chapter 14 bandpass digital transmission pdf

... 4-1 DIGITAL- TO -DIGITAL CONVERSION In this section, we see how we can represent digital data by using digital signals The conversion involves three techniques: ... substitution 4.40 4-2 ANALOG-TO -DIGITAL CONVERSION We have seen in Chapter that a digital signal is superior to an analog signal The tendency today is to change an analog signal to digital data In this ... 1/2), then w e hav e 4.7 Figure 4.3 Effect of lack of synchronization 4.8 Example 4.3 In a digital transmission, the receiver clock is 0.1 percent faster than the sender clock How many extra...

Ngày tải lên: 29/03/2014, 11:20

... 14. 31: dV dt (1.20 m s) a) v    16.98 A π (0.150 m) b) r2  r1 v1 v2  (dV dt ) πv2  0.317 m 14. 32: a) From the equation preceding Eq (14. 10), dividing by the time interval dt gives Eq (14. 12) ... m s ) (30 m) (0.75 m )  300 N  2.27  105 N 14. 18: 130  10  1.79  10 N  Pa  (1.00  103 kg m )(3.71 m s ) (14. 2 m)  93  103 Pa (2.00 m ) 14. 19: The depth of the kerosene is the difference ... (0.0700 m )  2.01  105 Pa h  4 .14 m (205 kg)(9.80 m s ) (0.250 m3 ) F (1200 kg)(9.80 m s ) mg    1.66  105 Pa  1.64 atm 2 A π (d 2) π (0.15 m) 14. 20: p 14. 21: The buoyant force must be...

Ngày tải lên: 10/12/2013, 12:15

Ngày tải lên: 14/12/2013, 12:15

Ngày tải lên: 24/12/2013, 16:15

... 4MHz Digital Use two DC components Data and Signals Usually use digital signals for digital data and analog signals for analog data Can use analog signal to carry digital data Modem Can use digital ... Carrying Analog and Digital Data Digital Signals Carrying Analog and Digital Data Analog Transmission Analog signal transmitted without regard to content May be analog or digital data Attenuated ... Component Data Rate and Bandwidth Any transmission system has a limited band of frequencies This limits the data rate that can be carried Analog and Digital Data Transmission Data Entities that convey...

Ngày tải lên: 16/02/2014, 08:20

... utilization 18% Slotted ALOHA Time in uniform slots equal to frame transmission time Need central clock (or other sync mechanism) Transmission begins at slot boundary Frames either miss or overlap ... overlap totally Max utilization 37% CSMA Propagation time is much less than transmission time All stations know that a transmission has started almost immediately First listen for clear medium ... medium for duration of transmission Stations listen whilst transmitting If medium idle, transmit If busy, listen for idle, then transmit If collision detected, jam then cease transmission After jam,...

Ngày tải lên: 06/03/2014, 09:21

... SECTION Digital Sound A Digital Audio Basics Portable Audio Players MIDI Music Speech Recognition and Synthesis Chapter 8: Digital Media Digital Audio Basics Digital representation of sound Chapter ... DVD-video – PDA video Chapter 8: Digital Media 32 Digital Video Basics Chapter 8: Digital Media 33 Producing Video Footage Use digital or analog video camera to shoot video footage – Digital video cameras ... it Chapter 8: Digital Media 43 SECTION Digital Rights Management E DRM Basics Signal Scrambling and Digital Watermarks CD Copy Protection DVD DRM DRM for Digital Downloads Chapter 8: Digital...

Ngày tải lên: 06/03/2014, 09:21

... Copyright © 2006 Pearson Addison- 14- 9 Display 14. 3 Interface for the Derived Class HourlyEmployee (1 of 2) Copyright © 2006 Pearson Addison- 14- 10 Display 14. 3 Interface for the Derived Class ... declared in HourlyEmployee’s interface ♦ New and "to be redefined" Copyright © 2006 Pearson Addison- 14- 14 Inheritance Terminology ♦ Common to simulate family relationships ♦ Parent class ♦ Refers to ... functions ♦ Can then add additional member functions and variables Copyright © 2006 Pearson Addison- 14- 4 Derived Classes ♦ Consider example: Class of "Employees" ♦ Composed of: ♦ Salaried employees...

Ngày tải lên: 19/03/2014, 02:20

... errors detected and corrected? What transmission speed is possible over radio, copper cables, fiber, infrared, …? Chapter Digital Transmission Fundamentals Digital Representation of Information ... a cassette23 recorder Analog vs Digital Transmission Analog transmission: all details must be reproduced accurately Sent Distortion Attenuation Received Digital transmission: only discrete levels ... channels) 54 Mbps / channel Optical fiber Many TeraHertz 40 Gbps / wavelength 35 Chapter Digital Transmission Fundamentals Digital Representation of Analog Signals 36 Digitization of Analog Signals...

Ngày tải lên: 10/05/2014, 00:12

... donors, temperature, time, etc (Table 14. 1) This chapter describes the work carried out so far for the preparation of biodiesel employing enzymatic approaches 14. 2 Pretreatment of Oil and Lipase ... gel with 4% lipozyme TL, almost as high as that of 10% immobilized lipase used for the reaction 14. 3 Lipase-Catalyzed Alcoholysis of Oil With and Without the Solvent Medium The lipase-catalyzed ... jatropha oil © 2009 by Taylor & Francis Group, LLC 202 © 2009 by Taylor & Francis Group, LLC Table 14. 1 Lipase-Mediated Preparation of Biodiesel Using Various Types of Oils, Alcohols, and Lipases...

Ngày tải lên: 20/06/2014, 00:20

... lets himself be guided solely by his own ideals is an artist, a creative genius Cf above, pp 139 -140 241 HUMAN ACTION not ready to pay proportionately higher prices for commodities produced in ... better fitted for some kinds of work, less fitted for others, and not at all fitted for still others .14 If he has acquired the skill needed for the performance of certain kinds of labor, he is, with ... of functional distribution It also calls entrepreneurs those who are especially eager to profit 14. In what sense labor is to be seen as a nonspecific factor of production see above, pp 133-135...

Ngày tải lên: 02/07/2014, 13:20

... AGB in Fig 14. 3 compared to Fig 14. 2 (panel 56) may reflect sampling errors in the smaller dataset used in Fig 14. 3, violation of the space-for-time substitution assumption in Fig 14. 3 (e.g., ... across successional stages in the seres we examined (Fig 14. 3) For most forest types, the chronosequences in Fig 14. 3 are similar to those in Fig 14. 2 (which pools data across all geographic locations), ... classes in the eastern US (Fig 14. 2) 14. 3.2.2 Comparison of Old-Growth Literature and Old FIA Plots We located old-growth literature AGB estimates for 27/79 cases in Fig 14. 2 Literature values were...

Ngày tải lên: 03/07/2014, 13:20

Ngày tải lên: 06/07/2014, 00:21

... manufacturer and retailer in consumer electronics is DEVELOPING PRICING STRATEGIES AND PROGRAMS CHAPTER 14 TABLE 14. 1 B "Fair Price" (what the product should cost) B Typical Price a Last Price Paid a ... equal.36 14. 4 Cost per Unit as a Function of Accumulated Production: The Experience Curve 100,000 200,000 400,000 800,000 Accumulated Production DEVELOPING PRICING STRATEGIES AND PROGRAMS « CHAPTER 14 ... When Ford was able to buck that trend, it achieved positive results CHAPTER 14 451 452 ; PART SHAPING THE MARKET OFFERINGS TABLE 14. 4 Price Discounts and Allowances Cash Discount: A price reduction...

Ngày tải lên: 06/07/2014, 02:20

... been great I am quite sure it would not have been worth your while to come down We just read a chapter or so from A Tale of Two Cities, and talked about it." "We should have liked it very mulch,"...

Ngày tải lên: 06/07/2014, 02:20

... 457 14. 4 Traditional methods for eigenstructure placement Based on the definitions of input and output directions ( [14. 3] and [14. 4]), the following lemmas can be easily demonstrated LEMMA 14. 1 ... using definitions [14. 3] of wi and [14. 4] of ti as before, we will immediately have: ∆λi = ui ∆Avi + ui ∆Bwi + ti ∆Cvi + ti ∆Dwi which proves expression [14. 24] Based on equation [14. 22], the variation ... projections of the open loop eigenvector with the help of relations [14. 26] and [14. 27]: vi = V (λi )ηi [14. 26] wi = W (λi )ηi [14. 27] Properties of the orthogonal projection The choice of closed...

Ngày tải lên: 09/08/2014, 06:23