• 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环。

    youdao

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

    载波恢复中高精度的频偏检测与跟踪是高性能锁相位环路实现的必要条件。

    youdao

  • And then through the research of acquisition and tracking algorithm in Phase-Locked Loop, we master more of the tracking characteristics, and understand their own deficiencies of the acquisition.

    通过锁相环捕获与跟踪算法的研究,更为全面的掌握了环路的跟踪特征以及捕获特性本身的缺陷。

    youdao

  • In the system, we adopt a balance channel frequency offset structure, phase locked IF tracking technique and opened loop precorrection.

    在系统结构上采用了平衡通道频率补偿技术、中频锁相跟踪技术和开环预校正技术。

    youdao

  • All digital Phase-Locked Loop frequency tracking and digital SPWM realization technology based on FPGA are emphasized in the research.

    重点研究了基于FPGA的全数字锁相环频率跟踪技术和数字化SPWM实现技术。

    youdao

  • At tracking stage, after analysis the characteristics of the In-phase code tracking loop, the paper USES the In-phase and Quadrature code tracking loop to track the code phase.

    跟踪阶段,分析了同相码跟踪环的特点,然后根据其不足之处,选择同相正交码环来对码相位进行跟踪。

    youdao

  • In the process of signal digital intermediate-frequency received, digital down convertion, frequency tracking of carrier and phase locked loop are the keys.

    在信号的中频数字接收过程中,数字下变频、载波频率与相位跟踪是设计的关键所在。

    youdao

  • This paper presents a simple tracking filter circuit, which is applicable to Doppler radar sets and consists mainly of a switched bandpass filter and a phase-locked loop.

    本文提出一种简单的跟踪滤波器电路,该电路可用于多普勒雷达,主要由开关式带通滤波器和锁相环组成。

    youdao

  • 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.

    由于有锁频环的频率牵引,锁相环路滤波器可以设计得很窄,具有很好的抑噪性能,满足精确跟踪载波相位的要求。

    youdao

  • The paper studies digital control scheme of resonance inverter frequency-tracking based on all digital phase-locked loop.

    本文主要研究了基于全数字锁相环的谐振型逆变器频率跟踪的数字化控制方案。

    youdao

  • 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。

    youdao

  • The design of precise position tracking loop for DRTS with fast digital phase-locked loop is described.

    本文提出一种用于光盘径向伺服系统的带有快速数字锁相环的精密位置跟踪环路的设计方案。

    youdao

  • The design of precise position tracking loop for DRTS with fast digital phase-locked loop is described.

    本文提出一种用于光盘径向伺服系统的带有快速数字锁相环的精密位置跟踪环路的设计方案。

    youdao

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