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- Doppler navigation computer 多普勒导航计算机
- Design of the Doppler navigation system. 水下航行器的多普勒导航系统设计。
- This method is used to calculate the minimum working altitude of AN-APN-220C Doppler navigation radar. 推导出最小起量高度的简捷而实用的计算方法;用此方法计算了AN-APN220C多普勒雷达的最小起量高度.
- The tightly coupled integration strategy with single difference L1 C/A code and Doppler measurements was used for navigation computation. 在紧组合方案的卡尔曼滤波器中，单差L1 C/A码和多普勒作为观测量进行导航解算。
- Secondly, we expatiate the essential theory of Doppler navigation,then analyze each module of the radar and study work principle and signal process. 其次,阐述多普勒导航的基本原理,并对本雷达的各个模块进行分析,研究其工作原理和信号流程,以便其后的测试系统的组建。
- This wasn't on the navigational computer, sir! 这不在导航电脑上，长官！
- After deeply studying the working principal of supersonic Doppler and electrical compass, We design the Doppler navigation system. 详细研究了声波多普勒测速仪、电罗经工作原理，设计了多普勒导航系统，针对多普勒输出数据周期长和周期时变编写了导航计算程序，进行了数字仿真和实物工作测试，对实测数据进行分析及误差补偿，仿真和实测结果表明该系统具有很高的导航精度；
- It detects landmark, and supplies the navigation computer with location information of the landmark. 它利用对路标的自动识别为飞行器导航计算机提供定位和导航信息。
- We treated the GPS data by Kalman filter to improve the position precision, and the result is adopted to deal with ADF and Doppler Navigation System precision estimating. 本文对GPS的数据采用卡尔曼滤波方法处理，并将该方法应用于实际飞行对无线电罗盘、多普勒导航系统的定向、定位精度考核。
- This paper analyses in detail the signal relation of Doppler navigation radar altitude system which adopts automatic cycle calibration technique during self calibration. 本文详细分析了采用周期自动校准技术的多普勒导航雷达测高装置自校时的信号关系。
- Combining the characteristic of the technical development of navigation, this paper designs a strapdown inertial navigation computer based on DSP. 摘要结合现代导航技术发展的特点，设计了一种基于DSP的捷联惯性导航计算机。
- The only way to solve the problem, save completely re-starting the gate, was to go to each ship individually and re-program its navigation computer to be in synch with the gate. 解决这一问题的唯一办法是，完全保存并重启跳跃门，并到每个船舰上重新编程航行计算机以同步跳跃门。
- The possibility that the pulsed Doppler radar is used as the navigation sensor is analysed ,and two kinds of ways how to use this radar as Doppler navigation sensor are described in this paper. 分析了采用脉冲多普勒雷达作为导航传感器的可能性，并说明了将这种雷达用作多普勒导航传感器的两种方法。
- A simple inertial or Doppler navigation has a common defect that position errors are always increasing with flight time or distance, therefore an external reference system is necessary. 纯惯性导航或多普勒导航的一个共同缺点是:一般都具有随时问或距离增长的位置误差,这就需要有一个外基准系统。
- A virtual instrument based integrated measurement system for Doppler navigation radar is developed. Using direct digital synthesis(DDS)technique,a kind of radar Doppler frequency simulator is introduced. 分析了机载四波束多普勒测速雷达的工作原理,采用直接数字频率合成(DDS)技术进行多普勒频移模拟器的设计,通过数字控制,该模拟器可以产生高分辨率的多普勒频率信号；
- The state equation and error analysis of SINS combined with globe positioning system (GPS) and Doppler navigation system (DNS) were also presented. The simulation in certain condition was made. 给出了SINS与全球卫星定位系统(GPS)、多普勒导航系统(DNS)组合导航系统的状态方程和误差分析,在给定条件下进行了仿真试验。
- In a fog one need only look at one's odometer.No fancy satellite positioning navigation computer geographical information system etc. needed to locate the corner store in emergencies. 紧急状况时不必操作什麽卫星定位导航电脑地理资讯系统等等，来找柑子店的位置。
- The navigation computer based on DSP was designed and the small strapdown inertia attitude heading reference system(AHRS)with low cost was made up successfully for miniature fields. 针对微小型应用场合,设计了基于DSP的导航计算机,成功构建了低成本小型捷联航姿系统。
- The application mode of hamming code and residue code in the fault detection of the navigation computer is particular discoursed,and the model of fault detection is also established. 详细论述了汉明码和剩余码在导航计算机故障检测中的应用方式,并建立了故障检测模型。
- Abstract: Doppler navigation is a kind of independent navigational system, but its real-time speed measuring precision is comparatively low. 文摘:多卜勒导航是一种自主式的导航系统，但其实时测速精度较低。
