• This paper proposes a carrier phase tracking loop dedicated for VSB demodulation.

    本文提出了一种专门用于数字VSB解调的载波相位跟踪

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  • A novel Frequency and Phase Tracking Locked Loop (FPTLL) is proposed in this paper.

    本文介绍了一种新型频率相位追踪锁定环路FPTLL)的设计。

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  • An alternating current phase tracking (PTAC) homodyne scheme has been used to process output signal of the Michelson interferometer.

    信号处理过程采用交流相位跟踪零差补偿技术(PTAC)。

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  • A new method based on phase tracking algorithm and ray tracing algorithm is proposed for measuring the three-dimensional (3-d) shape of object in water.

    提出一种基于相位追踪光线追算法测量水中物体形貌方法

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  • An adaptive zero-phase tracking control algorithm is developed, and with which the servo system is able to track accurately a given non-circular high order special curves.

    提出了零相位跟踪控制算法使控制系统给定非国特殊曲线具有很高跟踪精度从而保证了非轴类表面磨削加工精度。

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  • A parallel operation control method based on a modulated phase tracking method was designed for high reliability requirement of uninterrupted power supply used in gun command system.

    针对火炮指挥系统供电电源可靠性要求设计一种采用相位调制跟踪全数字式电源并联系统。

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  • Because of the frequency lock loop traction PLL filter can be designed very narrow, with very good noise suppression performance, to meet the precise requirements of carrier phase tracking.

    由于频率牵引锁相环路滤波器可以设计具有好的性能满足精确跟踪载波相位要求

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  • The closed expression form of the maximum carrier phase tracking error caused by multipath effect is derived in this paper based on multipath signal characteristics and GPS receiver work mechanism.

    推导了GPS接收机中多效应引入最大载波相位跟踪误差闭合形式

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  • The hybrid integrated optical accelerometer is a kind of practical accelerometer, which adopts optical phase modulation and alternating current phase tracking and homodyne compensation scheme (PTAC).

    混合集成光学加速度种实用型的实时加速度传感器,在信号处理过程中采用了相位调制交流相位跟踪差补偿技术(PTAC)。

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  • This algorithm combines the block Pilot-aided LS channel estimation algorithm with a phase tracking algorithm, which can compensate the phase rotation caused by the residual carrier frequency offset.

    算法在传统的基于块状Ls信道估计算法的基础上,加入相位跟踪算法,补偿残余频偏带来相位旋转

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  • Identifying a list of core tasks will help you call out all the other details in your planning phase, project plan, estimation, and tracking.

    确定核心任务列表有助于列出计划阶段项目计划评估跟踪中的所有其他细节

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  • The system uses time-frequency tracking loops to extract phase errors from data subcarriers with frequency interpolation to compensate for the estimated carrier frequency offsets.

    方法使用了时同步跟踪环路数据载波提取相位误差,并利用域插值补偿多个用户的估计

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  • The working processes of the frequency-tracking phase-shift PWM controlled full bridge power supply load series resonant type DBD ozone generation power system are analyzed.

    系统分析了频率跟踪移相PWM控制供电串联谐振负载DBD型臭氧发生器电源系统工作过程

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  • Zero phase error tracking controller was served as the feed-forward controller to improve the fast tracking performance of the system, thus exactly tracking of the system was implemented.

    相位误差跟踪控制器作为前馈跟踪控制器,提高快速性使系统实现准确跟踪。

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  • Coordinate related quality issues tracking and feedback work within new project launch each phase, and do preparation for quality valve meeting.

    负责协调项目启动阶段相关质量问题跟踪反馈质量会议准备工作

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  • The output tracking problems of non minimum phase systems are very difficult, because the internal dynamics of the systems are unstable.

    由于系统内部动态稳定,最小相位系统的输出跟踪问题一个具有挑战性非常困难的问题。

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  • The results indicate that the adaptive algorithm offers adequate tracking performance for time-varying phase and gain errors, reducing the matching requirements of the analog front-end.

    结果表明这种自适应算法对时变幅误差具有优良跟踪性能同时降低了对模拟前端的匹配要求

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  • When using Kalman Filter to track a target, estimation of the initial state of the target is an important factor influencing tracking precision in the initial phase.

    采用卡尔曼滤波器目标进行跟踪,目标初始状态估计影响初始阶段跟踪精度一个重要原因

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  • The beams pointing, tracking and combining can be realized quickly by means of the phase control of the synthetic aperture system.

    利用光束合成孔径系统,通过控制子孔径系统发射光束的相位可以实现光束的快速瞄准跟踪合成

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  • Coordinate qualification team member to update sourcing items status in material tracking sheet weekly before each phase production such as beta build, pilot run and ramp up run.

    协调部品认证/本地化团队内部,及时更新材料跟踪表格中的本地化部件状态

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  • It is studied the problem of tracking a ballistic object in reentry phase from radar observations.

    研究了通过雷达观测跟踪重返大气层阶段弹道目标问题

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  • Due to steady phase error, low-order PLL has a trouble in tracking frequency ramp signals, so that the receiver cannot lock carrier signals.

    跟踪频率斜升信号时产生的稳态相差致使环路失锁,接收机无法锁定载波信号。

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  • In this peper, it is discussed about the laser radar's angular tracking errors caused by atmospheric turbulence which results in intensity fluctuation and phase fluctuation.

    本文讨论大气湍流引起强度起伏相位起伏对激光雷达跟踪系统测角精度影响。

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  • High precise measuring and tracking of carrier frequency-deviation is necessary to the realization of a high performance phase locked loop in carrier recovery.

    载波恢复高精度频偏检测跟踪高性能相位环路实现必要条件。

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  • The phase difference between the signals from beam forming net can affect the modulation index of single channel signal and can lower the precision of tracking.

    网络输出和差信号相位差影响通道信号制度,进而降低跟踪精度

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  • In the initiation phase, a pilot symbol sequence designed is capitalized to assure frame-level acquisition and pulse-level tracking.

    初始阶段, 通过设计序列实现帧级的捕获脉冲跟踪

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  • However, there are some problems existing in traditional defect tracking approach, which include limited scope (only in coding phase) and inefficient collaboration process.

    然而传统缺陷跟踪技术存在一定不足主要包括局限于编码阶段的缺陷管理、协作过程效率不高等

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  • Cost management and tracking the budget during the design phase is not difficult, and it is a worthwhile goal.

    成本管理跟踪预算设计阶段并不个有价值的目标。

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  • The new learning control rule not only incorporated a state compensation in the conventional ILC formula but also adopted the wavelet transform to filter learnable tracking errors without phase shift.

    控制算法中,除了传统算法基础上增加了状态补偿外,引用了小波变换来对跟踪误差进行了滤波而没有相位补偿

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  • The new learning control rule not only incorporated a state compensation in the conventional ILC formula but also adopted the wavelet transform to filter learnable tracking errors without phase shift.

    控制算法中,除了传统算法基础上增加了状态补偿外,引用了小波变换来对跟踪误差进行了滤波而没有相位补偿

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