Ngày tải lên: 08/03/2014, 10:20
Ngày tải lên: 13/05/2014, 09:34
Báo cáo hóa học: " Design and Realization of a New Signal Security System for Multimedia Data Transmission" ppt
... data transformation Then, we exploit a chaotic system in generating a binary sequence to control the bit-circulation functions for performing the successive data transformation on the input data ... achieve 117 Mbytes/s data throughput rate at the cost of silicon area of 3.59 mm2 This data- processing rate is fast enough for realtime data protection in multimedia data transmission applications ... sequence b(0), b(1), b(2), , and so forth Step 3: For k = to (N/8 − 1) Do For x = to Do Let g(8k + x) = =0 d y × y ; y For y = to M(x, y) = d y ; End End For i = to Do p = b(17k + i), r = α +...
Ngày tải lên: 23/06/2014, 01:20
SCIENTIFIC BASIC RESEARCH FOR ESTABLISHING DATA TOPOGRAPHIC MAP IN SERVICE OF MILITARY PURPOSE FROM GEOGRAPHICAL DATABASE AND REMOTE SENSING IMAGE
... presentation rules for the other map product forms 4.3 Building database and map presentation forms for specific topographic forms * Building database with scales 1:10,000, 1:25,000 and 1:50,000: Data of ... technology process for building military topographic map database 3.3 Data conversion, normalization and supplementation of information structure 12 3.3.1 Data conversion 3.3.2 Data normalization ... data and presentation of mapping information had clear division in physical term As placing in a spatial database administration system, database and map associate together to form a united form...
Ngày tải lên: 04/10/2014, 13:22
Basic concepts - Why data never speak for themselves
... facts, not simply facts by themselves This statistical reality – the fact that data not speak for themselves and that therefore positivistic reliance on facts is wrong – is called confounding bias ... with different names for what they wanted to do; they initially thought about the phrase “science-based medicine” but opted for the term evidence instead This is perhaps unfortunate since science ... specific meaning in mind for science, which is in fact positivism Since positivism is false, this extreme and confused notion of evidence is also false Section 1: Basic concepts Table 3.1 Levels...
Ngày tải lên: 01/11/2013, 10:20
Data Mining Classification: Basic Concepts, Decision Trees, and Model Evaluation Lecture Notes for Chapter 4 Introduction to Data Mining pptx
... same data! 10 © Tan,Steinbach, Kumar Introduction to Data Mining Decision Tree Classification Task Decision Tree © Tan,Steinbach, Kumar Introduction to Data Mining Apply Model to Test Data Test Data ... Introduction to Data Mining Gini(Children) = 7/12 * 0.194 + 5/12 * 0.528 = 0.333 34 Categorical Attributes: Computing Gini Index For each distinct value, gather counts for each class in the dataset Use ... interesting information • Minimum (0.0) when all records belong to one class, implying most interesting information © Tan,Steinbach, Kumar Introduction to Data Mining 42 Examples for Computing...
Ngày tải lên: 15/03/2014, 09:20
Data Mining Association Analysis: Basic Concepts and Algorithms Lecture Notes for Chapter 6 Introduction to Data Mining pdf
... Representation of Database – horizontal vs vertical data layout © Tan,Steinbach, Kumar Introduction to Data Mining 35 FP-growth Algorithm Use a compressed representation of the database using an ... projected database of its ancestor node – Bitvector containing information about which transactions in the projected database contain the itemset © Tan,Steinbach, Kumar Introduction to Data Mining ... Data Mining 41 Projected Database Original Database: TID 10 Items {A,B} {B,C,D} {A,C,D,E} {A,D,E} {A,B,C} {A,B,C,D} {B,C} {A,B,C} {A,B,D} {B,C,E} Projected Database for node A: TID 10 Items {B}...
Ngày tải lên: 15/03/2014, 09:20
Data Mining Cluster Analysis: Basic Concepts and Algorithms Lecture Notes for Chapter 8 Introduction to Data Mining pot
... objective function approach is to fit the data to a parameterized model • Parameters for the model are determined from the data • Mixture models assume that the data is a ‘mixture' of a number of statistical ... Introduction to Data Mining 48 Agglomerative Clustering Algorithm More popular hierarchical clustering technique Basic algorithm is straightforward Compute the proximity matrix Let each data point ... of large data sets Clustering precipitation in Australia © Tan,Steinbach, Kumar Introduction to Data Mining What is not Cluster Analysis? Supervised classification – Have class label information...
Ngày tải lên: 15/03/2014, 09:20
Basic Concepts part 2
... bit = 31, width =8 => data[ 31:24] byte = data1 [24+:8]; //starting bit = 24, width =8 => data[ 31:24] byte = data2 [31-:8]; //starting bit = 31, width =8 => data[ 24:31] byte = data2 [24+:8]; //starting ... Real, and Time Register Data Types Integer, real, and time register data types are supported in Verilog Integer An integer is a general purpose register data type used for manipulating quantities ... simulation by assigning a new value to the register Register data types are commonly declared by the keyword reg The default value for a reg data type is x An example of how registers are used is shown...
Ngày tải lên: 24/10/2013, 15:15
Tài liệu Oxford Collocations Dictionary for students of English_ Chương 2.16 doc
... of paint I -for the needfor change • PHRASES any/little/no need There's no need to worry sth that sb requires basic, essential, fundamental I particular, special, specific a school for children ... now beenformally nominated as presidential candidate for She was nominated for a special award to He has been nominated to the committee • PREP I Democratic, • ADJ presidential Oscar,etc for She ... invited for the post of party chairman I seek She is seeking nomination as a candidate in the elections + NOUN form, paper - as She has withdrawn her nomination as chairman -for his nomination for...
Ngày tải lên: 10/12/2013, 13:15
Tài liệu Data Communication Basic Concepts pdf
... Group, Delran NJ 08075 USA Data pro I nformatlon May 1995 “ Datapro Communications Analyst” Data Communications: Concepts Basic 1001 DNW 12 Data communications and data networks are more than ... Group, Delran NJ 08075 USA May 1995 “ Datapro nications Analyst” Data Corn Concepts nications: Basic 100’ lDNW Data communications and data networks serve the information processing systems used, ... “ Datapro Communications Analyst” Data Communications: Concepts Basic IOOlDNW Both agreed on the strategyw to be used to transfer the information and the structure of the information Data...
Ngày tải lên: 12/12/2013, 09:15
Tài liệu Phần 2: VISUAL BASIC FOR APPLICATION (VBA) doc
... Kim Ngoan I Giới thiệu chung Visual Basic ngôn ngữ lập trình dùng để ràng buộc đối tượng ứng dụng với thành hệ thống hợp Các chương trình VBA (Visual Basic for Application) tổ chức hoạt động Access ... nghĩa Module lớp trở thành phương thức đối tượng * Mỗi Form/Report kết hợp với Module lớp (Form Module/Report Module), Module lớp lưu với Form/Report Phạm Thị Kim Ngoan III Cấu trúc Module Module ... điều khiển Cấu trúc lặp: a FOR NEXT Cú pháp: FOR biến_đếm=giá trị đầu TO giá trị cuối [STEP bước lặp] khối lệnh NEXT biến_đếm Ví dụ: Tính tổng 10 số nguyên dương Tong = FOR i =1 TO 10 [Step 1] Tong...
Ngày tải lên: 23/12/2013, 08:17
Tài liệu Module 10: Creating a Security Design for Data Transmission docx
... risks to data transmission Design security for data transmission 2 Module 10: Creating a Security Design for Data Transmission Lesson: Determining Threats and Analyzing Risks to Data Transmission ... Describe data transmission methods Explain why securing data transmission is important List common vulnerabilities that threaten transmitted data Module 10: Creating a Security Design for Data Transmission ... for Data Transmission Lesson: Designing Security for Data Transmission *****************************ILLEGAL FOR NON-TRAINER USE****************************** Introduction Designing security for...
Ngày tải lên: 18/01/2014, 05:20
Tài liệu Data Communication Basic Concepts doc
... Group, Delran NJ 08075 USA Data pro I nformatlon May 1995 “ Datapro Communications Analyst” Data Communications: Concepts Basic 1001 DNW 12 Data communications and data networks are more than ... Group, Delran NJ 08075 USA May 1995 “ Datapro nications Analyst” Data Corn Concepts nications: Basic 100’ lDNW Data communications and data networks serve the information processing systems used, ... “ Datapro Communications Analyst” Data Communications: Concepts Basic IOOlDNW Both agreed on the strategyw to be used to transfer the information and the structure of the information Data...
Ngày tải lên: 19/01/2014, 20:20
Tài liệu Chapter 9 Using Telephone and Cable Networks for Data Transmission pptx
... bidirectional 9.29 9-5 CABLE TV FOR DATA TRANSFER Cable companies are now competing with telephone companies for the residential customer who wants high-speed data transfer In this section, we ... designed for residential users; it is not suitable for businesses 9.17 Note The existing local loops can handle bandwidths up to 1.1 MHz 9.18 Note ADSL is an adaptive technology The system uses a data ... 9.6 Note The tasks of data transfer and signaling are separated in modern telephone networks: data transfer is done by one network, signaling by another 9.7 Figure 9.4 Data transfer and signaling...
Ngày tải lên: 16/02/2014, 20:20
báo cáo hóa học: " Data processing techniques for a wireless data transmission application via mud" ppt
... one of the nine data modes used One mode corresponds to one predetermined data components For example, Mode corresponds to the data set: tool face angles, gravity data, magnetic data, generator’s ... introduces the data processing techniques for a wireless data communication via mud, which includes the down-hole part and the surface part As for the down-hole data processing techniques, data encoding ... the data so that technicians can access and refer to the old data when needed Apparently a database technique can provide the function of data accessing and storage, but the huge quantity of data...
Ngày tải lên: 21/06/2014, 00:20
Section 16. Basic Sychronous Serial Port (BSSP) pptx
... 8-bits of data to be synchronously transmitted and received simultaneously To accomplish communication, typically three pins are used: • Serial Data Out (SDO) • Serial Data In (SDI) • Serial Clock ... 16.3.3 16 Typical Connection • Master sends data — Slave sends dummy data • Master sends data — Slave sends data • Master sends dummy data — Slave sends data Figure 16-2: SPI Master/Slave Connection ... would send and receive data at the same time Whether the data is meaningful (or dummy data) depends on the application software This leads to three scenarios for data transmission: PICmicro MID-RANGE...
Ngày tải lên: 29/07/2014, 10:20
Basic skill for colledge 2 docx
... (grammar, spelling, and so forth) For the math assessment, most schools test basic arithmetic and elementary algebra Additionally, many schools test basic geometry Ask your school for the specific sub- ... and a calculator if permitted for the math portions, and you should know your Social Security number Also bring any forms the school asks for CAN I USE A CALCULATOR FOR THE MATH SECTIONS? Ask your ... if your school has a foreign language requirement, you will be able to pick which foreign language you want to study Once you declare a major, there will be required courses for that major as well...
Ngày tải lên: 07/08/2014, 16:21