器件的IF特性偏移到预定电平,并且还通过连接到补偿电流的反馈控制电路 感应电阻。 然后通过调整晶体管和电阻之间的反馈控制电路的增益来调整偏移特性的斜率,该电阻感测与电流IT成正比的电压,IT是驱动电流之和 ,IY,通过器件和分流补偿电流IC,通过晶体管。

    SYSTEM AND METHOD FOR COMPENSATING FOR TEMPERATURE EFFECTS ON GPS TRANSPONDERS
    9.
    发明申请
    SYSTEM AND METHOD FOR COMPENSATING FOR TEMPERATURE EFFECTS ON GPS TRANSPONDERS 有权
    用于补偿GPS传感器温度影响的系统和方法

    公开(公告)号:US20080258969A1

    公开(公告)日:2008-10-23

    申请号:US11737497

    申请日:2007-04-19

    申请人: Armando Benavides

    发明人: Armando Benavides

    IPC分类号: H01Q21/28

    CPC分类号: G01S19/23

    摘要: A GPS transponder system incorporating a phase error monitoring and compensation subsystem. The phase error monitoring and compensation subsystem includes a demodulator subsystem that demodulates modulated carrier signals being output from each one of a pair of GPS transponders to obtain the navigation codes being generated by each of the transponders from their respective carrier signals. The navigation codes obtained from the modulated carrier signals are compared to separate navigation codes that are generated by a navigation data unit (NDU) of the system and supplied over a thermally stable signal transmission line. The signal transmission line has a known, fixed delay and is not affected by temperature changes that affect the modulated carrier signals. A phase comparator subsystem uses the comparison to generate needed error correction signals that are applied via phase shifters to each of the transponders. The error correction signals modify the modulated carrier signals to remove the influence caused by temperature variations that the transponders experience during operation.

    摘要翻译: 一个包含相位误差监测和补偿子系统的GPS应答器系统。 相位误差监测和补偿子系统包括解调器子系统,其对从一对GPS应答器中的每一个输出的调制载波信号进行解调,以获得由各自的载波信号由每个转发器产生的导航码。 将从调制的载波信号获得的导航码与由系统的导航数据单元(NDU)生成并通过热稳定的信号传输线提供的单独导航代码进行比较。 信号传输线具有已知的固定延迟,并且不受影响调制载波信号的温度变化的影响。 相位比较器子系统使用比较来产生通过移相器施加到每个转发器的所需的纠错信号。 误差校正信号修改调制的载波信号以消除应答器在操作期间经历的温度变化引起的影响。

    System and method for compensating for temperature effects on GPS transponders
    10.
    发明授权
    System and method for compensating for temperature effects on GPS transponders 有权
    用于补偿GPS转发器温度影响的系统和方法

    公开(公告)号:US07825854B2

    公开(公告)日:2010-11-02

    申请号:US11737497

    申请日:2007-04-19

    申请人: Armando Benavides

    发明人: Armando Benavides

    IPC分类号: G01S1/00

    CPC分类号: G01S19/23

    摘要: A GPS transponder system incorporating a phase error monitoring and compensation subsystem. The phase error monitoring and compensation subsystem includes a demodulator subsystem that demodulates modulated carrier signals being output from each one of a pair of GPS transponders to obtain the navigation codes being generated by each of the transponders from their respective carrier signals. The navigation codes obtained from the modulated carrier signals are compared to separate navigation codes that are generated by a navigation data unit (NDU) of the system and supplied over a thermally stable signal transmission line. The signal transmission line has a known, fixed delay and is not affected by temperature changes that affect the modulated carrier signals. A phase comparator subsystem uses the comparison to generate needed error correction signals that are applied via phase shifters to each of the transponders. The error correction signals modify the modulated carrier signals to remove the influence caused by temperature variations that the transponders experience during operation.

    摘要翻译: 一个包含相位误差监测和补偿子系统的GPS应答器系统。 相位误差监测和补偿子系统包括解调器子系统,其对从一对GPS应答器中的每一个输出的调制载波信号进行解调,以获得由各自的载波信号由每个转发器产生的导航码。 将从调制的载波信号获得的导航码与由系统的导航数据单元(NDU)生成并通过热稳定的信号传输线提供的单独导航代码进行比较。 信号传输线具有已知的固定延迟,并且不受影响调制载波信号的温度变化的影响。 相位比较器子系统使用比较来产生通过移相器向每个转发器施加的所需的纠错信号。 误差校正信号修改调制的载波信号以消除应答器在操作期间经历的温度变化引起的影响。