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自回归滤波器
相关语句
  “自回归滤波器”译为未确定词的双语例句
     Research on the Auto Regression Filter
     自回归滤波器的研究
短句来源
     Design of an Auto Regression Model Filter
     自回归滤波器的设计
短句来源
  相似匹配句对
     Research on the Auto Regression Filter
     自回归滤波器的研究
短句来源
     Design of an Auto Regression Model Filter
     自回归滤波器的设计
短句来源
     Auto tracked Filter
     自动跟踪滤波器
短句来源
     Filter in hydraulics
     液压滤波器
短句来源
     On a Class of Nonlmear Autoregressive Models
     非线性自回归模型
短句来源
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  autoregressive filter
The autoregressive filter order is optimized in the sense of minimum variance of the peak location.
      
A first-order autoregressive filter is altered by changing the constant gain to two or more gains that cyclically alternate in time.
      
The Operator Valued Autoregressive Filter Problem and the Suboptimal Nehari Problem in Two Variables
      
Necessary and sufficient conditions are given for the solvability of the operator valued two-variable autoregressive filter problem.
      
By minimizing the square errors of forward and backward predicting filters, autoregressive filter coefficients can be recursively solved, and receiver function is also estimated in the similar procedure.
      


China's defence needs motivate the authors to study the generation of background noise that satisfics stringent requirements. The spectral structure of simulated background noise should approach closely that of real background noise and the simulation should be real-time.There appears to be no ready made solution for the above problem in the open literature. For example, AR (autoregrcssive) filter is, in the authors' opinion, needed for solving the problem but its detailed design for the authors special purpose,...

China's defence needs motivate the authors to study the generation of background noise that satisfics stringent requirements. The spectral structure of simulated background noise should approach closely that of real background noise and the simulation should be real-time.There appears to be no ready made solution for the above problem in the open literature. For example, AR (autoregrcssive) filter is, in the authors' opinion, needed for solving the problem but its detailed design for the authors special purpose, is not available.In the design of the needed AR filter, the authors make use of ten equations: eqs(3)~(12), which arc all well-known. The authors call their inverse-design method 'the AR data model fitting technique", in which the essential feature is that frequency response of AR filter is made to approach as closcly as possible the spectral structure of background noise. Only an outline of the inverse-design method is given in the full paper. To make real-time operation possible, much careful attention is paid to making purchased TMC 2310 and TMS320C25 chips form core of AR filter so as to provide VLSI support.The above AR filter with its VLSI implementation has been functioning satisfactorily in several operational engineering systems.

讨论了一种用自回归(AR)数据模型拟合生成具有指定功率谱结构的背景噪声的方法及其VLSI实现,提出了一种基于VLSI支持的双自回归滤波器,完成了对这种滤波器的设计方法—逆设计方法—的研究和它的工程建造工作.一个实际应用系统运行的结果,证明了这种背景噪声模拟方法的正确性及技术实现的合理性.

The doppler-shift of the time-varying multi-path channel was estimated by calculating the level crossing rate (LCR) of the signal envelope of the channel coefficient estimates on the effective fingers. Because of the needed long observation time and large storage, we recommend to use the 1st order autoregressive(AR(1)) filter to shorten the observation time and storage requirement, and the estimation accuracy is guaranteed at the same time .

时变多径信道的多普勒频偏可以利用有效到达径上信道包络的电平通过率进行估计,而可靠的估计需要足够长的观察时间长度和较大的存储量,文章利用一阶自回归滤波器进行改进,从而使得通信系统在各种移动速度和信噪比下,都能在较短的观察时间长度内以较小的存储量得到可靠的多普勒频偏估计值。

Beam string structure (BSS) is a kind of new long-span spatial structure, which has been developed in the past few years. Because of its long span and small integral stiffness, the vibration of this kind of structure induced by wind is intense. If the general static analysis is used for analyzing its response induced by wind, the precision is low, but the method of time domain analysis may improve the precision. Take a plane BSS for example, the method based on the ap- plication of linear filters to sequences...

Beam string structure (BSS) is a kind of new long-span spatial structure, which has been developed in the past few years. Because of its long span and small integral stiffness, the vibration of this kind of structure induced by wind is intense. If the general static analysis is used for analyzing its response induced by wind, the precision is low, but the method of time domain analysis may improve the precision. Take a plane BSS for example, the method based on the ap- plication of linear filters to sequences of random numbers is used. Artificial wind time speed series with outstanding time and space correlativity areimplemented by programming Matlab. Then, transient analysis of beam string structure is done byperformingANSYS, andwind-induced vibration responseand wind-induced vibration coefficient are got, on the basic, with two fundamental parameters changed, the influence of the two parameters on wind-induced vibration response and wind-induced vibration coefficient is analyzed, some meaningful conclusions are got, which are used for directing the de- sign of the beam string structure.

张弦梁结构是近些年在国内发展起来的一种新型的大跨度空间结构形式,由于其跨度大,整体刚度小,在风的作用下振动比较明显,故用现有规范中的等效静力法分析计算这种结构在风荷载下的响应精度太低,而采用时程分析的法可大大提高分析的精度,本文以一平面张弦梁为例,采用线形自回归滤波器法,模拟节点随机脉动风速时程,运用Matlab编程有效地模拟具有时间相关,空间相关性的脉动风速时程.然后在ANSYS中对此张弦梁结构进行瞬态分析,得到风振响应与风振系数,在此基础上改变两种基本参数,考察各参数对张弦梁风振响应及其风振系数的影响,得到一些有意义的结论,供张弦梁结构的工程应用考虑.

 
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