查询词典 adaptively

Based on characteristics of human visual system, including texture/contract masking property and sensitivity of frequency, and combining with wavelet multi-resolution theory, a novel just noticeable difference model that can embed watermark adaptively is proposed.

用该模型可使指纹特征信息生成的数字水印自适应嵌入合成的指纹图像中，提高了指纹认证系统的可信度。

The authors analyze the operation characteristic of distance protection of transmission line connecting wind farm with power grid under the variation of parameters such as the amplitude ratio of electromotive force at both sides, the phase difference of electromotive force at both sides, equivalent impedance of sources, system frequency and so on; based on the real-time current and electromotive force at wind farm side as well as the information of wind power generators participating power generation, a method to adaptively set the operation boundary of distance protection by use of the information at wind farm side only is proposed.

文章分析了风电场和电网联络线的距离保护随电源电势幅值比、电势相位差、电源等效阻抗、系统频率等参数变化时的动作特性，并基于风电场侧的实时电流和电势与参与发电的发电机信息，提出了仅利用风电场侧信息量自适应整定保护动作边界的方法。

The transmitter updates the modulation mode, chooses the optimal transmission vector adaptively and retransmits data automatically by outdated feedback information.

推导了系统在时延反馈条件下的频谱效率和中断概率的闭合表达式，分析了时延反馈对于系统性能的影响。

Using the non-linear mapping mechanism and the ability in learning adaptively of DPNN against time sequence samples, we train these samples and can determine the DPNN that meets time sequence state transition constraint relations of Markova chain. The connection weight matrix of the DPNN is regarded as the equivalent state transition matrix of Markova chain.

利用DPNN对时间序列样本的非线性映射机制和自适应学习能力，可通过对时间序列样本集的训练，确定满足Markov链时间序列状态转移约束关系的DPNN，并将其连接权矩阵作为Markov链等效状态转移矩阵。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。