查询词典 adaptive

Chaper 3 is general description of ADA encryption. Chapter 4 deals with the transform domain encryption. Includes the element of perfect and quasi-perfect transform domain encryption, and presents two type new schemes. Chapter 5 deals with asynchronous ADA encryption. Extends the general theory and model of asynchronous ADA scrambling, and introduces two type phase-distortion-free a synchronous ADA schemes. Chapter 6 is about new direction of ADA encryption. Includes TASI scrambling, transform domain dummy insertion scrambling, noise coving scrambling and other multi-dimension ADA scrambling, and proposes an adaptive dummy spectrum insertion asynchronous scrambling and a new adaptive noise-coving DFT scrambling algorithm. Chapter 7 is on permutation key. presents part results on permutation features, selecting criterion and constructing method. Chapter 8 introduces the hard and software design of a common ADA encryption/decryption system, and presents the experimental results on several proposed ADA encryption schemes.

第一章为绪论；第二章为语声信号、及其处理基础；第三章为模数模加密的一般描述；第四章为变换域加密研究，包括变换域加密机理，变换域完善与准完善保密研究，提出两种新的变换域加密方案；第五章为异步模数模加密研究，扩充了异步模数模加密的一般理论，介绍了两种新的无相位失真异步加密方案的原理与实现方法；第六章对模数模加密新方向：TASI应用途径、变换域伪谱插空置乱、噪声掩盖、多维置乱加密的原理和方法进行介绍，提出了自适应伪频插空异步模数模置乱算法与自适应DFT系数噪声掩盖置乱新算法；第七章为置换密钥性质、筛选准则以及构造方法研究的部分结果；第八章介绍了通用模数模加/解密实验系统的硬件、软件研制概况，并给出了几种加密方法的实验结果。

By using diffeomorphism containing estimated parameters, we propose a new nonlinear adaptive control strategy for non parameter—pure feedback systems. We also make some improvement for the nonlinear adaptive strategy proposed by I.

研究了实际系统可能存在的一类不确定性——参数不确定性情况下的非线性自适应控制，对已有的非线性自适应控制方法进行了分析和分类。

As a result, a simple control method can not improve the dynamic performance of speed servo system. Integrated the advantages of self-adaptive control, fuzzy control and PID control, an intelligent dual module NC servo controller, called self-adaptive fuzzy PID controller is designed according to the modular design principle.

在光干涉弹流油膜测量系统中，速度伺服系统的控制参数和结构参数是影响速度伺服系统性能的主要因素，且具有时变性和不确定性，采用单一的控制策略很难达到提高速度伺服系统的动态性能的目的。

Study of adaptive processing especially RR adaptive processing based on eigenspace facilitates to probe the optimum rank reduction scheme in theory.

有两种基本的自适应处理结构，一种是直接形式的处理器，另一种是广义旁瓣相消器。

Standard Kalman filter strongly depends on the system mode and the statistical characteristic of noise,unfortunately,an accurate mathematical model of system is difficult to set up,so a new adaptive algorithm is presented based on federated felting and the adaptive estimation.

针对标准卡尔曼滤波器对系统的模型和噪声的统计特性依赖性强，而系统的准确数学模型难以建立的问题，结合联邦滤波和自适应估计理论，提出了一种基于联邦滤波的自适应算法。

Adaptive filter theory, method and advantages are expatiated based on the analysis of FOG principle, random signal process and statistical mathematics. Then the main algorithms of adaptive filter – LMS and RLS are analyzed in detail.

在分析了光纤陀螺的基本原理、随机信号与统计分析等数学理论的基础上，阐述了自适应滤波的原理、方法和意义，接着对自适应滤波中的LMS和RLS算法在理论上进行了详细的分析，针对VG941的数据特点进行软、硬件设计。

First, the plant and the dynamic model are derived and analyzed. Next, PID controller, adaptive fuzzy controller and adaptive sliding mode controller are established and linear guide produce friction is compensated by Tustin model. From simulation and experiment results, possible implementation, and satisfactory performances, and have been demonstrated.

首先，我们先设计与实现定位系统受控装置并且对其建立与分析系统之动态模型，而后则分别建立PID控制器、适应模糊控制器与适应滑动模式控制器并且对滑轨之摩擦力作补偿设计。

Based on the adaptive interference canceling theory and the concept of space vector, an adaptive fundamental positive/negative sequence component and harmonic component detecting method is developed.

浙江人学博t学位论义摘要以HVDC－VSC的暂态数学模型为基础，建立了HVDC－VSC的等效仿真模型。

In accordance with the generating principle of line echo and after analyzing main echo cancellation algorithms, and after in-depth study on the core algorithms of all the module of adaptive echo canceller, in particular, adaptive filtering algorithm and double talk detection algorithm, considering with complexities and capabilities of all the candidates, this paper chooses NLMS algorithm to implement echo canceller.

首先，对回波产生原理和目前几种常用回波消除算法进行了分析，在研究自适应回波消除器的各个模块，特别是深入分析各种自适应滤波算法和双讲检测算法，综合考虑各种算法的运算复杂度和性能的情况下，这里采用NLMS算法实现白适应回波消除器。

On the basis of variation characteristics of ship speed error model, a ship speed regulator using the on-line adaptive error model is proposed in this paper. The control scheme is based on back propagation multi-layer perceptrons adaptive neural network in which a modified hyperbolic tangent function is used as the activation function of an auto-tuning neuron and is updated by the steepest descent method.

在分析船舶航速误差模型变化特性的基础上，应用激励函数的自适应神经网络和最陡下降法的非线性优化技术，提出了自适应学习误差模型控制方法，应用于船舶柴油机调速器控制系统。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。