DISCRETE-SIGNAL ANALYSIS AND DESIGN- P24 pps
DISCRETE-SIGNAL ANALYSIS AND DESIGN- P24 pps
... root √ V(x(n)) is known as σ x ,thestandard deviation of x ,and has an ac rms “volts” value which we look at more closely in the next topic. 104 DISCRETE-SIGNAL ANALYSIS AND DESIGN The area (CDF) for ... literature, e.g., [Meyer, 1970] and [Zwillinger, 1996, Chap. 7]. CORRELATION AND COVARIANCE Correlation and covariance are interesting subjects that are very useful in noise-free...
Ngày tải lên: 04/07/2014, 07:20
DISCRETE-SIGNAL ANALYSIS AND DESIGN- P9 pps
... sequence. 30 DISCRETE-SIGNAL ANALYSIS AND DESIGN There are two types of phasor X (k ) sequences: those that have even symmetry about N /2 and those that have odd symmetry about N /2. Figure 2-2c, d, g, and ... amplitude, and phase of each phasor. Mathcad then looks at each pair of phasors and determines their real and imaginary parts and calculates the sine- or cosine-wave t...
Ngày tải lên: 04/07/2014, 07:20
DISCRETE-SIGNAL ANALYSIS AND DESIGN- P14 pps
... dBm (1.0 mW) in a 1.0-Hz band, which is 10.0 W in the 10-kHz passband. The scanning instrument has a noise bandwidth of 300 Hz, so the passband noise power in that bandwidth is watts in 300 Hz ... rectangular down to the −40 , dBm (in a 1-Hz bandwidth) level and then slopes according to the dB-scale straight line 52 DISCRETE-SIGNAL ANALYSIS AND DESIGN −60 dB −60 dB −60 dB(c) (b) (a) 0...
Ngày tải lên: 04/07/2014, 07:20
DISCRETE-SIGNAL ANALYSIS AND DESIGN- P21 pps
... 90 DISCRETE-SIGNAL ANALYSIS AND DESIGN Since x(m) is not a function of n, it can be associated with the Þrst summation (again with no error) and the exponential term is ... region of n and m, with unused locations set equal to 0, and with n and m interchanged in the summation symbols. Y(k)= 1 N m=+∞ m=−∞ n=+∞ n=−∞ x(m)h(n − m) e −j 2πk(n/N) (5-7) 88 DISCRETE-SIGNAL ......
Ngày tải lên: 04/07/2014, 07:20
DISCRETE-SIGNAL ANALYSIS AND DESIGN- P27 pps
... Þltering. 118 DISCRETE-SIGNAL ANALYSIS AND DESIGN In part (g), Eq. (7-2), the positive-frequency complex power PL(k ) as inßuenced by the complex load admittance Y (k ), is calculated and plotted. ... more closely at random noise. RANDOM GAUSSIAN NOISE The product of temperature T in Kelvins and k B , Boltzmann’s constant (1.38 ×10 −23 joules per kelvin), equals energy in joules, a...
Ngày tải lên: 04/07/2014, 07:20
DISCRETE-SIGNAL ANALYSIS AND DESIGN- P38 ppsx
... sequence, 12 Pseudorandom data, 3 Quantum mechanical, 119 Ramp function spectrum, 39 Random data, 3 Randomness in a signal, 12 Random variable, 99 Real power (watts), 116 Real time samples and complex ... sequence, 78 Narrowband noise analysis, 119 National Instruments Co., 6 Noise, additive, 97 Noise bandwidth, 119 Noise-contaminated spectrum, 3 Noise Þgure distribution, 52 Noise, random...
Ngày tải lên: 04/07/2014, 07:20
SAP2000® Linear and Nonlinear Static and Dynamic Analysis and Design of Three-Dimensional Structures
... Save command, or the Save button, to save your model. Step 8 Run the Analysis In this Step, the analysis will be run. A. Click the Analyze menu > Run Analysis command or the Run Analysis ... EFFORT AND EXPENSE HAVE GONE INTO THE DEVELOPMENT AND DOCUMENTATION OF SAP2000. THE PROGRAM HAS BEEN THOROUGHLY TESTED AND USED. IN USING THE PROGRAM, HOWEVER, THE USER ACCEPTS...
Ngày tải lên: 06/09/2012, 15:56
SAP2000 Integrated Finite Elements Analysis and Design of Structures
... the frame elements and joints. • Click and hold the left mouse button. • While holding, move the pointer below and to the right of the frame elements and joints. A “rubber-band” window will show ... then run the linear static and dynamic analysis by clicking Run on the Analyze menu. Next select Run Static Pushover from the Analysis menu to perform the pushover analysis. The res...
Ngày tải lên: 06/09/2012, 15:56
System Analysis and Design - Complete Introductory Tutorial for Software Engineering
... major components: systems analysis and systems design.In System Analysis more emphasis is given to understanding the details of an existing system or a proposed one and then deciding whether ... method measures software and the process by which it is being developed. Before an estimate for software is made, it is important and necessary to understand software scope and estimate...
Ngày tải lên: 27/10/2013, 23:15
Information Systems Analysis and Design
... Objectives Understand the term information systems (IS) Understand IS components: Technology, people, organizations Understand IS career opportunities Understand types of information systems Understand IS and ... (MISs) Examples: Sales forecasting Financial management and forecasting Manufacturing planning and scheduling Inventory management and planning Advertising and product pric...
Ngày tải lên: 04/11/2013, 19:15