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Principles of communication systems 6th edition

Principles of communication systems 6th edition

Ngày tải lên : 28/03/2016, 11:15
... Aej2πft In communication theory, transmission distortion is of primary concern in high-quality transmission of data Hence, the proper representation for the transmission channel (remember, convolutive ... radio-frequency interference (RFI), e.g MUI Extraterrestrial noise  Solar and cosmic noise Channel Characteristics  Convolutive noise (usu very troublesome)  Multiple transmission paths  Diffuse type ... Diffuse type   Specular type   One or two strong reflected rays Fading   Numerous reflected components Random changes in attenuation within the transmission medium How we model it? Why we...
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Advanced discrete time controller design with application to motion control

Advanced discrete time controller design with application to motion control

Ngày tải lên : 14/09/2015, 14:12
... controller Most of the existing works on SMC focused on regulation problems or set-point control problems instead of arbitrary reference tracking, [17]-[27] Arbitrary reference tracking remains a difficult ... arbitrary trajectory-tracking problems are widely encountered in control practice, for example servo in motion control systems, temperature profile tracking in process control systems, target tracking ... observations taken at discrete-time instants Thus, the resulting control systems are a hybrid, consisting of interacting discrete and continuous components as depicted in Fig.1.1 These hybrid systems,...
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Real-Time Digital Signal Processing - Chapter 1: Introduction to Real-Time Digital Signal Processing

Real-Time Digital Signal Processing - Chapter 1: Introduction to Real-Time Digital Signal Processing

Ngày tải lên : 17/10/2013, 14:15
... efficiency, and ultra low-power DSP chip, will be discussed in the next chapter 1.3.2 Fixed- and Floating-Point Devices A basic distinction between DSP chips is their fixed-point or floating-point architectures ... Experiment 1B ± Debugging Program on the CCS The CCS has extended traditional DSP code generation tools by integrating a set of editing, emulating, debugging, and analyzing capabilities in one entity ... increase or decrease the existing digital signals' sampling rates Sampling rate changes are useful in many applications such as interconnecting DSP systems operating at different rates A multirate...
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codes - the guide to secrecy from ancient to modern times

codes - the guide to secrecy from ancient to modern times

Ngày tải lên : 25/03/2014, 11:10
... covert secret writing, whereas cryptography is overt secret writing (We will study this practice in detail in Section 1.3.) Due to the ideographic (symbolic writing representing things or ideas) ... method of depicting transposition ciphers that we will use throughout the book We can see that transposition ciphers depend upon the permutation given, such as the one above, so often transposition ... were the Spartans, who used a transposition cipher device Before describing it, let us have a look at this new term, “transposition” cipher First let us clarify and distinguish it from the earlier...
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Population structure attributable to reproductive time: isolation by time and adaptation by time docx

Population structure attributable to reproductive time: isolation by time and adaptation by time docx

Ngày tải lên : 28/03/2014, 16:20
... diagonal line represents optimal trait values and the broken lines represent observed mean trait values The observed mean trait value is expected to match the optimal trait value at the temporal peak ... used to predict the strength of temporal assortative mating Studies adopting this approach have concluded that IBT should be very common and strong (Fox 2003; Weis & Kossler 2004) Second, comparisons ... Specifically, heritable phenotypic traits should show temporal clines when selection varies in time and IBT is present Observed trait clines should become steeper as the optimal trait cline becomes steeper...
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Mathematical Finance Introduction to continuous time Financial Market models pptx

Mathematical Finance Introduction to continuous time Financial Market models pptx

Ngày tải lên : 30/03/2014, 14:20
... Mm,n is arbitrage free if there is no trading strategy ϕ ∈ Φ which satisfies V0 (ϕ) < P-almost sure VT (ϕ) ≥ P-almost sure Proof Assume that Mm,n is arbitrage free and there is a trading strategy ... financial market and g : Ω → R be a contingent claim A trading strategy ϕ ∈ Φ is called a Hedging strategy for the contingent claim g if VT (ϕ) = g a.s Super Hedging strategy if VT (ϕ) ≥ g a.s Often ... 1.2.5 Show that every martingale is a local martingale A relation between local martingales and supermartingales is established by the following : Exercise 1.2.6 A local martingale (Xt , Ft )t∈I...
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labor market transitions of involuntary part-time workers how hard is it to get back to full-time jobs

labor market transitions of involuntary part-time workers how hard is it to get back to full-time jobs

Ngày tải lên : 03/06/2014, 02:05
... illustrates the full-time and voluntary part-time work choices of an individual constrained by continuous budget line reflecting a wage work scenario (no self-employment) When there are no discontinuities ... are found to be the most important factors affecting transitions from part-time to full-time employment status Stratton (1996) also calculated transitions between part-time and full-time status ... 38 Figure 3.4 Transitions into Involuntary Part-time Jobs .66 Figure 3.5 Transitions Out of Involuntary Part-time Employment 68 Figure 3.6 Sample Design and Illustration of Rotation...
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Báo cáo toán học: " Existence of positive solutions to discrete secondorder boundary value problems with indefinite weight" pptx

Báo cáo toán học: " Existence of positive solutions to discrete secondorder boundary value problems with indefinite weight" pptx

Ngày tải lên : 20/06/2014, 20:20
... easy to see that rf0 get the result as follows: Σ contains a maximum subcontinuum C+ which is composed + − + − of two distinct connected set C+ and C+ such that C+ = C+ ∪ C+ and Gao et al Advances ... Theorems 2.1 and 2.2, we get the following results: Σ contains a maximum subcontinuum C− which − + − + is composed of two distinct connected set C− and C− such that C− = C− ∪ C− and − − C+ ∩ C− = λm,− ... responsibility All authors read and approved the final manuscript Competing interests The authors declare that they have no competing interests Received: 14 August 2011 Accepted: 17 January 2012 Published:...
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Báo cáo hóa học: " Research Article Existence of Positive, Negative, and Sign-Changing Solutions to Discrete Boundary Value Problems" potx

Báo cáo hóa học: " Research Article Existence of Positive, Negative, and Sign-Changing Solutions to Discrete Boundary Value Problems" potx

Ngày tải lên : 21/06/2014, 05:20
... is a solution to 3.8 , then u is positive Since this contradicts V ∞ ∈ λk , λk , we conclude that w ≡ is the only solution to 3.8 A contradiction to w Lemma 3.3 Under the conditions of Theorem ... 1978 Italian 14 P Bartolo, V Benci, and D Fortunato, “Abstract critical point theorems and applications to some nonlinear problems with “strong” resonance at infinity,” Nonlinear Analysis Theory, ... Dc condition at the level c ∈ Ê if for any > and any neighborhood N of Kc , there are > and a continuous deformation η : 0, × E → E such that i η 0, u u for all u ∈ E, ii η t, u u for all u ∈ J...
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báo cáo hóa học:" Existence of positive solutions to discrete secondorder boundary value problems with indefinite weight" ppt

báo cáo hóa học:" Existence of positive solutions to discrete secondorder boundary value problems with indefinite weight" ppt

Ngày tải lên : 21/06/2014, 17:20
... easy to see that rf0 get the result as follows: Σ contains a maximum subcontinuum C+ which is composed + − + − of two distinct connected set C+ and C+ such that C+ = C+ ∪ C+ and Gao et al Advances ... Theorems 2.1 and 2.2, we get the following results: Σ contains a maximum subcontinuum C− which − + − + is composed of two distinct connected set C− and C− such that C− = C− ∪ C− and − − C+ ∩ C− = λm,− ... responsibility All authors read and approved the final manuscript Competing interests The authors declare that they have no competing interests Received: 14 August 2011 Accepted: 17 January 2012 Published:...
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báo cáo hóa học:" Research Article Using a State-Space Model and Location Analysis to Infer Time-Delayed Regulatory Networks" potx

báo cáo hóa học:" Research Article Using a State-Space Model and Location Analysis to Infer Time-Delayed Regulatory Networks" potx

Ngày tải lên : 21/06/2014, 20:20
... various underlying processes such as transcription, translation, and transport For example, time delays in regulation may stem from the time taken for the transport of a regulatory protein to ... factors (e.g., transcription factors; TF) are hidden variables A pertinent question here is, “what is the impact of the delay in making the product of Gene on Gene if Gene is impacting the transcription ... is predetermined on the basis of a given transcription factor binding to various gene probes in chromatin immuno-precipitation (ChIP)-on-chip assays The transcription factor activities are then...
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Báo cáo hóa học: " A Low-Complexity Approach to Space-Time Coding for Multipath Fading Channels" ppt

Báo cáo hóa học: " A Low-Complexity Approach to Space-Time Coding for Multipath Fading Channels" ppt

Ngày tải lên : 23/06/2014, 00:20
... resulting D vectors of length N are mapped onto the T(N + L − 1) × M TRSTBC transmit matrix (this is shown transposed in Figure 1a where the shadowed areas correspond to zeros) The spectral efficiency ... to create up to min{M, Nr } parallel channels between transmitter and receiver, thus achieving much higher spectral efficiency The optimal tradeoff between the achievable spatial multiplexing gain ... the survivors of the VA acting on the original TCM trellis (i.e., without state expansion) The resulting VA is fully defined by its branch metric Consider the qth parallel transition at the jth trellis...
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introduction to discrete-event simulation and the simpy language

introduction to discrete-event simulation and the simpy language

Ngày tải lên : 01/07/2014, 17:28
... in that setting, the events being simulated would be continuous, meaning for example that if we were to graph temperature against time, the curve would be continuous, no breaks By contrast, suppose ... SimPy Programming We will demonstrate the usage of SimPy by presenting three variations on a machine-repair model In each case, we are modeling a system consisting of two machines which are subject ... time, representing the repair time • The third yield releases the repairperson If another machine had been in the queue, awaiting repair— with its thread suspended, having executing the first...
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Social Media Engagement: Guide To Real Time Publishing And Online Conversations

Social Media Engagement: Guide To Real Time Publishing And Online Conversations

Ngày tải lên : 21/07/2014, 11:55
... in the power relationships among marketers, traditional media companies and audiences is what’s tearing the mainstream media apart these days When the transformation is complete, brands without ... DOING NOTHING is NOT a risk-free strategy UP UNTIL A YEAR AGO, saying “no” to social media was a safe course of action for anyone who wanted to stay employed in marketing But 2009 was the year when ... risky proposition The deep recession (forcing everybody to more marketing with less money), combined with increasing resistance to traditional advertising and the rapid upswing in online social interactions,...
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báo cáo khoa học: " Closed to reason: time for accountability for the International Narcotic Control Board" ppsx

báo cáo khoa học: " Closed to reason: time for accountability for the International Narcotic Control Board" ppsx

Ngày tải lên : 11/08/2014, 18:20
... But the INCB continues, in effect, to demonize needle distribution (and harm reduction measures in general) by portraying such measures as being at perpetual risk of contradicting the sacred ... health officials, nor to the mounting toll of AIDS due to syringe sharing among injecting drug users As a result, the INCB is beginning to play a central role in promoting unsafe injection practices ... all Sometimes, rather than shooting for the stars such as eradicating addiction altogether, we have to satisfy ourselves with more earthly outcomes such as preventing an HIV infection Needle distribution...
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Apple iphone 100 need to know time savers phần 1 pps

Apple iphone 100 need to know time savers phần 1 pps

Ngày tải lên : 14/08/2014, 09:21
... wonders never before put together inside a tiny gadget called Cell phone It was the iPhone and indeed it did made waves and waves of expectant people wanting to have for themselves a piece of this ... the OS development in favor of the iPhone development One reason so many rumors had been circulating about the actual Apple date iPhone release was because for regulatory reasons Apple Inc had ... when the owner is able to cross sell that are products better, which can virtually retain the existing customers for them to buy again 27 This is because a Dropship Website allows the the owners...
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Apple iphone 100 need to know time savers phần 2 doc

Apple iphone 100 need to know time savers phần 2 doc

Ngày tải lên : 14/08/2014, 09:21
... lawsuit is about Cisco iPhone trademark infringement The Cisco iPhone was a trademark owned by Cisco since they acquired Infogear technology in the year 2000 The iPhone trademark was registered as ... that need improvement, in other words, other investments 41 The Cisco iPhone Trademark Infringement The iPhone trademark was actually filed in 1993 by Infogear under "I Phone" and was later ... acquired by Cisco Systems including the Infogear iPhone trademark In 2006, Cisco released a voice over IP under the name Cisco iPhone While the iPhone trademark was applied by Apple since as early as...
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Apple iphone 100 need to know time savers phần 3 ppt

Apple iphone 100 need to know time savers phần 3 ppt

Ngày tải lên : 14/08/2014, 09:21
... 60 How the iPhone will Transform Mobile Marketing According to many marketing executives, the release of iPhone in the market will dramatically transform how mobile marketing is done With so many ... the iPhone was announced in January 2007 and was previewed at MacWorld The marketing of the iPhone will definitely transform how mobile phones should be made and has set a benchmark for other mobile ... with a stylus With so many innovations being introduced by the iPhone, mobile phone marketing will forever be transformed 62 Why All the Fuss Over the iPhone Mobile T-Mobile Service? To non-techies...
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Apple iphone 100 need to know time savers phần 4 ppsx

Apple iphone 100 need to know time savers phần 4 ppsx

Ngày tải lên : 14/08/2014, 09:21
... its being less attractive to most of the buyers, is about to be phased out of the market With this in mind, the 8GB will now be more in demand after the release of surveys pointing to evident ... applying for an iPhone Data Plan Doing so may mean having to give up an existing data plan so consult AT&T about this before opting for this iPhone service There are certain voice plans that cannot ... doing the job themselves, you can save on the $1 Apple iTunes charges for selecting a song and the other $1 for transforming the song of your choice into an authentic ringtone for your iPhone...
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