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:




:

































 

 

 

 





充......3

1. - ...4

2. 充............4

3. - .............4

3.1 ..................................................................................4

3.2 ..........................................6

3.3 ...............................................................7

3.4 ⅅ......8

3.5 ⅅ..8

................................................................................................................9

.................................................................................................10

 

 

- , , , , , .

 

-

-

. . .

-

1. .

2. .

3. .

, - 1.1.

1.1

Q , -   t   t   t   t D, /   ηoi   h, /
Q+ Q
                     
      -29 -7,1 -15,5 -20   0,67  

 

-

.

I- - , , t.

QI ,

QI = Q+ + Q, ;

QI = 360 + 200 = 560

II- t

QII = QII+ + Q, ;

QII+ = Q+;

t- , t = 18

QII = 360+200 = 456

III- - ,

QIII = QIII+ + Q, ;

QIII+ Q+;

t- , t = 60

QIII = 360 + 200 = 301,5

IV- - , ,

QIV = β Q β Q,

β - (0,8-1,0).

QIV = 0,8181 0,9 200 = 249

 

 

. Q, , : - τ ( : 1 - 50 ); - t =180 .

Q+=f(t) Q, , Q=f(t).

( ) Q=f(τ). [1].

 





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: 2016-11-24; !; : 1133 |


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