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ȫվǸ̲߳·
Դ:վ  ߣadmin  ʱ䣺2014/11/24 15:58:26  


彭ַǹʡк컨깫Ԣ棨˺㳡棩,ϵΰϵ绰0851-28206066,ϵֻ18183453053,ҪӪȫվ; GPS; RTK;ˮƽ


ȫվǸ̲߳·

 ڹ̵ʩУ漰̲߳ͳIJˮ׼Ǹַ̲߳ȻɫŲ㡣ˮ׼һֱӲ߷ⶨ߲ľǽϸߵģˮ׼ܵƣҵʩٶȽǸ̲߳һּӲ߷ܵƣʩٶȽϿ졣ڴͼ桢͹̵̡ȹ̲й㷺ӦáȽϵͣÿβȡߣ⾵ߡ鷳Դ

ȫվǵĹ㷺ʹãʹøٸȫվDz̵߳ķԽԽռʹôͳǸ̲߳ѾʾľԡܽһµķǸַ̲߳Ƚˮ׼һվص㣬ּǸ̵߳Դͬʱÿβʱȡߡ⾵ߡʹǸ̲߳Ƚһߣʩٶȸ졣

һǸ̲߳Ĵͳ

ͼһʾABΪϸ߶Ȳͬ㡣֪A߳HAֻҪ֪ABĸ߲HABHB=HA+HABõBĸ߳HBͼУDΪABˮƽ

ΪA۲BʱĴֱ

iΪվߣtΪ⾵

HAΪẠ߳HBΪB̡߳

                                     

ͼһ

VΪȫվԶ⾵֮ĸ߲V=Dtan ѣ

ǼAB಻̫ԶԽˮ׼濴ˮ׼棬ҲǴ۹Ӱ졣Ϊȷ߲hABAȫվǣBٸˣ۲ⴹֱǧѣֱȡi⾵tABˮƽΪDhAB=V+i-t

HB=HA+Dtan +i-t 1

Ǹ̲߳ĻʽˮƽΪ׼ֱ߳ΪǰġˣֻеABľܶʱűȽ׼ȷABԶʱͱ뿼ǵʹ۹ӰˡﲻνĸֻǸ̲߳·һԭвǴӴͳǸ̲߳ǿԿ߱ص㣺

1 ȫվDZ̵֪߳

2 Ҫĸ̣߳ȡߺ⾵ߡ


Ǹ̲߳·

ܽȫվˮ׼һõ㣬ǽ̵֪߳ϣͬʱڲȡߺ⾵ߵ£Ǹ̲߳ԭĸ̣߳ôʩٶȽ졣ͼһBĸ֪߳Aĸ߳Ϊδ֪ҪͨȫվDzⶨĸ̡߳

ɣ1ʽ֪:HA=HB-(Dtan +i-t)

2ʽDtanѼVֱֵӲ⣬i,tδ֪ġһȷһúãiֵҲ֮䣬ͬʱѡȡٸΪ⾵ٶtֵҲ̶䡣ӣ2֪
HA+i-t=HB-Dtan =W

3(3)֪ļ裬HA+i-tһվҲǹ̶.ҿԼֵW

һ·IJ:

1 һõ㣬ѡλҪ̵֪ܺ߳ ͨӡ

2 ׼̵֪߳㣬VֵWֵʱ̲߳ⶨйصijվ̣߳ߣ⾵߾Ϊһֵʩǰ趨

3 վ߳趨ΪWߺ⾵Ϊ0ɡ

4 ׼̡߳


ϷһַǷȷ

  ϣ13HB=W+Dtan ѡ (4) HBΪĸ߳

  WΪվ趨IJվ߳

  DΪվ㵽ˮƽ

  ѡΪվ㵽Ĺ۲ⴹֱ

  (4)֪,ͬĸ߳Ųվ㵽ˮƽ۲ⴹֱǵı仯ı䡣

  3루4֪

  HB=HA+i-t+Dtan ѡ 5

  Ǹ̲߳ԭ֪

  HB=W+Dtan +i-t (6)

  3루6䣩֪

  HB=HA+i-t+Dtan ѡ+i-t (7)

  i,tΪ0,:

  HB=HA+i-t+Dtan ѡ (8)

  (5),(8)֪,ַĴ߳һµġҲ˵DzȡַǸ̲߳ȷġ

ȫվһõ㣬ͬʱȡߣ⾵ߡȻԲĸ̡߳ĽϷȴͳǸ̲߳ȸߣΪԴ̲øֳȡߣ⾵ߣҲͼⷽɵͬʱҪָǣʵʲУ⾵߻Ըʵı䣬ֻҪ¼ڳֵtСֵͿڲĻϼʵʸ̡߳

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