REAL-TIME SYSTEMS DESIGN AND ANALYSIS phần 8 doc

... into scaled 388 7 PERFORMANCE ANALYSIS AND OPTIMIZATION for(i=1;i<=6;i++) a[i] = a[i] *8; is replaced by a[1]=a[1] *8; a[2]=a[2] *8; a[3]=a[3] *8; a[4]=a[4] *8; a[5]=a[5] *8; a[6]=a[6] *8; A less dramatic ... = 4,λ = 380 , and µ = 16.5; then p = ( 380 /16.5) 4 /4! 1 + ( 380 /16.5) + ( 380 /16.5) 2 /2 + ( 380 /16.5) 3 /3! +( 380 /16.5) 4 /4! = 0 .83 4 This means there is a pot...

Ngày tải lên: 13/08/2014, 08:20

... at t 6 and lets τ 3 execute to completion at t 7 .Taskτ 3 is then allowed to lock S 1 , and subsequently S 2 ,and completes at t 8 . 3.1 REAL-TIME KERNELS 87 associated with round-robin systems ... preemptive-priority, or combination systems, although it is generally 130 3 REAL-TIME OPERATING SYSTEMS internal and external fragmentation hamper efficient memory usage and u...

Ngày tải lên: 13/08/2014, 08:20

... outstanding commercial software. Real-time engineers know that their systems are frequently subject to changes in hardware, algorithms, and even application. Therefore these systems must be designed ... change. 2. Generation and handling of events required to control intersection phase. Table 8 below illustrates the attributes, methods, and events of the Manual Over- ride class....

Ngày tải lên: 13/08/2014, 08:20

... SYSTEM DESIGN Same messages as between m_VehicleTrafficStandard[0] and m_Approach[0]. Same messages as between m_PedestrianTrafficStandard[0] and m_Approach[0]. Same messages as between m_PedestrianDetector[0] and ... Controller :IntersectionController m_Approach[0] :Approach m_Approach[1] :Approach m_Approach[2] :Approach m_Approach[3] :Approach m_PedestrianDetector[0] :OnOffSensor m...

Ngày tải lên: 13/08/2014, 08:20

... 8. 7 EXERCISES 443 8. 7 EXERCISES 8. 1 Recalculate McCabe’s metrics for the if, while,anduntil structures seen in Figure 8. 1. 8. 2 Research the use of McCabe’s metric in real-time systems ... Boca Raton, FL, 2001. Real-Time Systems Design and Analysis, By Phillip A. Laplante ISBN 0-471-2 285 5-9  2004 Institute of Electrical and Electronics Engineers 445 420 8 ENGINEER...

Ngày tải lên: 13/08/2014, 08:20

... 3.5239 30.63 6 2.40 98 51.75 3.6645 30.36 7 2.2961 51 .87 3.4951 30.72 8 2. 285 9 51 .89 3.13 08 30.20 9 2.4673 51 .80 3.2411 30.54 10 2. 081 6 51.69 3.1027 30. 18 Mean 51. 68 30. 48 SD 0.152 0. 183 SMART Trac ... 7.25 2.73 48 74. 28 7.29 2 3. 489 1 74.51 7.34 3.4454 74.23 7.14 3 3.7672 74.66 7.33 2. 681 5 74. 38 7.22 4 3.4990 74.65 7.32 3.2946 74. 18 7.21 5 3 .89 61 74.53 7.29 3....

Ngày tải lên: 06/08/2014, 13:22

... In Sum  Design matters. But design is not about decoration or about ornamentation. Design is about making communication as easy and clear for the viewer as possible.  ... Declaration of Independence that Pam Slim and her team designed to be used in live presentations and also for an inspirational piece done in Flash and set to music available on her Web site. ... backgrou...

Ngày tải lên: 09/08/2014, 12:21

... times Financial leverage Total debt-to-assets $ 48, 319/ $83 ,451 = 58. 90% $46, 787 /$ 78, 130 = 59 .88 % Total debt-to-equity $ 48, 319/35,102 = 1. 38 times $46, 787 /$31,343 = 1.49 times Interest coverage $12,077/$1,326 ... plant and equipment $45,750 $40,934 Goodwill 8, 595 9,059 Other assets 86 0 1, 582 Total assets $83 ,451 $ 78, 130 Current Liabilities Payables and accru...

Ngày tải lên: 09/08/2014, 16:21

... deodorant and perfume be subs idised? 13 .8. CONCLUSION: ECONOMIC PRESCRIPTIONS 467   = 1:025   = 1:05   = 1:075 Meat, …sh, dairy products and fats 11.1 27 .8 63.2 Fruits and vegetables 8. 2 18. 6 ... vegetables 8. 2 18. 6 33.4 Drink and Tobacco 10.1 24.1 48. 5 Household running expenses 5.3 11.4 18. 2 Durable goods 5.6 11 .8 19.0 Other goods and services 6.2 13.4 22.0 13...

Ngày tải lên: 09/08/2014, 19:21

... Exercises / 393 8 Engineering Considerations 397 8. 1 Metrics / 397 8. 1.1 Lines of Code / 397 8. 1.2 McCabe’s Metric / 3 98 8.1.3 Halstead’s Metrics / 399 8. 1.4 Function Points / 401 8. 1.5 Feature ... / 404 8. 1.6 Metrics for Object-Oriented Software / 405 8. 1.7 Objections to Metrics / 406 8. 1 .8 Best Practices / 406 8. 2 Faults, Failures, and Bugs / 406 8. 2.1 The Role o...

Ngày tải lên: 13/08/2014, 08:20