文件列表:

QPSK Modem\backgrounds.doc (187392, 1998-10-13)
QPSK Modem\SignalGenerator.cpp (617, 1998-07-06)
QPSK Modem\RRcFilter.cpp (2180, 1998-07-20)
QPSK Modem\PerformanceAnalyzer.cpp (4312, 1998-07-29)
QPSK Modem\modulator.cpp (1826, 1998-06-25)
QPSK Modem\InputParameters.txt (442, 1998-10-13)
QPSK Modem\ImpulseGenerator.cpp (841, 1998-06-24)
QPSK Modem\GaussianNoiseGenerator.cpp (1284, 1998-06-25)
QPSK Modem\EnergyDetector.cpp (710, 1998-06-30)
QPSK Modem\DQPSKtransmitter.cpp (4081, 1998-07-29)
QPSK Modem\DQPSKreceiver.cpp (4418, 1998-10-13)
QPSK Modem\DQPSKmodem.cpp (2981, 1998-10-13)
QPSK Modem\DiffEncoder.cpp (678, 1998-06-22)
QPSK Modem\DiffDetector.CPP (1625, 1998-07-01)
QPSK Modem\channel.cpp (946, 1998-06-26)
QPSK Modem\TimingRecovererOct13.cpp (3439, 1998-10-13)
QPSK Modem (0, 2003-08-13)

This is a readme file for using(running) the DQPSK modem simulation. 1. To compile the simulation program, you will need a Borland C++ 5.0 compiler or an equivalent C++ compiler. 2. The main program is in the file "DQPSKmodem.cpp", so make sure you build this file ONLY!!! 2. Before running the simulation program, you will need to create an input file("InputParameters.txt") for the program first. 3. To modify the parameters to the program, open this input file and modify it accordingly. 4. Go to DOS-prompt and type the executable program name to start the program. 5. You might also need to look at the "backgrounds.doc" for some background theories which might help you to understand the program 6. If you have any problems on running the program, feel free to send me an e-mail: 4cl2@qlink ******************************************************************************* Sample output of the program: Transmitting 10000(100 for training)bits... Adding AWGN(variance=150 Mean=0)... Receiver 0 Receiving... Receiver 0 Detecting... Receiver 0 Shuting down... Receiver 0 timing adjustments(data mode)...: 0 Receiver 1 Receiving... Receiver 1 Detecting... Receiver 1 Shuting down... Receiver 1 timing adjustments(data mode)...: 0 Calculating SNR... Calculating BER... ================================= Total bits compared: ***86 Total error bits: 0 Bit Error Rate: 0 SNR(dB): 14.352 ================================= ********************************************************************************

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