After the mathematics principle which use simulating well and guassian probability distribution are reviewed , the simulation method of correlation gaussian clutter based on ar model is presented 回顾了产生均匀分布、高斯分布随机序列的数学原理，提出了基于ar模型的相关高斯杂波仿真方法。
The period of stock market is studied by wavelet decomposition ; 4 . one algorithm is introduced to predict the trend of stock market with wavelet analysis and ar model ; 5 利用小波分析的变焦特性研究了股市周期性，并对其成因进行分析； 4 ，提出了一种基于小波分析及ar模型的股市趋势预测算法； 5
Validated by the experiments , ar model spectrum estimation method is a good way to process flow signal and the results of it is more accuracy than the results that gain by count method 通过实验验证， ar模型谱估计可以作为一种较好的方法，用来处理流量计的输出信号，并且此方法得出的结果比计数方法得出的结果精度高。
After measuring and analyzing the vibration acceleration of a armored vehicle ' s gearbox , the ar model of single and multiple input - output system are established and the parameters are classified 通过对装甲车辆齿轮主传动系统的振动信号测试与分析，分别建立了单输入单输出及多输入多输出系统的受控ar模型，辨识了系统参数。
Based on the statere configuration system , an unknown input observer is presented for the prediction of time series . the approximate error of the ar model is regarded as the unknown - input of system 以实时拟合时间序列的线性ar模型作为时变系统的已知线性部分,将拟合误差作为时变系统的未知输入,实现了系统状态的多步预测。
And it improves the ber performance under the low snr condition . then the theory of the ar model and the random performance of the spread spectrum sequence , including co - correlation , balance are discussed 主要讨论了ar参数模型提取扩频码的基本思想和实现模型,并分析了提取出的扩频码的随机性能,包括相关性,码平衡特性和游程特性。
Ar model algorithm and fft algorithm for resolving power spectrum is compared as well . it shows that ar model algorithm is better than fft method . analyzing 15 minute hrv ( sit ) of 23 healthy persons by using ar and fft method 对23例正常人(坐姿) 15分钟hrv信号分别采用fft和现代谱估计得到的功率谱进行统计，发现两种方法所得vlf 、 lf 、 hf基本吻合(相同性别相应年龄段) 。
In the end , the detection algorithms of ar model of sea clutter are been studied . the ar - glrt and ar - rao detection algorithms that assume sea clutter ar model are been derived , and the performances are been simulated and analyzed at large 最后是关于海杂波ar模型的检测算法,将杂波建模为ar模型推导了ar - glrt和ar - rao检测算法,对它们的检测性能进行了仿真,对仿真结果进行了详尽的分析。
Secondly , overcoming drawback of single variable fitting ar models lacking of other variables acting on factor variable , a set of the trace formulas are given about the time - change coefficient matrixes of multivariable fitting ar models 2应用逐段线性化的方法推导出了多维ar （ r ）自适应模型时变系数矩阵的递推公式，克服了单变量ar （ r ）自适应模型没有考虑其他变元对因变元的作用的缺陷。
The fact that the local dynamical model has superior performance of predicting the reverberation sequence to the classical random ar model also reveals that the reverberation is more suitable for the deterministic model 比较经典的随机ar模型和局部动力学线性模型的预测性能，发现后者平均相对误差小，可预测长度长。这个事实在一定程度上(至少从预测的角度看)说明混响过程更适合于确定性建模。
