Communication Systems Engineering Episode 2 Part 1 pptx
Dimensioning and Tolerancing Handbook Episode 2 Part 1 pptx
... paragraph 3.3 .11 in ASME Y14.5M -19 94. 6 .2. 3 .2 ISO The ISO standards referenced in Tables 6-6 through 6 -13 are: ISO 11 01- 1983 ISO 8 015 -19 85 ISO 10 578 -19 92 ISO 16 60 -19 87 ISO 5458 -19 87 ISO 10 579 -19 93 ISO 26 92- 19 88 ... ISO 26 92- 19 88 ISO 5460 -19 85 ISO 12 9 -19 85 ISO 27 68 -19 89 ISO 5459 -19 81 The numbers in the parentheses represent the standard and...
Ngày tải lên: 21/07/2014, 15:20
Dictionary of Engineering Episode 2 Part 10 pptx
... Ưlala } right -of- way [ CIV ENG ] 1. Areas of land used for ribbon mixer [ MECH ENG ] Device for the mixing of particles, slurries, or pastes of solids by the a road and along the side of the roadway. 2. A 463 ... ENG ] Preliminary ma- Rouths rule of inertia [ MECH ] The moment of chining without regard to finish. { rəfmə inertia of a body about an axis of symmetry she...
Ngày tải lên: 21/07/2014, 15:20
Dictionary of Engineering Episode 2 Part 1 ppsx
... 1/ 4 U.S. liquid pint, or to getter sputtering [ ELECTR ] The deposition of 1. 1 829 411 825 ϫ 10 Ϫ4 cubic meter. 2. A unit of high-purity thin films at ordinary vacuum levels volume used in the United ... 3.785 411 784 ϫ 10 Ϫ3 cubic meter, or to 3.785 411 784 liters; equal to 12 8 fluid resulting from the transmission of photons to earth from a cobalt-60 gamma source in theounc...
Ngày tải lên: 21/07/2014, 15:20
Communication Systems Engineering Episode 2 Part 1 pptx
... Back 7 ARQ SN 0 3 4 5 t 1 6 RN 0 1 2 3 5 Window (0,6) (1, 7) (5 ,11 ) (2, 8) (3,9) Node A Node B 2 0 5 Packets delivered 0 1 2 3 4 5 ã Note that packet RN -1 must be accepted at B before ... developed for X .25 networks ã They all use bit oriented framing with flag = 011 111 10 ã They all use a 16 -bit CRC for error detection ã They all use Go Back N ARQ wi...
Ngày tải lên: 07/08/2014, 12:21
Communication Systems Engineering Episode 2 Part 2 pptx
... that we can tolerate Circuits P B 20 1% 15 8% 7 30% Eytan Modiano Slide 22 Delay formulas ã M/G/1 ã M/M/1 ã M/D/1 DX=+ à à / DX=+ à à / ( )2 DX X =+ à 2 21(/) Delay components: Service (transmission) ... arrivals in T It can be shown that, E[n] = T E[n ] = T + ( T) = E[(n-E[n]) ] = E[n ]-E[n] = T 22 22 22 λ λλ σλ Eytan Modiano Slide 19 Example (fast food restaurant) ã Custo...
Ngày tải lên: 07/08/2014, 12:21
Communication Systems Engineering Episode 2 Part 3 pps
... group transmits (1 ,2, 3, 4) (1 ,2, 3) 4 success collision (2, 3) collision idle collision (2, 3) success success Notice that after the idle slot, collision between (2, 3) was sure to happen ... the first success is 2, so the expected number of slots to transmit 2 packets is 3 slots Throughput over the 3 slots = 2/ 3 – In practice above algorithm cannot real...
Ngày tải lên: 07/08/2014, 12:21
Communication Systems Engineering Episode 2 Part 4 pps
... seconds 0 2 4 6 8 10 12 14 16 18 20 0 0 .2 0 .4 0.6 0.8 ALOHA SCHEMES TDMA (10 USERS) Perfect Scheduling (M/M/1) Reservation with 20 % overhead packet length 24 00 bits transmission ... for mixed voice and data Slot 1 2 3 4 5 6 frame 1 frame 2 frame 3 frame 4 frame 5 15 3 20 2 15 7 3 9 7 9 7 9 18 7 3 15 9 6 18 idle idle idle idle 2...
Ngày tải lên: 07/08/2014, 12:21
Communication Systems Engineering Episode 2 Part 5 ppsx
... 1 2 3 4 N = {1 ,2, 3,4} A = {(1 ,2) , (2, 1),(1,4), (4 ,2) , (4,3),(3 ,2) } ã Directed walk: (4 ,2, 1,4,3 ,2) ã Directed path: (4 ,2, 1) ã Directed cycle: (4 ,2, 1,4) ã Data networks are best represented ... n2, ,nk) in which each adjacent node pair is an arc. ã A path is a walk with no repeated nodes. 1 2 4 3 1 2 4 3 Walk (1 ,2, 3,4 ,2) Path (1 ,2, 3,4) Eytan Modian...
Ngày tải lên: 07/08/2014, 12:21
Communication Systems Engineering Episode 2 Part 6 pps
... CONGESTION CONTROL BER EFFICIENCY 0 0.1 0 .2 0.3 0.4 0.5 0 .6 0.7 0.8 0.9 1 1.00E-07 1.00E- 06 1.00E-05 1.00E-04 1.00E-03 1,544 64 KBPS 16 KBPS 2. 4 KBPS KBPS ã TCP assumes dropped packets ... addresses) – Allocate a block of contiguous addresses E.g., 1 92. 4. 16. 1 - 1 92. 4. 32. 155 Bundles 16 class C addresses The first 20 bits of the address field are the...
Ngày tải lên: 07/08/2014, 12:21
