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ANALOG-TO-DIGITAL

Objectives The purpose of this notebook is to give you a brief introduction to the DiscreteWav

Objectives The purpose of this notebook is to give you a brief introduction to the DiscreteWavelets Toolbox and show you how to use it to load images. Some basic image manipulation is illustrated as well. You will also learn how to use measures and tools such as cumulative energy, entropy, PSNR, and Huffman coding. Help on the DiscreteWavelets Toolbox Help for the toolbox is available by clicking on Help and then Product Help (or press F1) and then clicking on the DiscreteWavelets Toolbox. Several demos and examples are available as well by clicking on the Demos tab on the Help menu. Image Basics The DiscreteWavelets Toolbox comes with 18 grayscale images and 9 color images for you to use. There are three functions available to tell you more about these images. The first function is called |ImageList|. This function can tell you the names and sizes of the digital images in the Toolbox.

標簽： introduction DiscreteWav Objectives notebook

上傳時間： 2017-06-30

上傳用戶：康郎
P3.20. Consider an analog signal xa (t) = sin (2πt), 0 ≤t≤ 1. It is sampled at Ts = 0.01, 0.05, and

P3.20. Consider an analog signal xa (t) = sin (2πt), 0 ≤t≤ 1. It is sampled at Ts = 0.01, 0.05, and 0.1 sec intervals to obtain x(n). b) Reconstruct the analog signal ya (t) from the samples x(n) using the sinc interpolation (use ∆ t = 0.001) and determine the frequency in ya (t) from your plot. (Ignore the end effects.) C) Reconstruct the analog signal ya (t) from the samples x (n) using the cubic spline interpolation and determine the frequency in ya (t) from your plot. (Ignore the end effects.)

標簽： Consider sampled analog signal

上傳時間： 2017-07-12

上傳用戶：咔樂塢
Digital Modulation Techniques are those echniques through which we convert digital signals into anal

Digital Modulation Techniques are those echniques through which we convert digital signals into analog signal which can be transmitted through transmission medium...this program demostrate some of the basics techniques

標簽： Modulation Techniques echniques Digital

上傳時間： 2013-12-23

上傳用戶：wyc199288
This Simulink model simulates as an example the transmission and reception of random digital data mo

This Simulink model simulates as an example the transmission and reception of random digital data modulated with GMSK. The purpose of this model is to illustrate how part of the GSM transmission and reception works. It also measures the BER, affected by an AWGN channel.

標簽： transmission simulates reception Simulink

上傳時間： 2017-07-28

上傳用戶：litianchu
Most e-book publishers do not warn their customers about the possible implications of the digital ri

Most e-book publishers do not warn their customers about the possible implications of the digital rights management tied to their products. Generally they claim that digital rights management is meant to prevent copying of the e-book. However in many cases it is also possible that digital rights management will result in the complete denial of access by the purchaser to the e-book.[citation needed] With some formats of DRM, the e-book is tied to a specific computer or device

標簽： implications publishers customers the

上傳時間： 2013-12-11

上傳用戶：xg262122
A Public Key Infrastructure (PKI) binds cryptographic public keys to physical entities through digi

A Public Key Infrastructure (PKI) binds cryptographic public keys to physical entities through digital certificates. A PKI includes components that issue digital certificates and distribute certificate status information. PKI users select one or more certificate issuers as trust anchors, and establish security services based on certificates that may be validated using one of their trust anchors.

標簽： Infrastructure cryptographic entities physical

上傳時間： 2017-07-31

上傳用戶：561596
RSA ( Rivest Shamir Adleman )is crypthograph system that used to give a secret information and digit

RSA ( Rivest Shamir Adleman )is crypthograph system that used to give a secret information and digital signature . Its security based on Integer Factorization Problem (IFP). RSA uses an asymetric key. RSA was created by Rivest, Shamir, and Adleman in 1977. Every user have a pair of key, public key and private key. Public key (e) . You may choose any number for e with these requirements, 1< e <Æ (n), where Æ (n)= (p-1) (q-1) ( p and q are first-rate), gcd (e,Æ (n))=1 (gcd= greatest common divisor). Private key (d). d=(1/e) mod(Æ (n)) Encyption (C) . C=Mª mod(n), a = e (public key), n=pq Descryption (D) . D=C° mod(n), o = d (private key

標簽： crypthograph information Adleman Rivest

上傳時間： 2017-09-01

上傳用戶：chfanjiang
This is an analog signal communication simulator, usign frequency modulation. It is designed in MATL

This is an analog signal communication simulator, usign frequency modulation. It is designed in MATLAB-Simulink. The communications channel beetween the transmitter and the reciever is supposed to be affected by additive white Gaussian noise.

標簽： communication modulation frequency simulator

上傳時間： 2013-12-25

上傳用戶：王楚楚
This is the source code of a digital clock implemented using Atmel 8 bit AVR Controller(ATMega16). T

This is the source code of a digital clock implemented using Atmel 8 bit AVR Controller(ATMega16). To fully understand it look at the hardware implementation shown in attached photo(pdf).

標簽： implemented Controller digital ATMega

上傳時間： 2014-08-18

上傳用戶：moshushi0009
The digital Video Standard

The digital Video Standard according to ITU-R BT. 601/656 有關接口的協議的大概描述

標簽： ITU-R BT. 601/656

上傳時間： 2015-12-21

上傳用戶：dxw2006