物理实验
物理實驗
물리실험
PHYSICS EXPERIMENTATION
2013年
8期
10-14
,共5页
烟气流速%光闪烁%互相关%滤波
煙氣流速%光閃爍%互相關%濾波
연기류속%광섬삭%호상관%려파
stack gas flow velocity%optical scintillation%cross-correlation%filtration
为研究光闪烁法测量烟气流速的数据处理方法,基于LabVIEW平台开发了数据处理软件。将程序用于烟气流速的数据处理,并将滤波结果和互相关计算结果分别与O rigin的数据处理结果进行了对比。结果表明:通过设置滤波器参量,本程序可以很好的从带有复杂噪声的实验数据中提取出有效信号,由此计算出的烟气流速值在4~10 m之间,介于烟气流速的合理范围内。利用本程序还可以实现烟气流速实验数据的批处理。
為研究光閃爍法測量煙氣流速的數據處理方法,基于LabVIEW平檯開髮瞭數據處理軟件。將程序用于煙氣流速的數據處理,併將濾波結果和互相關計算結果分彆與O rigin的數據處理結果進行瞭對比。結果錶明:通過設置濾波器參量,本程序可以很好的從帶有複雜譟聲的實驗數據中提取齣有效信號,由此計算齣的煙氣流速值在4~10 m之間,介于煙氣流速的閤理範圍內。利用本程序還可以實現煙氣流速實驗數據的批處理。
위연구광섬삭법측량연기류속적수거처리방법,기우LabVIEW평태개발료수거처리연건。장정서용우연기류속적수거처리,병장려파결과화호상관계산결과분별여O rigin적수거처리결과진행료대비。결과표명:통과설치려파기삼량,본정서가이흔호적종대유복잡조성적실험수거중제취출유효신호,유차계산출적연기류속치재4~10 m지간,개우연기류속적합리범위내。이용본정서환가이실현연기류속실험수거적비처리。
In order to process the data of stack gas velocity obtained by optical scintillation ,a data processing procedure based on LabVIEW was established and applied .The filtering results and cross-correlation results were compared with that obtained by Origin .The results indicated that after selec-ting suitable parameter for filters ,the LabVIEW procedure could extract effective signal from experi-mental data ,which contain complex noise .The stack gas velocities calculated by this procedure were in reasonable range ,between 4 to 10 m/s .This procedure could also realize batch processing .