-
1.发明授权Noise generator using combined outputs of two pseudo-random sequence generators 失效噪声发生器采用两个伪随机序列发生器的组合输出
公开(公告)号：US5153532A
公开(公告)日：1992-10-06
申请号：US356891
申请日：1989-05-24
IPC分类号： H03K3/84
CPC分类号： H03K3/84
摘要： The pseudo-random-bit sequence generators are clocked by separate clock signals of different frequency. The two pseudo-random-bit sequence generator outputs are logically combined by an exclusive-or gate to provide a pseudo-random-bit sequence generator which, when converted to analog signal has improved white noise characteristics.
摘要翻译： 伪随机位序列发生器由不同频率的不同时钟信号计时。 两个伪随机比特序列发生器输出通过异或门逻辑组合以提供伪随机比特序列发生器，当转换成模拟信号时具有改善的白噪声特性。
-
公开(公告)号：US5434670A
公开(公告)日：1995-07-18
申请号：US160014
申请日：1993-11-30
IPC分类号： G01C19/66
CPC分类号： G01C19/66
摘要： A screening method for a ring laser gyro capable of more accurately predicting the gyro's angular random walk upon completion of the built process is disclosed. A strong correlation exists between the angular random walk and a scale factor pulling term. Scale factor pulling is equivalent to the scale factor deviation measured at two rotational rates plus a positive scale factor correction term and is indicative of the effect of lockin on the scale factor. This screening method allows the removal of high ARW units from the production line at a point early on in their processing. By removing these gyros at this point in processing, unnecessary production steps and unnecessary value added operations are eliminated.
摘要翻译： 公开了一种环形激光陀螺仪的筛选方法，该方法能够在完成内置过程后更准确地预测陀螺仪的角随机散射。 角随机游走与比例因子拉伸项之间存在很强的相关性。 比例因子拉动等效于在两个旋转速率加上正比例因子校正项测量的比例因子偏差，并且表示锁定对比例因子的影响。 这种筛选方法允许在处理早期的某一时刻从生产线上移除高ARW单元。 通过在处理中移除这些陀螺仪，消除了不必要的生产步骤和不必要的增值操作。
-
3.发明授权Tailoring the RLG mirror lifetime by changing the mirror to plasma distance spacing 失效通过将镜子更改为等离子体距离间距来调整RLG镜面寿命
公开(公告)号：US5818591A
公开(公告)日：1998-10-06
申请号：US979247
申请日：1997-11-26
IPC分类号： G01C19/66
CPC分类号： G01C19/661
摘要： Mirrors are tested separately at different distances to plasma in separate ring laser gyros. Testing mirrors a predetermined distance away from plasma in the gyros allows accelerated testing of the environment of the mirrors in gyros. The test results are graphed to also allow prediction of ring laser gyro life.
摘要翻译： 在独立的环形激光陀螺仪中，不同距离地对等离子体分别测试镜子。 在陀螺仪中测试反射镜远离等离子体的预定距离允许加速测试陀螺仪中的反射镜的环境。 测试结果也可以预测环形激光陀螺仪的寿命。
-
4.发明授权Reducing dither induced errors from path length control resets in a ring laser gyro 失效在环形激光陀螺仪中减少抖动引起的路径长度控制复位误差
公开(公告)号：US5801377A
公开(公告)日：1998-09-01
申请号：US801387
申请日：1997-02-20
CPC分类号： G01C19/664
摘要： An integrator in a ring laser gyro that produces an output for changing the path length is reset synchronously with a gyro dither signal to reduce gyro errors from the dithering operation during the reset.
摘要翻译： 产生用于改变路径长度的输出的环形激光陀螺仪中的积分器与陀螺仪抖动信号同步地复位，以在复位期间减少来自抖动操作的陀螺仪误差。
-
公开(公告)号：US6067160A
公开(公告)日：2000-05-23
申请号：US803493
申请日：1997-02-20
CPC分类号： G01C19/665
摘要： In an ring laser gyro, a path length modulation signal is applied to an amplifier with two gain levels and the amplifier's output is added to a path length transducer drive signal that changes the gyro's path length. When a path length reset signal is produced, the higher gain signal is selected and maintained for a short interval after the reset signal.
摘要翻译： 在环形激光陀螺仪中，路径长度调制信号被施加到具有两个增益级的放大器，并且放大器的输出被添加到改变陀螺仪路径长度的路径长度传感器驱动信号。 当产生路径长度复位信号时，在复位信号之后的较短间隔内选择并保持较高的增益信号。
-
6.发明授权公开(公告)号：US06259528B1
公开(公告)日：2001-07-10
申请号：US09216237
申请日：1998-12-18
IPC分类号： G01J400
CPC分类号： G01C19/661 , H01S3/083
摘要： Plasma is placed in ring laser gyro blocks to create laser beams for the operation of the ring laser gyro. The plasma is doped with a small portion of material that allows the ring laser gyro to operate for a long period of time.
摘要翻译： 将等离子体放置在环形激光陀螺仪块中，以产生用于环形激光陀螺仪操作的激光束。 等离子体掺杂有少量材料，允许环形激光陀螺仪长时间运行。
-
7.发明授权Apparatus for minimizing the effects of laser intensity reduction at cold temperatures in ring laser gyros 有权用于最小化环形激光陀螺仪中在低温下的激光强度降低的影响的装置
公开(公告)号：US6108358A
公开(公告)日：2000-08-22
申请号：US170532
申请日：1998-10-13
CPC分类号： G01C19/66
摘要： A circuit for controlling the run current in a ring laser gyro includes circuitry for sensing temperature, supplying a current to the ring laser gyro and controlling the current supplied to the ring laser gyro and the current varies depending on the temperature. The current changes at predetermined temperature points.
摘要翻译： 用于控制环形激光陀螺仪中的运行电流的电路包括用于感测温度的电路，向环形激光陀螺仪提供电流并控制提供给环形激光陀螺仪的电流，并且电流根据温度而变化。 电流在预定温度点发生变化。
-
公开(公告)号：US5926274A
公开(公告)日：1999-07-20
申请号：US812614
申请日：1997-03-06
CPC分类号： G02B5/08 , G01C19/661
摘要： A output mirror with a substrate that is doped with a radiation stabilizing material is used to reduce the adverse effects of long periods of exposure to radiation. The output mirror is capable of maintaining its transmissive characteristics when exposed to radiation and is used in radiation environments.
摘要翻译： 具有掺杂有辐射稳定材料的衬底的输出反射镜用于减少长时间暴露于辐射的不利影响。 输出反射镜能够在暴露于辐射下时保持其透射特性，并在辐射环境中使用。
-
公开(公告)号：US5867269A
公开(公告)日：1999-02-02
申请号：US978707
申请日：1997-11-26
IPC分类号： G01C19/66
CPC分类号： G01C19/66
摘要： A method performed during the processing of a ring laser gyro (RLG) will produce a long life in the RLG. The method includes filling the RLG with a gas mixture. A current is discharged within the RLG which will create certain reactions to condition the RLG for a long life.
摘要翻译： 在环形激光陀螺仪（RLG）的处理期间执行的方法将在RLG中产生长寿命。 该方法包括用气体混合物填充RLG。 电流在RLG内释放，这将产生一些反应，以使RLG寿命长。
-
公开(公告)号：US5148076A
公开(公告)日：1992-09-15
申请号：US682840
申请日：1991-04-09
申请人： Steven C. Albers , Timothy J. Callaghan , Bruce A. Seiber , Theodore A. Toth , Robert W. Derry , Theodore J. Podgorski
发明人： Steven C. Albers , Timothy J. Callaghan , Bruce A. Seiber , Theodore A. Toth , Robert W. Derry , Theodore J. Podgorski
CPC分类号： G01C19/665
摘要： A path length control driver apparatus includes a base plate having a first central member having first and second opposite ends, a first outer rim membr and a first flexible annular diaphragm area having first and second opposite sides. The first flexible annular diaphragm area is between and integral with the first central member and the first outer rim member. A central axis passes centrally through the first and second opposite ends of the first central member. A first piezoelectric ceramic material has first and second opposing sides and the first side of the first piezoelectric ceramic material is rigidly affixed to the first flexible annular diaphragm area's first side. A second piezoelectric ceramic material has first and second opposing sides and the first side of the second piezolectric ceramic material is rigidly affixed to the first flexible annular diaphragm area's second side. A first annular ring electrode is rigidly affixed to the second side of the first piezoelectric ceramic material, and a second annular ring electrode is rigidly affixed to the second side of the second piezoelectric ceramic material. The first and second electrodes have selected annular ring widths of different sizes to provide a selected temperature sensitivity of movement of the central member along the central axis.
-
-
-
-
-
-
-
-
-
搜索结果
12 条记录 (耗时 0.022 秒)
