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Basic Block Diagram of A Communication System

2009-11-27T02:32:00.000-08:00

Basic Block Diagram of A Communication System

The System is composed of the following functional Blocks:

The Transmitter

where this process here includes encoding,compression and error correcting operations,modulation process if some type of carrier to be used.

The Channel

where this refers to the available media like transmission lines,fiber cables,the radio frequency spectrum over which the information coming from a transmitter actually propagates or travels to a particular receiver.

The Receiver

where the receiver performs the processes: decoding,decompressing,comparing error correction codes,demodulating the radio signal to seperate it from any carrier that was used.

The Noise

the noise is generally normal in communication process.we cannot prevent it but we can minimize it. when you say noise this is unwanted form of a signal that disturbs ,interferes and affects the wanted signal in the communication process.

What is Noise in Communication?

2009-11-26T03:31:00.000-08:00

What is Noise in Communication? If you are A Bachelors Degree of Electronics And Communication Engineer holder,you must know what is the meaning of Noise.
A Noise is defined as an unwanted form of a signal that disturbs,interferes and affects the wanted signal.In general the meaning of noise is undesired signal that becomes noise.There are 3 types of Noise in Communication. One is the External Noise.When you say External Noise, This type of noise is difficult to quantify and to solve for their sources are not within the system and usually of natural Origin.

Some Examples of this type of Noise are:

Industrial Noise or Man-made Noise
Atmospheric Noise or Static Noise
Extraterrestial Noise or Space Noise.

The second typeof Noise Is Internal Noise. Internal Noise is produced and introduced at the receiver by the components that make up the receiver itself like resistors,diodes,transistors and even wires or conductors within.Here are the following examples of internal noise of receivers

Thermal Noise
Shot Noise
Transit-time Noise
Flicker Noise.

and the Third type of Noise is what you called Miscellanous.Some type of examples of this Noise are:

Partition Noise
Burst Noise and the
Avalanche Noise.

What are the topics in College Algebra?

2009-11-25T05:43:00.000-08:00

What are the topics in College Algebra?. In The First Semester of your College Life, you will be able to tackle College Algebra.Why? because you can not Solve Advance Math Subjects like Plane Geometry,Solid Geometry,Plane and Spherical Trigonometry,Analytic Geometry,Differential Calculus,Integral Calculus,Differential Equations,Advance Math,Physics,Engineering Mechanics,Strength of Materials and Engineering Economics without the Basic of Solving Algebra. Some College Students mostly hate math subjects.why? because they don't know how to solve math problems. In reality the basic solving of Math subjects is knowing the basic of math which is the Algebra. So what are topics in Algebra?.
The topics are:

Algebraic Functions
Theory of Equations
Factorization and Algebraic functions
Ratio
Proportion and Variation
Matrix Theory
Arithmetic and Geometric Progression
Equations and Inequalities
Linear and Quadratic equations
Complex number system
Polynomials
Mathematical induction
Logic and Probability and Statistics

you can't go to advance topics and solve math problem subjects without knowing the basic of Algebra.

What is the difference between HTML AND XHTML?

2009-11-24T01:10:00.000-08:00

So what is the difference between HTML and XHTML?

Do you hear already html? If you are familiar with web design or heard about web design or started about web design you heard HTML.HTML stands for hyper text markup language.
For how many years this is the only code to create web pages. And you may also hear the code php, jsp, javascript and css but centrally this is add-ons. Every webpages of its heart is made of HTML. But in 2001 the W3C consurption discontinued html and replaced xhtml. XHTML stands for extensible markup language and also identical to HTML. The most visible difference about html and XHTML is there syntax.
Basically xhtml places strictly rules in their way it’s written. But is also create web pages universal compatible with different browsers. You can essentially think that xhtml is the cleanup version of HTML.

To Learn more about XHTML,I Provided you an ebook that will guide you through basic to advance programming of XHTML.
click the link below and download.
http://uploading.com/files/4123fbf9/Html_And_Xhtml__The_Definitive_Guide-5th_Ed.rar/

What is a C plus plus - A high Level Programming Language.

2009-11-14T08:31:00.000-08:00

How plus plus get evolve? A plus plus is a procedure-Oriented Language known as "". language was developed in 1972 at bell labs. In 1985 the Object-Oriented Features added. This enhancement of language was renamed plus plus. plus plus is a superset of language.Which means everything in language is also available in ++.This means you can use plus plus as a procedural as well as oriented language. Before using the plus plus you need to have a text editor or compiler. you need to use the text editor to input instructions which is called source code.After entering the source code you need to compile the source code to convert to machine code.A machine code where the computer understand.There are lots program use when learning plus plus.One of which is the Microsoft Visual plus plus version 6.Microsoft Visual is an Integrated Development Editor.Some program use is -builder. In AMA Computer College Dagupan City, The School uses Microsoft Visual Studio 6. Mrs.Juliet Menor is one of the Instructor who teach Microsoft Visual and plus plus to 1st year college Block A. She teaches and Introduce the Basic of Programming Language in Prelim,mid-term and semi Finals. In Finals ,she gave a case study to the 1st year Block A to make a Program which is the Payslip Generator using an Array Functions.