通过对同相双载波补偿控制(PDDRCC)和反相双载波补偿控制(PODRCC)两种方法进行分析，得出PODRCC方法更易于实现且可靠性高。
Analysis of Phase Disposition Double Ramp Comparison Control (PDDRCC) and PODRCC methods show that PODRCC method is easier to achieve and attains higher reliability.
为改善传感器的性能，微弱光强信号的检测需要载波调制和双光路补偿。
To improve its performance, a carrier modulation and double light route compensation are necessary for detecting faint optical power signals.
GPS姿态测量通常采用双差载波相位观测量，因此整周模糊值解算成为GPS实时姿态测量的关键问题。
Integer ambiguity resolution is the key problem of GPS based real-time attitude determination system which use double differencing carrier phase observables.
对单个历元的双差载波相位观测方程进行零空间变换，避免了实时变化的三维位置参数求解；
It transforms the double-differential carrier observation equation using null space transformation so that it need not to resolve real-time three-dimensional position parameters.
针对全组合系统进行了研究，建立了相应的误差模型和系统观测模型，特别是组合系统下的GPS载波相位双差观测模型。
Such a system is discussed in this paper, and the corresponding error model and measurement model, especially double-differenced GPS carrier phase model are set up.
针对直接序列扩频通信中的载波恢复问题，提出了一种基于自适应算法设计的双pll载波跟踪方法。
For the problem of carrier recovery in DS-SS communication, the model of dual PLL is presented, which is designed based on the auto -adapted algorithm.
提出利用双向载波捕获体制(双捕)提高通信链路的抗干扰性能，并分析其抗干扰机理。
Using Both -capture to Improve the Performance of Communication 's Link is presented and analyzed.
针对单信道中时频重叠双信号的载波频率估计问题，提出一种基于二阶循环累积量的载波频率估计方法。
Aiming at time-frequency overlapped two-signals in single-channel, this paper proposed a method to estimate carrier frequency based on second-order cyclic cumulants.
针对水声通信网单信道MAC协议时延长、吞吐量低、数据冲突频繁的缺点，提出了水声通信网的载波侦听双信道mac协议。
As the large delay, low throughput and frequent data collision in single-channel underwater acoustic networks, this paper devises a dual-channel MAC protocol based on carrier-sense.
采用双剪应力强度理论，考虑材料的拉压强度比，求解了简支圆板在爆炸冲击荷载波荷载作用下的动力响应问题。
The dynamic response of a simply supported circular plate under moderate impulsive loading is solved with the unified strength theory.
本文提出一种变载波双曝光错位云纹干涉法，将变形信息的记录过程与错位分析分开进行。
A Shearing Moire Interferometry is proposed. 3-d displacement informations are recorded on the same plate by double-exposure method.
本文提出一种变载波双曝光错位云纹干涉法，将变形信息的记录过程与错位分析分开进行。
A Shearing Moire Interferometry is proposed. 3-d displacement informations are recorded on the same plate by double-exposure method.
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