chapter 9  when data and reality don t match

... cable band by CATV 9.31 Note Downstream data are modulated using the 64-QAM modulation technique 9.32 Note The theoretical downstream data rate is 30 Mbps 9.33 Note Upstream data are modulated using ... interference and distortion can be accepted without loss of intelligibility Topics discussed in this section: Modem Standards 9.10 Figure 9.6 Telephone line bandwidth 9.11 Note Modem stands for modulator/demodulator ... 9-1 TELEPHONE NETWORK Telephone networks use circuit switching The telephone network had its beginnings in the late 1800s The entire network, which is referred to as the plain old telephone system...

Ngày tải lên: 16/02/2014, 20:20

... (Tienganh.com.vn) ...

Ngày tải lên: 16/09/2013, 12:10

... rates that did not cover total costs to be unfair or predatory—designed, that is, to drive out competition It insisted that railroads set their rates high enough to cover total costs After the ... with the tenth accident, it will cost more than it is worth to Al to prevent the sixth through ninth accidents He would try to prevent all ten accidents only if his demand for accident prevention ... costs not matter to current production decisions is that in the economist’s use of the term, sunk costs are not really costs The opportunity cost of an activity is the value of the best alternative...

Ngày tải lên: 17/12/2013, 15:19

... counterclockwise rotating air-gap MMFs relative to the stator windings It follows that the balanced sets formed by the third and fourth columns with the argument (ωet + θ) can be thought of as negative sequence ... input torque equal to 2.48 pu for the steam turbine generator The line-to-neutral fault was applied to phase a at the instant νas passed through zero going positive It was assumed that the neutral ... (double line-to neutral) fault is demonstrated in Figure 9.9-7 With the machine operating at rated conditions, the terminals of phases a and b are short circuited to the neutral at the instant νas passes...

Ngày tải lên: 16/02/2014, 18:48

... Chapter TABLE 9.1 Some characteristics of limitations to the rate of photosynthesis Conditions that lead to this limitation Response of photosynthesis under this limitation to Limiting factor ... close to each other and to the stem, thus preventing the growth of any leaves below them Trees represent an outstanding adaptation for light interception The elaborate branching structure of trees ... that correlate with the temperature at which they were grown Plants growing at low temperatures maintain higher photosynthetic rates at low temperatures than plants grown at high temperatures These...

Ngày tải lên: 07/03/2014, 20:20

... Permit or Deny as the action Select the types of routes you want to filter on—All, Static, OSPF, or BGP4 Enable the Match Metric parameter to limit the import of routes to only those that match the ... a routing broadcast to be modified so that routers with intermediate routers in their path to a destination router, are not seen as a path to the destination router by the intermediate router ... destination network of the route NetMask The network mask of the destination address Gateway The next-hop router Port The port through which this routing switch sends packets to reach the route's...

Ngày tải lên: 09/07/2014, 08:09

... GETTING STARTED: Match the pictures to the correct words Then compare your answers with a partner’s: snowstorm earthquake volcano typhoon Listen and read: a New words: disaster (n): tai họa, thảm ... tin th t typhoon (n) bão nhi t đới Matching the words to the correct meanings (to) expect: a Thảm họa, tai họa disaster (n): b Bão nhi t đới thunderstorm (n): c Vùng đồng (to) experience: d Tin ... volume on TV because she wants to listen to weather forecast the rainy It will be along the coast of Thanh Hoa central highlands 3.The will experience thunderstorms have temperatures Ho...

Ngày tải lên: 14/07/2014, 23:00

... here that take advantage of opportunities by overcome weaknesses Threats (T) ST Strategies Generate strategies here that use strengths to avoid threats © Prentice Hall, 2000 WT Strategies Generate ... EXTERNAL FACTORS FACTORS Strengths (S) Weaknesses (W) Opportunities (O) SO Strategies Generate strategies here that use strengths to take advantages of opportunities WO Strategies Generate strategies ... To help out business units become more effective in their use of the Internet/intranet, both internally and with their customers To establish a strategy for the corporate Internet site This would...

Ngày tải lên: 31/07/2014, 17:20

... proportional to their line strengths or to their weighted oscillator strengths ϖ1f12 I dwell no more on this subject in this section other than to state, without derivation, the relations between Einstein ... 9.3.3) that the probability that an atom, initially in level 2, will make a spontaneous downward transition to level in time t, is − e A2 1t , and that the probability that it will have made this transition ... equivalent width This is clearly nonsense Let us deal with these two objections in turn First: Atoms are not at all like that For a start, an atom is an entity that can exist only in certain discrete...

Ngày tải lên: 11/08/2014, 11:22

... Concepts • Synonyms: a set of keys that hash to the same location • Collision: the location of the data to be inserted is already occupied by the synonym data Cao Hoang Tru CSE Faculty - HCMUT 01 ... Tru CSE Faculty - HCMUT 23 01 December 2008 Rotation • Hashing keys that are identical except for the last character may create synonyms • The key is rotated before hashing original key rotated ... added and collisions are resolved, hashing tends to cause data to group within the list ⇒ Clustering: data are unevenly distributed across the list • High degree of clustering increases the number...

Ngày tải lên: 06/03/2014, 17:20

... if the resulting cluster shares certain properties with the constituent clusters – Two key properties used to model cluster similarity: • Relative Interconnectivity: Absolute interconnectivity ... the data set to find the natural clusters Use a dynamic model to measure the similarity between clusters – Main property is the relative closeness and relative inter-connectivity of the cluster ... Introduction to Data Mining 17 Experimental Results: CHAMELEON © Tan,Steinbach, Kumar Introduction to Data Mining 18 Experimental Results: CHAMELEON © Tan,Steinbach, Kumar Introduction to Data...

Ngày tải lên: 15/03/2014, 09:20

... estimate the structural parameters? How would you obtain p11 in terms of the structural parameter estimates? d Suppose that z2 should be in the first equation, but it is left out in the estimation ... chi-square estimator—can be used Alternatively, the equations of interest can be estimated by 2SLS The bottom line is that the methods studied in Chapters and are directly applicable All of the tests we ... of the exogenous variables to the instrument list (even under the homoskedasticity assumption) This statement is true whether we use a single-equation or system method Unfortunately, the fact that...

Ngày tải lên: 06/07/2014, 08:20

... THE WATER ENCYCLOPEDIA: HYDROLOGIC DATA AND INTERNET RESOURCES T8 1—primary treatment T8 1u—unfiltered T8 11—filtered T8 2—secondary treatment T8 3—tertiary treatment T8 4—nutrient reduction T8 4n—nitrogen ... The estimate of the wastewater quantity for the total population differs from the estimates shown in Table 2.2 and Table 2.15 This is due to missing data associated with this variable Refer to ... SIC, standard industrial classification a The estimate of the wastewater quantity for the total population differs from the estimates shown in Table 2.1 and Table 2.15 This is due to missing data...

Ngày tải lên: 11/08/2014, 21:21

... about using the Pattern Brush tool instead of a tone pattern is that you can mix and match different patterns to your heart’s content! Try using different patterns with the Pattern Brush tool — you ... want to with your selection! Alternatively, you can use the Convert Layer to Selection button (located on the Layers palette next to the Selection title) instead of selecting the function from the ... click the triangle to the right of the text box) to adjust an option to the desired value At the top of the Tones tab, you see three icons You can use these to manipulate the position of the tone...

Ngày tải lên: 27/08/2012, 14:31

... right-handed and one left-handed, for coupling the input, intermediate and output members These members are coaxial, with the intermediate and input free to rotate on the output shaft The rotation of ... nonselective multistation clutch for instantaneous stopping in any position Fig 12 A multistation clutch with remote control The extractor pins are actuated by solenoids that either hold the extractor ... displacement not affect the constant-velocity relationship between the input and output shafts, nor they affect initial radial reaction forces that might cause imbalance in the system Those features...

Ngày tải lên: 22/10/2012, 14:26