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BCH codes are binary block codes that allow multiple errors per code word to be corrected. An (n, k, t) BCH code has rate k/n, and can correct t errors per block of n symbols.
By using the technique illustrated in Example, examine the relative performance of (63,30,6) and (255,123,19) BCH codes. Assume PSK modulation and compare both BCH codes to the performance of the un coded system.
Given an object with a mass of 55 lbm, who starts at rest but experiences a constant horiz. force due to resultant force applied for 10 seconds. The work of the resultant force is 7,782 lbf*ft.
A 75 kW, 8 pole star connected induction motor operates froma 415 V, 50 Hz supply and draws 140 A when supplying full load.Determine: 1. the synchronous speed Ns;
Create two subsystems, where each subsystem executes on separate Micro Controller Units (MCU). One subsystem represents the Engine Management System (EMS) and the other the Engine Control Unit (ECU).The system is to emulate an Engine Control Syst..
Find the initial voltage V0 at the sending end (near generator) of the line.
Develop a table showing the speed of magnetic field rotation in ac machines of 2, 4, 6, 8, 10, 12, and 14 poles operating at 25 Hz. What was the fastest rotational speed available to these early motors?
Sketch an NMOS transmission gate and describe its operation. - What is the maximum output voltage?
Bit 4 of Port B is connected to a switch that normally outputs a zero. Monitor this switch to detect a change from zero to one. Immediately when it becomes one, call a function to toggle Bit 5 of Port B, which is connected to an LED.
A buck-boost converter works with an input voltage of 12 V and switching frequency 10 kHz. The load resistance of 24 Ω requires doubled input voltage. The inductor and capacitors are 1 mH and 100 μF, respectively.
In a balanced three-phase wye-wye system, the load impedance is 10+j10 ohm. The source has phase sequence abc and the line voltage Vab= 220
1- Name a few computer operating systems. 2- What is the full form for MS-DOS 3- What is the difference between a logical address and aphysical address
1. What is the difference between On-delay and Off-delay timer instructions 2. How are timer instructions reset What happens when an On-delay timer reaches its preset delay time
a) How long does it take for the soprano's voice to reach the listener b)In the same time interval, how far form the soprano has the sound wave in the auditorium traveled. Take the speed of sound to be 340 m/s.
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