本文研究了自适应正交多载波频分复用（AOFDM）中根据估计出的信道特性选择调制方式的问题。
The problem of how to choose the constellation size based on the estimated channel qualities in AOFDM systems is addressed in this paper.
该文提出了一种新的信道估计算法，用于无线移动信道下的正交频分复用系统。
This paper proposes a novel channel estimation method for wireless Orthogonal Frequency Division Multiplexing systems.
采用的新模型与算法有：零阻抗支路处理、正交化算法和量测误差估计等。
Some new models and algorithms are used, they are: zero impedance branch, orthogonal transformations, and measurement error estimation etc.
利用黎曼对称空间同正交对称李代数之间的密切关系及一个矩阵不等式给出了一个复流形上截面曲率的上界的精确估计。
We used the relationship of the Riemann symmetric space and the symmetric algebra, a matrix inequality to provided a estimate sectional curvature of a complex manifold.
提出了一种将正交滤波和非线性扩散相结合的取向估计方法。
This paper presents a method for orientation estimation which combines the quadrature filtering with nonlinear diffusion.
依据随机过程线性均方估计的正交原理，可由水文站获得的海洋要素估计工程点的海洋要素。
From the orthogonality principle in liner mean square estimation of stochastic processes, the sea factor obtained at a project site can be estimated by that at some routine hydrographic station.
本文利用旋转矩阵的正交性，提出了进一步改善原旋转矩阵估计的约束优化方法。
Based on the orthogonality of rotation matrix, a constrained optimization approach is proposed to estimate the rotation matrix.
该文提出了一种新的信道估计算法，用于无线移动信道下的正交频分复用(OFDM)系统。
This paper proposes a novel channel estimation method for wireless Orthogonal Frequency Division Multiplexing (OFDM) systems.
提出了一种基于导频符号的多输入多输出正交频分复用(MIMO - OFDM)系统多频偏估计算法。
A multiple carrier frequency offsets (CFOs) estimation algorithm for multiple Input multiple Output Orthogonal frequency Division Multiplexing (MIMO-OFDM) systems based on pilot symbols was proposed.
为了减小正交频分复用系统受频率偏差的影响，在OFDM系统中设计了一种新的载波频偏估计算法。
To reduce the impact of carrier frequency offset in OFDM system, this thesis designs a new carrier frequency offset estimation scheme for OFDM system.
利用正交多项式序列的正交性及微分算子矩阵，论述了时变非线性分布参数系统参数估计的正交多项式法。
New method of parameter estimation for time varying non linear distributed systems is proposed in term of orthogonality of orthogonal polynomial and differential operation matrix.
我们提出了一种单输入单输出(SISO)正交频分复用时变信道估计方法。
We advance a novel method for the Single-Input-Single-Output (SISO) time-varying channel estimated of orthogonal frequency-division multiplexing (OFDM) systems.
逐次正交化分布式卡尔曼滤波器是对大系统进行状态估计的一种新方法。
The Successive Orthogonalization Decentralized Kalman Filter (SODKF ) is a new method which is used for large system state estimation.
在系数阵空间同样存在正交矢量谱估计方法。
Therefore, the orthogonal vector techniques can be applied to the LPEF coefficient matrix space for spectral estimation.
设计强跟踪滤波的思想是：使得残差序列在每一步相互正交，提取残差序列中所有有用的信息，用作对现时刻系统状态的估计。
The idea of the filter is to make discrepancy orthogonal at each step and get useful information from the discrepancy series as current state estimation.
根据最优化训练序列的设计方法分别讨论了两种最优化训练序列的导频格式：对角正交导频和相移正交导频，分析了在两种不同导频格式下的信道估计算法。
The channel estimation algorithm based on training-sequence method firstly introduces the definition of the training sequence and discusses the optimum training-sequence in MIMO-OFDM system.
通过改进模糊聚类方法确定模糊模型的前件结构，并对模糊推理关系矩阵进行正交最小二乘估计。
The premise structure of fuzzy model is confirmed by the improved fuzzy clustering, and fuzzy relation matrix of fuzzy model is confirmed by orthogonal least square.
提出了一种基于功率谱叠加的交织正交频分多址系统上行链路载波频偏和定时同步联合估计算法。
A joint blind estimation method based on spectrum overlap for uplink interleaved orthogonal frequency division multiple access carrier frequency offset and timing synchronization is proposed.
本文提出用豪斯·霍尔德正交变换算法，求解电力系统的状态估计问题。
In this paper, the Householder orthogonal transform algorithm is used to solve the problems of power system state estimation.
针对电力保护设备的安全性和可信赖性指标要求，研究了基于多正交窗分析的功率谱估计算法，并从计算量的角度出发对算法进行了改进。
Aiming at the security and credibility requirement of power protection equipment, power spectrum estimate algorithm which based on multiple orthonormal tapers is researched and modified in this paper.
正交设计是立足于方差分析模型的，通过方差分析来估计模型中的未知参数。
Orthogonal design which is based on variance analysis model estimates unknown parameters using variance analysis.
提出了一种适用于正交频分复用通信系统的非盲信道估计算法。
A non blind channel estimation algorithm for orthogonal frequency division multiplexing (OFDM) systems in multipath channels was proposed.
目前，一种普遍的解决方法是将空时码与正交频分复用（OFDM）相结合，但需要假定信道变化缓慢，从而有足够的时间通过发送训练序列来进行信道估计。
Now, a general solution is that combining STC with OFDM, but it is supposed that the channel changes slowly, so there is enough time to transmit the training sequence for channel estimation.
本文基于正交计算灵敏度的极大似然估计算法研究了弹性飞行器的气动参数辨识问题。
In this paper, the aerodynamic parameter identification of elastic aircraft is studied by the maximum likelihood estimation algorithm using, orthogonal test table for computing sensitivities.
将联合最大似然分组半盲估计算法应用于正交频分复用系统。
Joint ML block semi-blind channel estimation is applied to OFDM system.
正交频分复用技术以其多种优势成为低压电力线宽带通信的最佳选择，信道估计是正交频分复用系统的关键问题之一。
Due to many advantages of Orthogonal Frequency Division Multiplexing technique, it becomes the best choice for low-voltage power line broadband communication.
当使用三基线的天线阵时，在飞行机动较大的情况下采用近似正交布局的天线结构可以更好地估计姿态。
When three baselines are used, during the maneuver of the vehicle, the baselines that are nearly orthogonal can estimate the attitude better than other frames of baselines.
方法首先讨论了对传统抗呼吸干扰的相干平均法改进，同时提出了估计拟合呼吸波和时域切比雪夫正交多项式消除呼吸干扰的方法。
Method The improvement of coherent averaging method of Reducing respiratory Interference was discussed, and evaluation-fitting respiratory wave and filter of Chebyshev's polynomial as presented.
利用信号子空间和噪声子空间正交性，可以实现超分辨波达方向(DOA)估计。
The orthogonality between the signal subspace and the noise subspace is widely employed to implement the Direction of Arrival (DOA) estimation.
在相干光正交频分复用系统中，本文提出了一种新型的基于循环前缀和虚载波的盲频偏估计方法。
A new blind frequency offset estimation method based on cyclic prefix and virtual subcarriers in coherent optical orthogonal frequency division multiplexing (CO-OFDM) system is presented.
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