Lecture 2 - RF Fundamentals
... http://www.fab-corp.com February 20 05 Copyright 20 05 All Rights Reserved 22 External Antenna Contd 2. 4 Gz dB Log Periodic Antenna 2. 4 Gz dB Magnetic Mount Omni Antenna February 20 05 Copyright 20 05 All ... ARSINIDE February 20 05 LIGHT VELOCITY (km/s) 1.0 1.00003 1.33 1.46 1.5 2. 0 3.4 3.6 Copyright 20 05 All Rights Reserved 300,000 300,000 22 5,000 20 5,000 20 0,000 150,000...
Ngày tải lên: 13/09/2012, 11:16
Lecture 2 ArithCode
... (0.10110111101100000101 )2 20 bits 0.71753375 < 0.71753407… < 0.71753500 b) Codelength m: m=-log2(r) = -log2(0.0000 125 ) = 19.6 =20 bits c) Bitrate: R =20 bits/10 chars = 2. 0 bits/char • Huffman coder: (1+3 +2+ 1+1+4+4 +2+ 1+1)/10 =2. 2 ... 2/ 10=0 .2 1/10=0.1 1/10=0.1 [C(si), C(si+1)) [0.5, 1.0) [0.4, 0.5) [0 .2, 0.4) [0.1, 0 .2) [0.0, 0.1) Example 1: Encoding S W I M 0.5 0.1 0...
Ngày tải lên: 26/10/2012, 11:57
... GHz Wireless Environment and Wireless LANs Wireless Spectrum (3) Wireless LAN (IEEE 8 02. 11b/g) • 2. 4 GHz 30 MHz 300 MHz Wireless LAN (IEEE 8 02. 11a) • GHz GHz Bluetooth • 2. 45 GHz Wireless Environment ... Spectrum Wireless Environment and Wireless LANs Agenda (2) ● Wireless networks ■ Mobile wireless WANs ■ Fixed wireless WANs ■ WLANs: the 8 02. 11 f...
Ngày tải lên: 29/10/2013, 06:15
Modulation and coding course- lecture 2
... quantization levels and Lecture 10 Quantization example amplitude x(t) 111 3.1867 Quant levels 110 2. 27 62 101 1.3657 100 0.45 52 boundaries 011 -0.45 52 010 -1.3657 001 -2. 27 62 xq(nTs): quantized ... Quantization noise variance: ∞ 2 σ = E{[ x − q( x)] } = ∫ e ( x) p( x)dx = σ Lin + σ Sat q σ −∞ L / −1 Lin =2 l =0 ql2 p ( xl )ql Uniform q 12 Lecture σ Lin q2 = 12 13 Uniform...
Ngày tải lên: 08/11/2013, 18:15
... transmission It is the mode of communication used on a PC’s serial port as well as on local area networks lecture 2.doc Page (3) CSN200 Introduction to Telecommunications, Fall 1999 Lecture_ 02 Point-to-point ... predominant method of transferring information in data communications Data bits are sent serially or sequentially bit-by-bit over a single wire or communications circuit Sending...
Ngày tải lên: 10/12/2013, 08:15
Tài liệu Lecture 2: HỆ ĐẾM-CƠ SỐ ppt
... Chuyển từ số hệ số B sang thập phân HỆ CƠ SỐ Binary: hệ nhị phân (dùng kí số 0,1) Decimal: Hệ thập phân(dùng kí số 0,1…,9) Octave: Hệ bát phân (Dùng kí số 0,1, 7) Hexadecimal: Hệ thập lục ... SỐ NHỊ PHÂN, MỨC LOGIC Hệ thống số thường dùng hệ thập phân dùng 10 kí số: 0,1,2,3,4,5,6,7,8,9 Hệ nhị phân sử dụng kí số Trong hệ thống số, logic gọi HIGH...
Ngày tải lên: 13/12/2013, 04:15
Tài liệu Kinh tế ứng dụng_ Lecture 2: Simple Regression Model ppt
... Written by Nguyen Hoang Bao May 20, 2004 Applied Econometrics 10 Simple Linear Regression Model Workshop 2: Simple Regression Models 1) Retrieve data file AIDSAV.WK1, which contains the data ... -60.0 -80.0 Foreign Aid as per cent of GDP Figure 7 .2: Written by Nguyen Hoang Bao May 20, 2004 Applied Econometrics Simple Linear Regression Model Residual Plot (S/Y-S/Yfit) versu...
Ngày tải lên: 27/01/2014, 11:20
Tài liệu CONCEPTUALIZING AND MEASURING ECONOMIC RESILIENCE pdf
... Vulnerability and Resilience: Concepts and Measurements.” In Lino Briguglio and Eliawony J Kisanga eds, Economic Vulnerability and Resilience of Small States, Islands and Small States Institute and Commonwealth ... Cordina, G Economic Vulnerability, Resilience and Capital Formation.” In Lino Briguglio and Eliawony J Kisanga eds, Economic Vulnerability and Resilien...
Ngày tải lên: 20/02/2014, 20:20
MEASURING ECONOMIC IMPACTS OF PROJECTS AND PROGRAMS pdf
... they are related, fiscal impacts are not the same as economic impacts HOW SHOULD ECONOMIC IMPACTS BE MEASURED? Alternative Measures The various measures of economic impacts have very different ... estimates of local spending impacts assuming continuation of current inter-industry trade patterns and local flows of money into and out of the area Their magnitudes va...
Ngày tải lên: 08/03/2014, 06:20
Measuring Economic Policy Uncertainty doc
... Composition of Economic Policy Uncertainty in the News Index, by Time Period Time period Overall Economic Uncertainty Economic Policy Uncertainty Fiscal Policy - Fiscal Policy: Taxes - Fiscal Policy: ... to policy uncertainty shocks We update our Economic Policy Uncertainty Index on a monthly basis as more data becomes available, and post the data at www.policyun...
Ngày tải lên: 08/03/2014, 08:20
lecture 2 spectroscopy
... Solution C x 105 M Io I Thioketone -C =S 330 A 2. 23 100 27 Nitrite -NO2 23 0 B 1.90 100 32 Conjugated Diene -C=C-C=C- 23 3 Conjugated Triene -C=C-C=C-C=C- 26 8 Conjugated Tetraene -C=C-C=C-C=C-C=C- Benzene ... and should be avoided R2 = 0.995 20 .0 40.0 60.0 concentration (uM) Chromophoric Structure Practice Examples Group Structure nm Carbonyl >C=O 28 0 Azo -N = N- 26 2 Nitro -N=O...
Ngày tải lên: 08/03/2014, 15:35
CMOS VLSI Design - Lecture 2: Circuits & Layout docx
... CLK 1: Circuits & Layout Q CMOS VLSI Design 4th Ed CLK 34 D Flip-flop Operation D QM Q CLK = D QM Q CLK = CLK D Q 1: Circuits & Layout CMOS VLSI Design 4th Ed 35 Race Condition Back-to-back ... 1: Circuits & Layout CMOS VLSI Design 4th Ed 24 Multiplexers 2:1 multiplexer chooses between two inputs S S D1 D0 Y X 0 X 1 X 1 X 1: Circuits & Lay...
Ngày tải lên: 19/03/2014, 10:20
Fit-City 2: Promoting Physical Activity through Design pptx
... achieve Fit-City 2: Promoting Physical Activity through Design We can encourage physical activity through pull strategies We can make staircases more beautiful and we can pull people to doing more physical ... principal paths of travel Source: Nicoll 2006 17 Fit-City 2: Promoting Physical Activity through Design NEW YORK TIMES BUILDING: PROGRAMMING PHYSICA...
Ngày tải lên: 19/03/2014, 11:20
Digital Communication I: Modulation and Coding Course-Lecture 2 potx
... features of digital communication systems Some basic concepts and definitions such as as signal classification, spectral density, random process, linear systems and signal bandwidth Lecture 2 Today, ... Quantization noise variance: ∞ 2 σ = E{[ x − q( x)] } = ∫ e ( x) p( x)dx = σ Lin + σ Sat q σ Lin −∞ L / −1 =2 l =0 ql2 p ( xl )ql Uniform q 12 Lecture σ Lin q2 = 12 13 Uniform a...
Ngày tải lên: 23/03/2014, 10:21