errorcontrol techniques for digital communication pdf

... yourself building a model of calling patterns to California based on data that excludes calls to Los Angeles Step Six: Transform Data to Bring Information to the Surface Once the data has been assembled ... be prepared for analysis This involves adding derived fields to bring information to the surface It may also involve removing outliers, bin­ning numeric variables, grouping classes for categorical ... data miner to bring trend information to the surface by adding derived variables such as the ratio of spending in the most recent month to spending the month before for a short-term trend and

Ngày tải lên: 21/06/2014, 04:20

... required to provide additional information on an application or enrollment form If the service involves an extension of credit, credit bureau information may be requested Information collected at the ... default risk This information can then be used to guide marketing efforts by focusing on the channels and messages that produce the best results For example, the survival analysis techniques described ... far as today, he or she will leave before tomorrow For any one tenure this hazard, as it is called, is quite small, but it is higher for some tenures than for others The chance that a customer

Ngày tải lên: 21/06/2014, 04:20

... window or kernel which would perform well for all signals A kernel might perform very well for a certain class of signals but is not optimal for other types of signals For optimal TFR, the selection ... Types of digital modulation which are considered in this paper are ASK, FSK, and M-ary FSK These signals are commonly used in the digital communication Consider an arbitrary digital communication ... attention has beengiven to digital communication signals This paper suggests a globally adaptive optimal ker-nel smooth-windowed Wigner-Ville distribution (AOK-SWWVD) for digital modulation signal

Ngày tải lên: 22/06/2014, 01:20

... for a critical review of Chapters 3 and 4, and for making many suggestions for improvement To my long-review of Chapters 3 and 4, and for making many suggestions for improvement To ix Simpo PDF ... intentionally left blank Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com Trang 4Optimizing and Testing WLANsProven Techniques for Maximum Performance By Tom Alexander AMSTERDAM ... devoted to the techniques and equipment used for the test and performance measurement of IEEE 802.11 Wireless LAN (WLAN) devices and systems It covers test equipment and methods for performance measurements

Ngày tải lên: 27/06/2014, 00:20

... biases the noisy digital circuitry In this case the designer needs to select the optimum boundary between the analog and digital power domains The best choice for the analog-digital supply domain ... injected noise Therefore the usage of a regulator is not needed for the PFD from the forward PSRR point of view However, due to the fact that the required supply voltage for the thin oxide gates ... synthesizer a lower power efficiency is always traded for better spur and phase noise performance This gives one of the fundamental performance limitations for the portable application (battery operated)

Ngày tải lên: 22/06/2014, 22:20

... processed Fortunately, the recursive form of the metric rng;k(ab) = AmD;k (ak) + mD;k-1 (a&l) [eq (13-g)] allows for systematic simplifications In particular, the receiver can perform premature ... which is of the same form as eq (12-31) except for the zero mean By invoking the matrix inversion lemma eq (12-39) twice (similarly as in Section 12.2.6), eq (14-4) can be reformulated to (14-5) ... predictor performance is sensitive to passband distortions whereas the stopband filter response is of minor importance It therefore does not make sense to employ higher-order filters of the form H(x)

Ngày tải lên: 14/12/2013, 14:15

... Trang 1Digital Communication Receivers: Synchronization, Channel Estimation, and Signal ProcessingHeinrich ... examples be- low, between M=l and 4 - contending symbol hypotheses need to be kept by the equalizer for quasi-optimal detection The number of NDA parameter sync units working on the corresponding

Ngày tải lên: 14/12/2013, 14:15

... Configuring IIS for SSL  Configuring ASP.NET Security  Using forms authentication with Microsoft ® SQL Server™  Creating a GenericPrincipal object for roles-based authorization Before We Start ... Implications  Must use remote, OOP session state  For DPAPI, consider user vs machine store  For forms authentication, must be the same for each computer    validationKey attribute decryptionKey ... security?  Planning for Web application security  Authentication and authorization strategies  Using the ASP.NET process identity  Secure communication  Securing secrets and state information Session

Ngày tải lên: 15/01/2014, 15:59

... performance, which has also been revealed in [14,24] Finally, the conclusions are given in Section5 2 Review of Deng’s Method of Allpass VFD Digital Filters For the design of an allpass VFD digital ... method for the design of linear phase FIR digital filters,” in Proceedings of the IEEE International Symposium on Circuits and Systems, pp 168–171, June 1991 [26] Z Jing, “A new method for digital ... frequency-response-oriented erroris given, and it will be shown that both will lead to the same solution The formal formulation for LS group-delay error design of allpass VFD filters will be presented in Section3,

Ngày tải lên: 21/06/2014, 07:20

... shorthand terminology since the full form is unwieldy That said, we do so with the... of some other good k on the demand for good j A new, higher, price for pk may, for instance, induce some consumers ... Christian Huveneers for their detailed comments on the draft version And, of course, the anonymous reviewers for their... respect to the logarithm of price of the log transformation of demand ... quantity demanded of the good... Press for his support, encouragement, and patience and Jon Wainwright from T&T Productions Ltd for his tireless efforts to typeset the book in the face

Ngày tải lên: 21/06/2014, 10:20

... is likely to be a good starting point for analysis 5.1.2.1 Using Cross-Sectional Information Using cross-sectional information can be a good starting point for an empiricalassessment of the effect ... which can becalculated for a single store s using the formula Trang 12the product mix sold in that particular store For the purpose of comparing pricesacross stores, we may therefore prefer to use ... Asda,Sainsbury’s, Morrisons, Aldi, M&S, and Budgens for details of prices charged for 200 products in 50–60 stores for each company on one particular day before the start of the inquiry: Thursday, January

Ngày tải lên: 21/06/2014, 10:20

... Transaction costs formargin trades will be more than for cash trades Additional carrying costsfor trades on margin include the financing for the additional stock Thecarrying cost for a cash transaction ... onthe purchase of the stock index, for a total profit of 1 You can lose money before the expiration of the contract if the price of the stock index declines For example, suppose the stock index ... break-even point tobelow the initial entry level The formula for the simple break-even point is: Break-even point= UI price − call premiumFor example, using the assumptions given in the previous

Ngày tải lên: 21/06/2014, 12:20

... Gini score, the score for the split is the same as for either of the two nodes Decision Trees Entropy Reduction or Information Gain Information gain uses a clever idea for defining purity If ... searches for the split that reduces entropy (or, equivalently, increases information) by the greatest amount For a binary target variable such as the one shown in Figure 6.5, the formula for the ... information gain for the first proposed split is 0.53 How much information is gained by the second proposed split? The left child is pure and so has entropy of As for the right child, the formula

Ngày tải lên: 21/06/2014, 21:20

... item if, and only if, it does not contain the original item For example, Table 9.8 shows the transformation of a few transactions The ¬ before the item denotes the inverse item There are three downsides ... information about the customer, since this information is used to tie the different transactions together into a series Although there are many techniques for analyzing time series, such as ARIMA ... there is an outgoing edge for every incoming edge For instance, node C has intermediate node has an even number of edges in the path Since an Eulerian intermediate nodes for the path This is another

Ngày tải lên: 21/06/2014, 21:20

... allowable values for that column Table 17.1 shows range characteristics for typical types of data used for data mining TE 542 Table 17.1 Range Characteristics for Typical Types of Data Used for Data ... opportunity because modeling efforts require understanding data No single customer signature works for all modeling efforts, although some customer signatures work well for several applications The ... histogram is for the month of claim for a set of insurance claims 120 100 80 This is an example of a typically uniform distribution That is, the number of claims is roughly the same for each month

Ngày tải lên: 21/06/2014, 21:20

... Voltage Delivery for U-DVS Systems 97 about a robust design methodology for sub-threshold operation that reduces energy dissipation of digital circuits, in exchange for slower performance, and ... is reduced, and forward body bias (in this example, NMOS forward body bias) can be applied to further increase the performance. This combination reduces the guardband needed for maximum temperature ... power for the FBB design at the same clock frequency. When the adder is put into standby mode, ZBB is used for the core, and this results in a leakage reduction of 2×. Total power savings for

Ngày tải lên: 21/06/2014, 22:20

... to its criticality to performance. However, “criticality to performance” can be difficult to quantify, since the critical path through the core may be different for different applications. ... FI-T and FI-CP-T perform dynamic frequency scaling using an aggressive Intel XScale-style DFS system as in [16]. 9.4.3 Benchmarks Simulated In order to accurately account for the effects of ... million instructions and gathering statistics for 100 million more. The one exception was 188.ammp, which finished too early. Instead, it was fast-forwarded 200 million instructions and then

Ngày tải lên: 21/06/2014, 22:20

... nonlinear digital communication receivers. GPs are Bayesian machine learning tools that formulates a likelihood function for its hyperparameters, which can then be set optimally. GPs outperform state-of-the-art ... we use both settings for tuning digital communication receivers with short training sequences. We compare Gaussian processes for regression (GPR) and Gaussian processes for classification (GPC) ... receivers, while for longer training sequences, this performance is not sensitive to variations in the hyperpa- rameters. Most papers applying nonlinear machine learning for designing digital communication

Ngày tải lên: 22/06/2014, 01:20