chapter 15 spread spectrum system pdf
Báo cáo hóa học: "Research Article Spectrum Sharing in an ISM Band: Outage Performance of a Hybrid DS/FH Spread Spectrum System with Beamforming" docx
... Hybrid DS/FH spread spectrum system with beamforming While evaluating the interference, there EURASIP Journal on Advances in Signal Processing 90 120 90 120 0.6 60 0.8 60 0.8 150 30 0.4 0.6 150 0.2 ... “Implementation of an industrial R/C system using a hybrid DS/FH spread spectrum technique,” in Proceedings of the 2nd IEEE International Symposium on Spread Spectrum Techniques and Applications, ... Vehicular Technology, vol 55, no 5, pp 150 3 151 5, 2006 [20] Y.-D Yao and A U H Sheikh, “Investigations into cochannel interference in microcellular mobile radio systems,” IEEE Transactions on Vehicular...
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Báo cáo hóa học: " New PN Even Balanced Sequences for Spread-Spectrum Systems" pdf
... Communications and Spread Spectrum Systems, chapter 11, pp 564, Macmillan, New York, NY, USA, 1985 [15] K Feher, Wireless Digital Communications-Modulation & Spread Spectrum Applications, chapter 6.4, ... Balanced Sequences For Spread- Spectrum Systems at the replica frequency), the difference of PG is almost negligible CONCLUSIONS In this paper, a new look into the DS spread- spectrum was proposed ... Schilling, and L B Milstein, “Theory of spread- spectrum communications—a tutorial,” IEEE Trans Commun., vol 30, no 5, pp 855–884, 1982 [2] R C Dixon, Spread Spectrum Systems with Commercial Applications,...
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Operating System Concepts - Chapter 15: Security pdf
... Jan 10, 2005 15. 14 Silberschatz, Galvin and Gagne ©2005 A Boot-sector Computer Virus Operating System Concepts – 7th Edition, Jan 10, 2005 15. 15 Silberschatz, Galvin and Gagne ©2005 System and ... SMTP) System- call firewall monitors all important system calls and apply rules to them (i.e this program can execute that system call) Operating System Concepts – 7th Edition, Jan 10, 2005 15. 39 ... Operating System Concepts – 7th Edition, Jan 10, 2005 15. 9 Silberschatz, Galvin and Gagne ©2005 Layout of Typical Stack Frame Operating System Concepts – 7th Edition, Jan 10, 2005 15. 10 Silberschatz,...
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Tài liệu Physics exercises_solution: Chapter 15 pdf
... 103 m) 0.39 W 15. 25: I 0.250 W m at r 15. 0 m P 4πr I 4π (15. 0 m) (0.250 W m ) 707 W 15. 26: b) a) The wave form for the given times, respectively, is shown 15. 27: b) 15. 28: a) The wave ... A cos 3π ωt e) See Exercise 15. 12; ωA 0. 315 m s f) From the result of part d , y mm v y 0. 315 m s 15. 48: a) From comparison with Eq 15. 4 , A 0.75 cm, f 125 Hz, T ... (15. 12) 15. 36: a) From Eq (15. 35), f1 b) 10 , 000 Hz 408 Hz 2L FL 2(0.400 m) m (800 N)(0.400 m) =408 Hz (3.00 10 kg ) 24.5, so the 24 th harmonic may be heard, but not the 25 th 15. 37:...
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Tài liệu Tài chính doanh nghiệp ( Bài tập)_ Chapter 15 pdf
... rS = 15% Strom’s weighted average cost of capital after the buyout is: rwacc = {B / (B+S)} rB + {S / (B+S)}rS = ( $0/ $5,800,000)(0) + ($5,800,000 / $5,800,000)(0 .15) B = (1)(0 .15) = 0 .15 Therefore, ... (3/58)(0.10) + (55/58)(0 .152 7) B = 0 .15 Therefore, Strom’s weighted average cost of capital after the buyout will be 15% regardless of whether the firm issues debt or equity 15. 8 a Without the power ... $300 million)(0.1014) (1 /15) (0.08) + (14 /15) (0.1014) 0.10 B Therefore, Gulf’s weighted average cost of capital will be 10% following either debt or equity financing 15. 9 a False A reduction in...
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Tài liệu Linux Device Drivers-Chapter 15 :Overview of Peripheral Buses pdf
... a PCI system is organized as a tree, where each bus is connected to an upper-layer bus up to bus The CardBus PC-card system is also connected to the PCI system via bridges A typical PCI system ... bridges A typical PCI system is represented in Figure 15- 1, where the various bridges are highlighted Figure 15- 1 Layout of a Typical PCI System The 16-bit hardware addresses associated with ... seen struct pci_dev, of course, in Chapter 13, "mmap and DMA".) Most recent workstations feature at least two PCI buses Plugging more than one bus in a single system is accomplished by means of...
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TREATMENT WETLANDS - CHAPTER 15 pdf
... specifications Large systems are often in the former group, whereas small on-site and urban stormwater systems are in the latter The primary focus of this chapter is performance-based design 15. 1 HISTORICAL ... 584 Treatment Wetlands Filter bed Reed 200 DN 150 Inlet Elimination bed DN 150 1000 Outlet FIGURE 15. 10 Max Planck Institute Process wetland treatment system (profile view) (From Börner et al (1998) ... 2005) Figure 15. 10 is a profile view of the MPIP process (Börner et al., 1998) The long-term success of MPIP systems in Europe has led to a more widespread application of vertical flow systems based...
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Báo cáo hóa học: " Research Article Interference Excision in Spread Spectrum Communications Using Adaptive Positive Time-Frequency Analysis" pdf
... interference canceller in DSSS systems,” Electronics Letters, vol 33, no 14, pp 1189–1190, 1997 [2] A Ranheim, “Narrowband interference rejection in directsequence spread- spectrum system using time-frequency ... sequence spread spectrum communications,” IEEE Transactions on Signal Processing, vol 49, no 4, pp 851–863, 2001 [12] A Bultan and A N Akansu, “A novel time-frequency exciser in spread spectrum ... at JSR = dB JSR value of dB is used since the system can suppress the interference partly without interference excision prior to despreading In systems proposed by other researchers [8], the...
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LUYỆN ĐỌC TIẾNG ANH QUA TÁC PHẨM VĂN HỌC-JULES VERNE- THE MYSTERIOUS ISLAND -CHAPTER 15 pdf
... also respected certain innocent-looking birds, whose wings were reduced to the state of stumps, spread out like fins, ornamented with feathers of a scaly appearance The settlers, therefore, prudently...
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Multi carrier and spread spectrum systems phần 4 pdf
... (L d0 − 1) 0 spreader c(0) spreader c(L − 1) serial-to-parallel converter (0) d0 L−1 user group (K d0 −L) spreader c(L − 1) spreader c(0) 1st data symbol per user + (K d0 − 1) L−1 spreader c(L ... the subsystems In SS-MC-MA systems, one user maps L data symbols to one subsystem which this user exclusively uses for transmission Different users use different subsystems in SS-MC-MA systems ... + QLT c (2.89) Only one set of L spreading codes of length L is required within the whole MC-CDMA system This set of spreading codes can be used in each subsystem An adaptive sub-carrier allocation...
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Multi carrier and spread spectrum systems phần 10 pdf
... (STTC) 237–238 UMTS 253 Spatial diversity 233 Spreading codes 52–54 PAPR 54, 184–185 Spreading length 34, 49, 55, 201 Spread spectrum 30–45 Spread spectrum multi-carrier multiple access (SS-MC-MA) ... Small Office/Home Office Soft Output Viterbi Algorithm Serial-to-Parallel (converter) Spread Spectrum Spread Spectrum Multi-Carrier Multiple Access Solid State Power Amplifier Space–Time Coding ... 158 Channel estimation 139 158 Adaptive design 144 Autocorrelation function 142 Boosted pilot symbols 146 Cross-correlation function 142 Downlink 154 MC-SS systems 154 One-dimensional 143 Overhead...
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ENVIRONMENTAL IMPACT STATEMENTS - CHAPTER 15 pdf
... sewerage systems as well as to employment practices These complaints were filed as a result of the issuance of pollution control permits by state and local governments that received EPA funding 15. 3 ... of the Air Force Guide, (discussed earlier in this chapter) , with appropriate modifications for their particular situation The section of this chapter that discussed the Air Force Guide listed ... residential areas in the census tract Discuss problem in a NEPA document and suggest mitigating measures 15. 5 EPA INTERIM GUIDANCE FOR INVESTIGATING TITLE VI ADMINISTRATIVE COMPLAINTS CHALLENGING PERMITS...
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Ecological Modeling in Risk Assessment - Chapter 15 pdf
... Although ecosystem models provide valuable conceptual tools for analyzing ecological systems subjected to stress, they are expensive to develop and apply to particular risk issues (Figure 15. 1; Table ... developed as predictive tools to evaluate envi© 2002 by CRC Press LLC 157 4CH15.fm Page 213 Tuesday, November 26, 2002 6:36 PM Figure 15. 1 Relevance and tractability of ecological models in relation ... selected models in site specific test cases © 2002 by CRC Press LLC 157 4CH15.fm Page 214 Tuesday, November 26, 2002 6:36 PM Table 15. 1 Selected Ecological Effects Software for Risk Assessment Model...
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Handbook Of Pollution Control And Waste Minimization - Chapter 15 pdf
... between disparate systems and processes As another example, the function of drying hands in a public facility can be evaluated comparing a paper towel system to an air-dryer system The functional ... identical number of pairs of hands dried for both systems For each system, it is necessary to determine the mass and energy flows through the product system based on the functional unit, e.g., the ... 4300 300 150 0 1800 4200 550 1700 360 15 28 3300 460 6200 25 320 4000 8500 5000 9300 9300 1400 1700 93 480 630 2000 170 530 110 1300 140 5600 180 1400 4200 2300 8300 13000 500 520 29 150 200 630...
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Soil and Environmental Analysis: Physical Methods - Chapter 15 (end) pdf
... 1993), there are two major soil classification systems that are used worldwide, U.S Soil Taxonomy (Soil Survey Staff, 1975, 1998) and FAO (1998) Some systems of soil classification rely on features ... in detail in soil survey manuals or reports accompanying soil surveys Although local or national systems of classification may reflect more accurately the circumstance of a particular territory (e.g., ... horizons that are identified Although the names and nomenclature may differ between classification systems, they share a common core of diagnostic criteria to identify a particular horizon The methods...
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Drought and Water Cruises: Science, Technology, and Management Issues - Chapter 15 (end) pdf
... discussed in Chapter and elsewhere in this volume, early warning systems must be made up of several integrated subsystems, including (1) a monitoring subsystem; (2) a risk information subsystem; (3) ... subsystem; (2) a risk information subsystem; (3) a preparedness subsystem; and (4) a communication subsystem Early warning systems are more than scientific and technical instruments for forecasting ... been as high as 65% (1934) and has hovered in the 35–40% range in recent years So, does the widespread occurrence of drought in the United States over the last 5–6 years explain the emergence...
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BIOGEOCHEMICAL, HEALTH, AND ECOTOXICOLOGICAL PERSPECTIVES ON GOLD AND GOLD MINING - CHAPTER 15 pdf
... 2898_book.fm Page 317 Monday, July 26, 2004 12:14 PM CHAPTER 15 Selected Mining Legislation Major laws and regulations governing gold mining operations in ... effective monitoring and evaluation systems; vague reclamation standards; and exemptions that undermine the effectiveness of existing laws (Galloway and Perry 1997) 15. 1.1 Federal Laws A number of ... regulatory and permitting system, and that the Bureau of Land Management and the Forest Service need not have identical regulations, but some changes are warranted (USNAS 1999) 15. 1.3 State Laws Various...
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EXPOSURE ANALYSIS -CHAPTER 15 pdf
... most prevalent pesticides shown in Table 15. 3 and Table 15. 4 made up more than 90% of © 2007 by Taylor & Francis Group, LLC Exposure to Pesticides 367 TABLE 15. 3 Most Frequently Detected Pesticides ... Consequently, the USEPA designed the HVS3 cyclone vacuum sampler (Figure 15. 4), which is capable of collecting FIGURE 15. 4 HVS3 cyclone vacuum sampler (CS3, Bend, OR) 1: Commercial vacuum cleaner; ... chemicals) (Kiely, Donaldson, and Grube 2004) The scope of this chapter is limited to conventional pesticides used in and around homes and offices 15. 3 PESTICIDE REGULATION The marketing, use, and disposal...
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Environmental Sampling and Analysis for Metals - Chapter 15 pdf
... Metals 15. 6.3 PROCEDURE FOR SOLID SAMPLES Solid samples digestion for arsenic and selenium analysis is the same as described in Section 15. 10 15. 6.4 QUALITY CONTROL (QC) See Section 15. 3.3 15. 7 ... Section 15. 3.3 © 2002 by CRC Press LLC Sample Preparation for Metals Analysis 245 15. 14.4 REAGENTS 15. 14.4.1 Tetrahydrofurane, ACS Reagent Grade 15. 14.4.2 Toluene, ACS Reagent Grade 15. 14.4.3 ... to 15 Wash down the walls of the beaker and the watch glass with DI water and filter if necessary Complete to 100 ml of volume with DI water 15. 5.3 QUALITY CONTROL (QC) See Section 15. 3.3 15. 6...
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