杭州电子科技大学学报
杭州電子科技大學學報
항주전자과기대학학보
Journal of Hangzhou Dianzi University
2015年
5期
36-39
,共4页
均匀量化%带宽受限%扩展卡尔曼滤波%量化误差
均勻量化%帶寬受限%擴展卡爾曼濾波%量化誤差
균균양화%대관수한%확전잡이만려파%양화오차
uniform quantization%bandwidth constraint%extended Kalman filter%quantization error
介绍了传输信道中传感器节点能量和带宽有限的问题,并进一步提出了带宽受限情况下首先进行量化处理的特点. 指出状态非线性量测为线性的模型采用量化处理的扩展卡尔曼滤波与同样条件下未采用量化处理的扩展卡尔曼滤波相比,从量化误差、量化份数两方面对滤波器的性能进行研究,此方法能在带宽小情况下,具有量化误差同样小的优点,并利用计算机对一类状态非线性量测线性模型的仿真结果有效性进行了实验分析. 从而得出此类特定系统在带宽有限时,运用此量化策略同样可降低量化误差的结论.
介紹瞭傳輸信道中傳感器節點能量和帶寬有限的問題,併進一步提齣瞭帶寬受限情況下首先進行量化處理的特點. 指齣狀態非線性量測為線性的模型採用量化處理的擴展卡爾曼濾波與同樣條件下未採用量化處理的擴展卡爾曼濾波相比,從量化誤差、量化份數兩方麵對濾波器的性能進行研究,此方法能在帶寬小情況下,具有量化誤差同樣小的優點,併利用計算機對一類狀態非線性量測線性模型的倣真結果有效性進行瞭實驗分析. 從而得齣此類特定繫統在帶寬有限時,運用此量化策略同樣可降低量化誤差的結論.
개소료전수신도중전감기절점능량화대관유한적문제,병진일보제출료대관수한정황하수선진행양화처리적특점. 지출상태비선성량측위선성적모형채용양화처리적확전잡이만려파여동양조건하미채용양화처리적확전잡이만려파상비,종양화오차、양화빈수량방면대려파기적성능진행연구,차방법능재대관소정황하,구유양화오차동양소적우점,병이용계산궤대일류상태비선성량측선성모형적방진결과유효성진행료실험분석. 종이득출차류특정계통재대관유한시,운용차양화책략동양가강저양화오차적결론.
This paper introduces sensor node energy and bandwidth is often limited in bandwidth constraint. Quantitative processing under bandwidth constraints are proposed and comparing whether carry out quantitative processing or not under the model which has linear state and nonlinear measurement, we can know the quantization error is small with low bandwidth by using quantitative processing in terms of quantization error and quantitative copies.It is indicated that the effectiveness of the new algorithm is also illustrated by use.Thus the use of quantitative strategy also can reduce the quantization error when such specific system is in bandwidth constraints.