可变步长

在分析传统LMS算法及其改进算法的基础上，提出了一种新的可变步长LMS算法，新算法采用梯度矢量的平均值的平方值调整步长。

Following a brief discussion on traditional LMS and its improved algorithm , a new LMS algorithm of variable step size is proposed . The new algorithm make use of the square of average grads to produce the new variable step size .

可变步长LMF自适应多用户检测器

A Modified LMF Algorithm with Variable Step Size for Multi-user Detector

一种WiMAX上行可变步长功率的控制算法

A WiMAX Uplink Power Control Algorithm with Variable Step

在研究过程中，对LMS自适应滤波算法进行了改进，将固定步长μ，修改为可变步长函数μ（n）。

In the process of research , improve adaptive filter algorithm . Change the fix step size μ to a function μ( n ) .

介绍一种基于改进的可变步长规格化最小均方差（NLMS）回声消除算法研究和它的DSP实现。

The paper introduces acoustic echo cancellation algorithm that is based on the improved and variable step size NLMS and it 's DSP implementation .

基于固定步长和可变步长两类LMS自适应算法抑制非接触生命参数检测系统自抖动干扰效果的研究；

3 ) Studying the effects of constraining the self-dithering interference based on fixed step-size ( FSS ) and variable step-size ( VSS ) LMS algorithms .

采用控制加权可变步长单纯形算法对PTC氨基酸的毛细管胶束电动色谱分离体系进行动态优化。

The systematic optimization for the MEKC separation of PTC amino acids by using a dynamic scouting optimization method controlled weighted centroid variable size simplex algorithm was established .

ASPC算法是基于改变功率控制步长的可变步长功率控制算法。

The ASPC algorithm is based on a modification of the transmitted power update step size .

本文提出了一种将自适应天线阵列与横向均衡器相结合、采用局部基于码片速率的信道估计和可变步长自适应算法的宽带CDMA上行链路空-时接收机结构。

A novel spatial-temporal receiver structure for wide-band CDMA reverse link is proposed . This structure is based on the technical combination of adaptive antenna array and transversal filter , together with the chip-rate channel estimation and variable step-size adaptive algorithm .

采用过采样和数字滤波技术，增加了模拟信号的转换位数，增大了AGC的动态范围；采用可变步长设计加快了AGC的收敛速度。

The conversion precision of the analog signals and the dynamic range of the AGC are increased by the over sample and digital filter technologies , and the convergence rate of the AGC is speeded up by variable step .

提出了一种自适应可变步长最小方差算法（λNVSS），以解决基本最小方差算法LMS中收敛速度和稳态误差之间的矛盾。

In this paper , a novel LMS ( Least Mean Square ) algorithm with adaptive variable step size , namely ,λ NVSS , is proposed to solve the trade-off between the misadjustment and the convergence speed .

本文介绍了DTI的原理、数据采集与处理方法，提出了一种可变步长的纤维跟踪方法，并以VC++/ITK/VTK为开发工具实现了DTI分析和纤维跟踪与可视化。

In this paper , a background on the acquisition and mathematics of DTI is discussed and a novel step-variant fiber tracking model is proposed . Finally , a visualization platform for DTI analysis and fiber tracking is accomplished with VC + + / ITK / VTK .

可变步长的投影梯度算法与交通网络流量分配

Gradient projection with variable step and network traffic assignment

基于四维混沌系统可变步长生成二值序列的方法及其加密应用

A Novel Variable Step Size Approach for Generating Binary Chaotic Sequences and Its Application to Image Encryption

在此基础上，本文还提出了一种可变步长的自适应功率控制方案，并对其作用门限的选取作了仿真实验。

The paper proposes a variable-step adaptive power control scheme ( ADPC ) and choses an optimum operation threshold .

运用可变步长自寻优算法并引入修正因子可在线优化热效率设定值。

Changing-step and correcting factor are applied to auto-tracking optimum algorithm to online optimize the set-point of thermal efficiency .

在光束投射法的基础上，结合三维线性插值和参数化光线等技术，并加入加权因子，提出一种基于可变步长的数字重建放射图像生成算法；

On the basis of ray-casting , a very fast variable step-size based algorithm for digitally reconstructed radiograph is presented ;

接着，在理论分析及模型仿真的基础上建立了基于梯度最优迭代的线宽展宽因数的测量算法，提出了改进的梯度迭代公式，并在参数迭代时引入了可变步长。

Secondly , the gradient-based optimization algorithm of measuring a is established after theory analysis and model simulations . New iterate formula is presented and alterable step is introduced when parameters are updating .

基于龙格库塔公式，本文提出了可变步长的龙格库塔法用于计算多波长光纤拉曼放大器传输方程。

A numerical analysis with variable steps for standard propagation equations of fiber Raman amplifiers with multiple wavelength pumps is presented and derived , for the first time based on Runge Kutta formula .

针对特征点的分布规律给出一个可变步长的搜索方法，该方法兼顾搜索速度与搜索结果精度，最后根据特征点的位置获得扫描人体的特征尺寸并且生成人体骨骼。

Focusing on the distribution rule of feature points , a searching method based on changeable step size was presented . This method performed well in both speed and accuracy , and could finally acquire feature sizes and generate body skeleton according to the location of features points .

一种可变搜索步长的UWB同步捕获算法

A Timing Acquisition Algorithm with flexible search step sizes for UWB Signals

此时，引入一个可变全局步长参数的对角矩阵，通过使后验误差向量等于干扰信号向量，推导出了适用于PAPA的可变步长方法。

In this case , it is necessary to introduce a diagonal variable step-size matrix . By forcing the the a posterior error vector to be the disturbance signal vector , after the similar process , a variable step-size method is achieved for PAPA .

本论文提出可变全局步长参数的系数比例自适应算法，很好地解决了这个问题。

In this dissertation , a variable step-size is proposed for proportionate adaptive algorithms to solve this problem .

在发生碰撞时，采用可变积分步长的方法提高系统的稳定性。

When the collision happens , we use the method of changeable integration step to improve the simulation systems stability .

在第四章以ABFTM为例，给出一种采用可变仿真步长的事件调度法对自适应带宽分配机制进行仿真的方案。

In the fourth chapter , a simulation method of the adaptive bandwidth allocation mechanism is proposed . This simulation method uses the event scheduling which is variable step .