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SIGNAL PROCESSING BLOCKSET 7
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dspstartup
6-6
See Also
StartTime
0.0
StopTime
inf
FixedStep
auto
SaveTime
off
SaveOutput
off
AlgebraicLoopMsg
error
InvariantConstants
on
RTWOptions
[get_param(0,'RTWOptions')',
-aRollThreshold=2']
Parameter
Setting
startup
MA
TLAB
1
2
...
712
713
714
715
716
717
718
719
720
721
722
...
737
738
Blockset
1
How to Contact The MathWorks:
2
Contents
3
Working with Signals
4
DSP Function Reference
10
Introduction
11
1 Introduction
12
Welcome to the DSP Blockset
12
What Is the DSP Blockset?
13
Frame-Based Operations
13
Matrix Support
14
Statistical Operations
15
Linear Algebra
15
Parametric Estimation
15
Real-Time Code Generation
15
What Is in the DSP Blockset?
16
Installation
17
How to Use This Guide
19
Signal Dimension Nomenclature
20
Sampling Nomenclature
21
R12 Related Products
23
DSP Blockset
25
The Simulink Environment
27
Simulink on PC Platforms
27
Simulink on UNIX Platforms
28
The Simulink Libraries
29
Model Definition
29
parameters. They also both
31
Model Simulation
32
0.1 for Time
33
[1 5] or
33
Learning More About Simulink
34
Fixed-step option in the
35
Using dspstartup.m
36
Customizing dspstartup.m
36
Performance-Related Settings
37
Simulink and the DSP Blockset
38
Parameters
38
Miscellaneous Settings
39
Signal Concepts
43
Source Blocks
49
Nonsource Blocks
50
Error: Continuous sample
50
Multichannel Signals
51
Accelerating Simulations
55
Sample Rates and Frame Rates
57
0, as explained in
58
Red = fastest sample rate
59
Direct Rate Conversion
61
Sample time and Samples per
63
Changing Frame Status
71
Creating Signals
73
•Sample time
77
Constructing Signals
82
Number of inputs = 2
85
Signal = 5*ones(10,1)
87
Initial
93
Signal = randn(3,2,10)
95
Select = Rows
95
- Starting column index = 1
96
3 Working with Signals
100
Deconstructing Signals
101
Importing Signals
102
Importing WAV Files
111
Exporting Signals
112
Using the To Workspace Block
116
Stereo check box. See the
119
Viewing Signals
120
Example: Displaying Matrices
123
= 0:pi/64:pi
124
•Ending column offset = 1
124
Delay and Latency
125
Reducing Computational Delay
125
Zero Algorithmic Delay
127
Basic Algorithmic Delay
129
Predicting Tasking Latency
132
Type = Fixed-step
135
Mode = SingleTasking
135
DSP Operations
137
4 DSP Operations
138
Overview
138
Filters
139
Multirate Filters
145
Transforms
146
Example: Using the FFT Block
146
Example: Using the IFFT Block
148
Power Spectrum Estimation
151
Example: LU Solver
153
Example: LU Inverse
155
Statistics
157
Example: Sliding Windows
158
Running Operations
159
DSP Blockset Demos Overview
160
Communications Demos
161
Filtering Demos
161
DSP Block Reference
163
5 DSP Block Reference
164
About Tunable Parameters
165
About Supported Data Types
165
Block Library List
171
Analytic Signal IDCT
179
Complex Cepstrum IFFT
179
DCT Real Cepstrum
179
Analog Filter Design
180
Supported
183
Data Types
183
See Also
183
Analytic Signal
184
Autocorrelation
186
Dialog Box
187
Autocorrelation LPC
188
Backward Substitution
192
Biquadratic Filter
194
Sample-Based Operation
198
Sample-based input
199
Frame-based output
199
Frame-Based Operation
200
Latency Zero Latency
201
Nonzero Latency
202
Burg AR Estimator
205
Burg Method
207
Check Signal Attributes
211
Library DSP Sources
218
These diagrams apply
220
Initial frequency (Hertz), f
221
Unidirectional
221
Sweep time, T
221
Bidirectional
221
Sweep time, 2
221
Block Computation Methods
222
Quadratic, or Logarithmic
224
1 second), the Target
226
Sweep time (1.5 seconds)
229
Target frequency parameter
230
AMPLITUDE
231
Cholesky Factorization
235
Cholesky Inverse
237
Cholesky Solver
239
Complex Cepstrum
241
Complex Exponential
243
Constant Diagonal Matrix
244
parameter
246
Constant Ramp
247
Contiguous Copy
248
Convert 1-D to 2-D
250
Convert 2-D to 1-D
252
∗) as a guide to wiring
253
∗ symbol
253
Convolution
257
Correlation
259
5Counter
261
Free-Running Operation
263
Covariance AR Estimator
268
Covariance Method
270
Create Diagonal Matrix
272
Cumulative Sum
273
Power Inputs
275
Voltage Inputs
275
Library Transforms
279
Delay Line
281
5Detrend
285
Difference
286
Digital Filter Design
288
Initial Conditions
292
Discrete Impulse
295
Output Sequence (K=4)
298
Downsample
299
) appears in the output as
303
DSP Constant
305
5DSP Constant
305
Dyadic Analysis Filter Bank
308
Dyadic Synthesis Filter Bank
316
Edge Detector
323
Event-Count Comparator
325
Extract Diagonal
327
Extract Triangular Matrix
328
Valid Block Inputs
331
Dimension Along
331
Which Block
331
Computes DFT
331
Twiddle factor computation
335
Parameter Setting
335
Sine and Cosine Computation
335
Effect on Block Performance
335
Speed 3N/4 1536 bytes
336
Memory N/4 + 1 516 bytes
336
Look under mask. Look under
337
Filter Realization Wizard
340
5Filter Realization Wizard
340
Fixed-Point Options
341
Example 1: Direct Form II
342
Example 3: Nth Order Sections
344
Example 4: ARMA Lattice
345
FIR Decimation
350
Examples Example 1
353
FIR Interpolation
357
FIR Rate Conversion
364
Forward Substitution
370
Frame Status Conversion
372
From Wave Device
374
5From Wave Device
374
Buffering
375
From Wave File
379
Histogram
381
Running Operation
382
Identity Matrix
387
Skip normaliza
391
Conjugate Symmetric Input
392
Inputs in Bit-Reversed Order
393
Inherit Complexity
396
Integer Delay
398
Delay: [2 0 5]
404
Initial conditions: 0
404
Kalman Adaptive Filter
406
LDL Factorization
411
LDL Inverse
414
LDL Solver
416
Least Squares Polynomial Fit
418
Levinson-Durbin
421
Applications
422
LMS Adaptive Filter
425
LU Factorization
429
LU Inverse
431
LU Solver
432
Magnitude FFT
434
Matrix 1-Norm
437
Matrix Multiply
439
Matrix Product
441
Matrix Scaling
443
Matrix Square
445
Matrix Sum
447
Matrix Viewer
449
Library Statistics
455
Value Mode
455
Index Mode
455
Value and Index Mode
456
Running Mode
456
Basic Operation
460
Modified Covariance Method
473
Multiphase Clock
476
Multiport Selector
479
5Multiport Selector
479
N-Sample Enable
482
N-Sample Switch
484
5N-Sample Switch
484
Normalization
486
Overlap-Add FFT Filter
488
Overlap-Save FFT Filter
491
Library Signal Operations
494
Permute Matrix
496
5Permute Matrix
496
Polynomial Evaluation
500
Polynomial Stability Test
502
Pseudoinverse
504
QR Factorization
506
QR Solver
508
Register size parameter, and
510
Clear input check box)
510
Example 2
512
Random Source
515
Sample Period
518
Real Cepstrum
522
Reciprocal Condition
524
Maintain input frame rate
527
Initial condition
528
RLS Adaptive Filter
532
Sample and Hold
540
Short-Time FFT
542
Signal From Workspace
545
Signal To Workspace
549
Output Dimension Summary
550
Sine Wave
555
Singular Value Decomposition
562
Spectrum Scope
566
Standard Deviation
575
Submatrix
579
N/2 by the
581
•Starting column offset = 1
582
SVD Solver
587
Time Scope
589
5Time Scope
589
Library DSP Sinks
589
Filter Type
590
Filter Update Rate
592
Time-Varying Lattice Filter
595
Toeplitz
599
5Toeplitz
599
To Wave Device
601
5To Wave Device
601
To Wave File
606
5To Wave File
606
Transpose
608
Triggered Delay Line
610
Trigger Event
613
Initial and Final Conditions
613
Triggered To Workspace
617
5Triggered To Workspace
617
Unbuffer
620
Uniform Decoder
623
Uniform Encoder
627
The Two Unwrap Modes
632
Tolerance parameter)
634
Tolerance parameter = π
634
Unwrap Method
636
Definition of Phase Unwrap
636
Method” on page 5-479
637
0 pi 2pi 3pi 4pi 5pi 6pi
638
Upsample
641
Variable Fractional Delay
648
Interpolation Modes
649
Variable Integer Delay
653
Variable Selector
661
5Variable Selector
661
Variance
664
Vector Scope
668
Display Properties
672
Axis Properties
673
Line Properties
675
Scope Window
678
Display Properties Dialog Box
681
Line Properties Dialog Box
684
Wavelet Analysis
686
Filter Coefficients
687
Tree Structure
687
Wavelet Synthesis
692
Window Function
698
Window Sampling
699
Window Type
699
Yule-Walker AR Estimator
703
Yule-Walker Method
706
Zero Pad
709
6 DSP Function Reference
713
Syntax dsp_links
714
Syntax dsplib
715
6dspstartup
716
Syntax dspstartup
716
Syntax liblinks
718
Numerics
720
RTWOptions parameter 2-15
733
SaveOutput parameter 2-13
733
SaveTime parameter 2-13
733
Solver parameter 2-15
735
StopTime parameter 2-15
735
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