error control coding techniques ppt

Ngày tải lên: 21/06/2014, 23:20

Ngày tải lên: 21/06/2014, 11:20

Ngày tải lên: 22/06/2014, 22:20

Ngày tải lên: 22/06/2014, 06:20

Ngày tải lên: 14/08/2014, 12:20

Ngày tải lên: 14/08/2014, 12:20

... this scope. In addition, we presented the main solutions for error control in unicast environments. We presented important error control techniques operating at the DLL, since all transport protocols that ... or duplicated segments. Error control in TCP is achieved by using a version of the Automatic Repeat reQuest (ARQ) error control protocols operating at DLL and it involves both error detection and retransmission ... delivered data is in order, without error and without any segment lost or duplicated. Reliability in TCP is obtained by using error control mechanisms, which may include techniques for detecting corrupted,...

Ngày tải lên: 26/10/2013, 17:15

... on the criteria (relative importance), • average satisfaction indexes. RULE BASED DATA MINING TECHNIQUES The objective of data mining is to extract valuable information from one’s data, to discover ... patterns of information in data’ (Parsaye, 1997). Figure 2: Rule Induction process Data mining techniques are based on data retention and data distillation. Rule induction models (Figure 2) belong ... training set: 423) and 5 criteria. Prediction level is quite satisfactory resulting that data mining techniques can be successfully combined with multiple criteria methods. Using other customer characteristics,...

Ngày tải lên: 11/12/2013, 23:15

... theory to practical implementation Jean Hoeffelman ELIA General field mitigation techniques General field mitigation techniques Metallic shielding Shielding by ferromagnetic materials Mainly effective ... installed in the trench before to fill it with a first layer of controlled soil. After the cable laying and the second layer of controlled soil, the horizontal plates are installed forming with ... substation and possible techniques to apply are: phase cancellation, conductive and ferromagnetic shielding, passive and active compensation. The methods used to carry out the mitigation techniques are...

Ngày tải lên: 13/12/2013, 19:15

... discussion of all of the techniques. Each method is illustrated by a unified case study that allows for meaningful comparison of the techniques. Case Study Example and Valuation Techniques The Major ... produces an estimate of value significantly in excess of all of the other techniques, indicating that this technique is subject to error. Valuation Technique 3: The Coke™-Can Multiplier Another valuation ... The income approaches evolve from two different manners of thinking. The "cap-rate" techniques band of investment, market- derived capitalization, and EVA—are single-period models...

Ngày tải lên: 15/12/2013, 06:15

... Chip cầu NAM - South Bridge Chip (I/O Control Hub: ICH) Cách nhận dạng: - Lớn thứ nhì trên main (chỉ thua Chip cầu Bắc) - Có 2 chip lớn,...

Ngày tải lên: 16/12/2013, 08:15

... Tutorial by Joe Mayo, 9/2/00, updated 10/6/01 Lesson 3: Control Statements - Selection This lesson teaches you how to use C# Selection Control Statements. Its goal is to meet the following objectives: ... "goto" statement to jump to another part of your program. I invite you to return for Lesson 4: Control Statements - Loops. This will be a continuation of the same topic. Your feedback is very ... "quit" strings are entered, the "default:" case will be entered. It will print an error message to the console and then execute the "goto decide:" command. This will cause...

Ngày tải lên: 21/12/2013, 06:16

... complete, control transfers to the boolean expression for evaluation. The loop will continue as long as the boolean expression is true. When the boolean expression becomes false, control is ... similar to the selection statements. It simply breaks out of the loop at that point and transfers control to the first statement following the end of the "for" block. The second "if" ... with a remainder equal to zero, (0). When true, the "continue" statement is executed. Control will skip over the remaining statements in the loop and transfer back to the post-loop...

Ngày tải lên: 21/12/2013, 06:16

... decimal, not hex. The developer must exercise some care, however, to get useful information for errors that occur within loadable modules. klogd loads all of the available symbol information ... klogdquery the kernel for information after the problem has occurred. Information obtained after an error could be plain wrong. For klogd to work properly, it must have a current copy of the System.map ... perform this resolution for developers: klogd and ksymoops. The former tool performs symbol decoding by itself whenever it is running; the latter needs to be purposely invoked by the user....

Ngày tải lên: 24/12/2013, 01:17

... 35 Communication Link Speeds 36 Communication Link Turnaround Times 37 SIR Coding 39 MIR Coding 39 FIR Coding 40 VFIR Coding 40 5 The Electronics 43 System Overview 43 Setting the Baud Rate 46 The ... Page 3 PIC16F876 Microcontroller This powerful (200 nanosecond instruction execution) yet easy-to- program (only 35 single-word instructions) CMOS flash-based 8-bit microcontroller packs Microchip’s ... Parts 15 Microchip MCP2150 IrDA Standard Protocol Stack Controller 15 Vishay TFDS4500 Serial Infrared Transceiver 17 PIC16F876 Microcontroller 18 L7805ACV Voltage Regulator (5 Volts) 18 L298...

Ngày tải lên: 24/12/2013, 14:16

... controls. 4 Reviewing the effectiveness of internal control 38 Business objective Gross risk Control identified Residual risk v risk appatite Over/under control Appropriate control Reassess control Taken ... internal control. This enables management to clearly articulate how the component parts of control fit together and the context in which those controls operate. “Ultimately, a company’s approach to control ... context of control must also be understood. 3.3 Understanding the nature and context of control The following concepts are important in understanding the nature and context of control. ■ Control...

Ngày tải lên: 15/01/2014, 15:59

... Filter Orders Practical Design Hints 16-47Active Filter Design Techniques 16.8 Practical Design Hints This section introduces dc-biasing techniques for filter designs in single-supply applica- tions, ... filter. V OUT V IN R 12 C 2 C 2 R 22 R 32 R 2 R 2 R 13 C 3 C 3 R 23 R 33 R 3 R 3 R 14 C 4 C 4 R 24 R 34 R 4 R 4 R 11 R 11 R 1 C 1 Figure 16–45. Seventh-Order All-Pass Filter High-Pass Filter Design 16-25Active Filter Design Techniques To simplify the circuit design, it is common to choose unity-gain (α = 1), and C 1 = ... second-order band-pass filters in se- ries, where Low-Pass Filter Design 16-11Active Filter Design Techniques The multiplication of the denominator terms with each other yields an n th order polynomial of...

Ngày tải lên: 20/01/2014, 03:20

... modulation format?”. Coding Theory and Techniques. This part is concerned with the theory and techniques of coding, applied to optical systems. For instance, different for- ward error correction ... techniques. Between 1 and 2 b/s/Hz, 4-DPSK and 4- PSK are perhaps the most attractive techniques. At spectral efficiencies above 2 b/s/Hz, 8-PSK and 8- and 16-QAM become the most attractive techniques. Table ... impairments, researchers have investigated a variety of binary and non-binary modulation techniques, in conjunction with various detection techniques. In this paper, we compare the spectral efficiencies and signal-to-noise...

Ngày tải lên: 20/01/2014, 06:20

... 22 Activity 4.1: Choosing Techniques Exercise 1: Choosing Techniques ! Identify the most appropriate information-gathering technique ... Identify a source from which you want to collect information. 4. Identify the information-gathering techniques that you will use for the source. 5. In the space below, identify the questions that...

Ngày tải lên: 24/01/2014, 10:20

... automatic control. ENGINEERING MANUAL OF AUTOMATIC CONTROL CONTROL FUNDAMENTALS 17 Fig. 20. Comparison of Analog and Digital Control Signals. CONTROL MODES Control systems use different control ... Electric Control Circuits Classified 99 Series 40 Control Circuits 100 Series 80 Control Circuits 102 Series 60 Two-Position Control Circuits 103 Series 60 Floating Control Circuits 106 Series 90 Control ... Circuits 107 Motor Control Circuits 114 ENGINEERING MANUAL of AUTOMATIC CONTROL ENGINEERING MANUAL OF AUTOMATIC CONTROL CONTROL FUNDAMENTALS 36 ENGINEERING MANUAL OF AUTOMATIC CONTROL CONTROL FUNDAMENTALS 22 Fig....

Ngày tải lên: 24/01/2014, 23:20