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Adaptive Filtering: LMS Algorithm (m10481)
Keywords: adaptive filtering, DSP, gradient descent, LMS, system identification
Summary: This module introduces adaptive filters through the example of system identification using the LMS algorithm. The adaptive filter adjusts its coefficients to minimize the mean-square error between its output and that of an unknown system.
Subject: Science and Technology
Language: English
Popularity: 99.36%
Revised: 2009-06-01
Revisions: 15
Addressing Modes for TI TMS320C54x (m10806)
Keywords: absolute addressing, accumulators, addressing modes, data pointer, direct addressing, dmad, DP, DSP, dst, immediate addressing, indirect addressing, K, #k3, #k5, #k9, labels, #lk, memory-mapped registers, MMR, MMRx, MMRy, pmad, Smem, SP, src, stack pointer, Xmem, Ymem
Summary: The TI TMS320C54x microprocessor provides a number of ways to specify the location of data to be used in calculations. Immediate addressing, direct addressing, and indirect addressing are the three main types. Knowing the basic addressing modes of a microprocessor is important because they map directly into assembly language syntax ... given task.
Subject: Science and Technology
Language: English
Popularity: 94.15%
Revised: 2004-02-25
Revisions: 8
Audio Effects: Real-Time Control with the Serial Port (m10483)
Keywords: delay, DSP, echo, feedback, graphical user interface, serial port
Summary: You will implement a feedback-echo effect and adjust its parameters in real time with a MATLAB graphical user interface.
Subject: Science and Technology
Language: English
Popularity: 91.40%
Revised: 2009-06-01
Revisions: 25
Audio Effects: Using External Memory (m10480)
Keywords: audio effects, delay, DSP, echo, external memory, memory map, READPROG, WRITPROG
Summary: You will implement three audio effects: a fixed-length delay, a variable-length delay, and a feedback-echo. All require storing many samples in external memory.
Subject: Science and Technology
Language: English
Popularity: 90.90%
Revised: 2009-06-03
Revisions: 18
Core File: Accessing External Memory on TI TMS320C54x (m10823)
Keywords: data memory, DSP, extended addressing, external memory, internal memory, memory map, off-chip memory, on-chip memory, overlay, OVLY, PMST, program memory, READPROG, WRITPROG
Summary: Large amounts of data can be stored in external memory. The READPROG and WRITPROG macros copy data between internal memory and external memory.
Subject: Science and Technology
Language: English
Popularity: 80.19%
Revised: 2004-02-25
Revisions: 8
Core File: Introduction to Six-Channel Board for TI EVM320C54 (m10513)
Keywords: core code, data, DSP, edata, etext, ldata, linker, memory map, scratch, sdata, test vector, text
Summary: The six-channel board for the TI EVM320C54 offers two channels of input and six channels of output at a sample rate of 44.1 kHz. It can also communicate with the PC via a serial port connection. The file thru6.asm exercises these inputs and outputs. The linker provides several sections ... DSP systems.
Subject: Science and Technology
Language: English
Popularity: 86.69%
Revised: 2004-02-25
Revisions: 14
Core File: Serial Port Communication Between MATLAB and TI TMS320C54x (m10821)
Keywords: DSP, graphical user interface, GUI, readser, serial port, writser
Summary: The core file provides two macros, READSER and WRITSER, for communicating with a PC via the serial port. One can create graphical user interfaces in MATLAB to control the DSP in real time.
Subject: Science and Technology
Language: English
Popularity: 91.96%
Revised: 2004-02-25
Revisions: 8
Debugging and Troubleshooting in Code Composer (m10522)
Keywords: breakpoint, Code Composer, debugging, DSP, power-cycle
Summary: This module explains debugging and troubleshooting strategies for Code Composer Studio.
Subject: Science and Technology
Language: English
Popularity: 80.61%
Revised: 2004-02-25
Revisions: 10
Digital Receiver: Carrier Recovery (m10478)
Keywords: BPSK, carrier recovery, coherent demodulation, digital communications, DSP, interpolation, numerically-controlled oscillator, phase-locked loop, QPSK, voltage-controlled oscillator
Summary: The phase-locked loop (PLL) is a critical component in coherent communications receivers that is responsible for locking on to the carrier of a received modulated signal. A PLL adjusts the phase of a numerically-controlled oscillator to match that of the received signal. You will simulate a carrier recovery ... the DSP.
Subject: Science and Technology
Language: English
Popularity: 97.14%
Revised: 2009-06-03
Revisions: 17
Digital Receivers: Symbol-Timing Recovery for QPSK (m10485)
Keywords: delay-locked loop, DSP, matched filter, noise, quadrature phase-shift keying, receiver
Summary: The goal of symbol-timing recovery is to sample message signals at the receiver for best performance. After the in-phase and quadrature signals pass through a matched filter, a delay-locked loop attempts to find the peaks in the output waveforms.
Subject: Science and Technology
Language: English
Popularity: 97.48%
Revised: 2005-07-29
Revisions: 15
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Total Collections: 1317
Total Modules: 21936