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Spectrum Analyzer: MATLAB Exercise (m12379)
Keywords: autocorrelation, bit-reversed, boxcar, DFT, Discrete Fourier Transform, Discrete Time Fourier Transform, DSP, DTFT, Fast Fourier transform, FFT, Fourier transform, hamming, mainlobe, Power Spectra, Power Spectral Density Estimate, PSD, sidelobe, twiddle-factor, windowing, zero-pad
Summary: You will investigate the effects of windowing and zero-padding on the Discrete Fourier Transform of a signal, as well as the effects of data-set quantities and weighting windows used in Power Spectral Density estimation.
Subject: Science and Technology
Language: English
Popularity: 98.67%
Revised: 2004-09-23
Revisions: 2
Lab 3: IIR Filters Overview (m45721)
Author: David Jun
Keywords: bi-quad, block repeat counter, butter, conv, difference equation, direct form II, DSP, ellip, elliptic low-pass filter, feedback, freqz, gain factor, IIR, impulse response, infinite impulse response, linear time-invariant, LTI, nonlinear phase, notch filter, poles, quantize, zeros
Summary: Infinite impulse response (IIR) filters are an alternative to finite impulse response (FIR) filters. Often, an IIR implementaion can meet a given filter specification with less computation than an FIR implementation, but IIR filters induce nonlinear phase and are more sensitive to numerical problems.
Subject: Science and Technology
Language: English
Popularity: 91.11%
Revised: 2013-02-05
Revisions: 2
Multirate Filtering: Filter-Design Exercise in MATLAB (日本語 - Japanese) (m12361)
Keywords: anti-aliasing, anti-imaging, downsample, DSP, filter design, MATLAB, multirate, sample-rate compressor, sample-rate expander, upsample, zero-placement
Summary: z平面に零点を直接配置する手法により、MATLABを用いて低域通過FIRフィルタを設計します。設計したフィルタは、マルチレートシステムにおけるアンチエリアジング・フィルタおよびイメージ成分除去フィルタとして利用することができます。
Subject: Science and Technology
Language: 日本語
Popularity: 88.69%
Revised: 2005-08-17
Revisions: 4
Lab 2: Multirate Filtering (m45710)
Author: David Jun
Keywords: banz, decimation, down-sample, DSP, interpolation, multirate sampling, multirate system, sample-rate compressor, sample-rate expander, up-sample
Summary: You will implement a multirate system that includes three fininte impulse response filters.
Subject: Science and Technology
Language: English
Popularity: 87.64%
Revised: 2013-01-28
Revisions: 2
Lab 3: Prelab (Part 1) (m45719)
Author: David Jun
Keywords: conv, difference equation, direct form II, DSP, ellip, elliptic low-pass filter, freqz, gain factor, IIR, impulse response, infinite impulse response, linear time-invariant, LTI, notch filter, overflow, poles, zeros
Summary: You will derive the transfer function of a second-order, Direct Form II, infinite impulse response (IIR) filter. Then you will create a fourth-order IIR filter, plot its frequency response, and decompose the fourth-order filter into two second-order sections, choosing an appropriate gain for each stage to prevent overflow.
Subject: Science and Technology
Language: English
Popularity: 87.08%
Revised: 2013-02-01
Revisions: 2
Lab 1: Prelab (m45669)
Author: David Jun
Keywords: assembly, DSP, fractional arithmetic, hexadecimal, macm, mov, rpt, two's-compliment
Summary: You will work through a section of TI TMS320C55x assembly code by hand. The instructions include multiplication of fractional numbers in two's complement representation.
Subject: Science and Technology
Language: English
Popularity: 86.25%
Revised: 2013-01-17
Revisions: New
Lab 2: Overview (m45709)
Keywords: decimation, downsample, DSP, interpolation, multirate sampling, multirate system, sample-rate compressor, sample-rate expander, upsample
Summary: A sample-rate compressor removes (D-1) of every D input samples. A sample-rate expander inserts (U-1) zeros after every input sample.
Subject: Science and Technology
Language: English
Popularity: 85.53%
Revised: 2013-01-28
Revisions: New
Lab 4 Prelab 4 (m45766)
Keywords: autocorrelation, bit-reversed, boxcar, DFT, Discrete Fourier Transform, Discrete Time Fourier Transform, DSP, DTFT, Fast Fourier transform, FFT, Fourier transform, hamming, mainlobe, Power Spectra, Power Spectral Density Estimate, PSD, sidelobe, twiddle-factor, windowing, zero-pad
Summary: You will investigate the effects of windowing and zero-padding on the Discrete Fourier Transform of a signal, as well as the effects of data-set quantities and weighting windows used in Power Spectral Density estimation.
Subject: Science and Technology
Language: English
Popularity: 84.97%
Revised: 2013-02-12
Revisions: 3
IIR Filtering: Filter-Design Exercise in MATLAB (m13799)
Keywords: conv, difference equation, direct form II, DSP, ellip, elliptic low-pass filter, freqz, gain factor, IIR, impulse response, infinite impulse response, linear time-invariant, LTI, notch filter, overflow, poles, zeros
Summary: You will derive the transfer function of a second-order, Direct Form II, infinite impulse response (IIR) filter. Then you will create a fourth-order IIR filter, plot its frequency response, and decompose the fourth-order filter into two second-order sections, choosing an appropriate gain for each stage to prevent overflow.
Subject: Science and Technology
Language: English
Popularity: 83.20%
Revised: 2007-01-13
Revisions: 2
Lab 3: Prelab (Part 2) (m45720)
Author: David Jun
Keywords: coefficient quantization, DSP, fixed-point, IIR filter, integer, stability
Summary: You will design a fourth-order notch filter and investigate the effects of filter-coefficient quantization. You will compare the response of the filter having unquantized coefficients with that of a filter having coefficients quantized as a single, fourth-order stage and with that of a filter having coefficients quantized as a cascade of two, second-order stages.
Subject: Science and Technology
Language: English
Popularity: 82.56%
Revised: 2013-02-01
Revisions: New
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