Release 12.1 Highlights

New Products in Release 12.1

Products with Upgrades in Release 12.1

CDMA Reference Blockset 1.1 lets you design and simulate IS-95A mobile phone equipment. New features include:
	•	Frame-based signal support, providing full compatibility with the DSP Blockset and the Communications Blockset

Communications Blockset 2.01 lets you design and simulate communication systems. New features include:
	•	New Getting Started tutorial
	•	New blocks in the Utility Function library that convert between bipolar and unipolar signals
	•	Error Rate Calculation block enhancements, allowing error statistics to determine the duration of the simulation
	•	Integrator block enhancements that allow you to specify the integration algorithm
	•	New function that generates prime numbers for use as initial seed parameters in blocks that produce random output

 

Control System Toolbox 5.1 lets you design and analyze feedback control systems. New features include:
	•	SISO Design Tool enhancements:
		-	Graphical design of pre-filter compensators
		-	Interactive Nichols plot to graphically tune the open-loop gain and phase response
		-	Graphical design constraints to help visualize design criteria such as damping, peak closed-loop gain, gain and phase margins, and open-loop roll-off
	•	Enhanced control algorithms:
		-	M-circle support in the Nyquist plot
		-	New function that calculates the bandwidth of SISO systems
		-	LTI models with complex data that let you specify transfer functions or state-space models with complex coefficients

Data Acquisition Toolbox 2.1 lets you acquire and output data from plug-in data acquisition boards. New features include:
	•	Support for additional National Instruments data acquisition boards: 445x Dynamic Signal Acquisition (DSA) Series boards, additional analog output boards, and digital I/O boards

Database Toolbox 2.2 lets you exchange data with relational databases. New features include:
	•	Retrieval and exporting of data in numeric, structure, or cell array format, as specified via preferences
	•	Additional options for specifying error-handling preferences

Datafeed Toolbox 1.3 lets you acquire real-time financial data from data service providers. New features include:
	•	Support for the Hyperfeed data server
	•	Functions for obtaining price, profits, historical, and tick data from Hyperfeed

DSP Blockset 4.1 lets you design and simulate DSP systems. New features include:
	•	Infrastructure improvements for more efficient code generation
	•	Additional data type support (including single precision and fixed-point) for several of the DSP blocks
	•	Blocks for adaptive filtering
	•	Integration with FDATool, a GUI for filter design and analysis provided in the Signal Processing and Filter Design Toolboxes

Filter Design Toolbox 2.1 lets you design advanced digital filters and fixed-point implementations. New features include:
	•	New FIR and IIR filter design methods, including halfband FIR design, Nyquist (L-th band) design, and interpolated FIR design
	•	Design methods for adaptive filters, including Kalman, least mean squares, and recursive least squares
	•	Minimum phase spectrum factorization

Fixed-Point Blockset 3.1 lets you design and simulate fixed-point systems. New features include:
	•	More than 60 new blocks that streamline common operations, such as performing calculations that depend on sample time, generating arbitrary wave forms, and limiting the rate of control signals
	•	Tools to support approximating functions with look-up tables
	•	Support for matrix- and frame-based signals
	•	More efficient code generation

Image Processing Toolbox 3.1 lets you perform image processing, analysis, and algorithm development. The Image Processing Toolbox 3, released recently in Web-downloadable form, included the following enhancements:
	•	New morphology functions
	•	New spatial transformation functions
	•	New image registration functions, with a new visual interface
	•	New integer image arithmetic functions
	•	New integer image filtering function
	•	New image deblurring (deconvolution) functions
	•	Support for files in DICOM format (a common format in medical applications)
	•	New image processing demos and examples

Features introduced in version 3.1 (in Release 12.1) include:
	•	New blind deconvolution (deblurring) algorithm
	•	DICOM import enhanced to include JPEG-compressed DICOM files
	In addition, support for the FITS and CDF file formats is now provided in MATLAB 6.1

Power System Blockset 2.2 lets you model and simulate electrical power systems. New features include:
	•	Powergui tool that includes the Display Spectrum of Signal feature, which displays the fast Fourier transform of a specified signal
	•	powerlib_extras library blocks with online Help block reference pages or short help descriptions in their masks

Real-Time Windows Target 2.1 lets you run Simulink and Stateflow models on a PC in real time. New features include:
	•	Over 90 new device drivers, for a total of 208 supported I/O boards
	•	Two new blocks: Counter Input and Encoder Input
	•	Counter support added to device drivers for most boards that contain a counter chip

Real-Time Workshop 4.1 lets you generate C code from Simulink models. New features include:
	•	New expression-folding code optimization, improving code efficiency and readability
	•	Block-reduction option that is turned on by default, resulting in faster model execution
	•	Enhancements to the readability of the generated code, including elimination of redundant parentheses, splitting of long C statements across multiple lines, and generation of more informative block comments
	•	Complete documentation for the parameter tuning C API
	•	Display and updating of the simulation time while Simulink is connected to a running external mode target
	•	TLC debugger that helps you identify programming errors in your TLC code by setting breakpoints, executing the code line by line, examining and changing variables, and performing other useful operations

Real-Time Workshop Embedded Coder 2 lets you generate efficient and embeddable C code from Simulink models (requires Real-Time Workshop). New features include:
	•	New expression-folding code optimization, improving the efficiency of the generated code
	•	Streamlined model initialization code, avoiding redundant initialization
	•	Code generation option for controlling the initialization of internal and external storage for floats and doubles
	•	Support for using predefined or creating custom storage classes for Simulink data objects, letting you interface with external code, use software engineering constructs to export data structures, import legacy data structures into generated code, or automatically generate data exchange standards, such as ASAM/ASAP2
	•	Enhanced code-generation report format, improving readability
	•	MAT-file logging option that is off by default, eliminating the extra code and memory usage required to maintain logging files

Signal Processing Toolbox 5.1 lets you perform signal processing, analysis, and algorithm development. New features include:
	•	New data windowing algorithms
	•	Filter Visualization Tool, a new feature of FDATool that lets you view multiple filters and visualize filter analysis functions, such as phase, magnitude, and impulse response, in a single window

Simulink Performance Tools 1.1 lets you manage and optimize the performance of large Simulink models. New features include:
	•	Model Coverage Tool with three new coverage types: condition coverage, modified condition/decision coverage, and look-up table coverage
	•	Additional block types supported by the Model Coverage Tool, including Look-Up Table, Look-Up Table (2-D), Combinatorial Logic, If, Logical Operator, MinMax, Relay, and Switch Case
	•	New Graphical Merge Tool (replacing the Model Differencing Tool) for detecting and merging model differences into either or both of the models being compared. New features include:
		-	New comparison options to compare an in-memory version of a model to the version last saved in the file system or to a version stored in a source control system
		-	Model history lists that display on each model content pane
		-	Single scrollbar for scrolling both panels simultaneously
		-	Feature that aligns the contents of both models for easier visual comparison

Simulink Report Generator 1.2 lets you automatically generate documentation for Simulink and Stateflow models. New features include:
	•	Sorted Block List component that no longer requires Real-Time Workshop
	•	Block Loop and Block Summary Table that no longer require Real-Time Workshop to perform simulation order sorting
	•	Look-Up Table component that supports n-D Look-Up Table, n-D PreLook-Up Table, and n-D Direct Look-Up Table blocks
	•	Simulink Snapshot and Stateflow Snapshot components that can now include image titles

Stateflow 4.1 and Stateflow Coder 4.1 let you design, simulate, and generate code for event-driven systems. New features include:
	•	More search options in Stateflow's Search & Replace tool
	•	Stateflow charts that include the graphical innovation of "smart" transitions whose ends slide around the surfaces of states and junctions
	•	Chart annotation (similar to Simulink annotation)

Wavelet Toolbox 2.1 lets you analyze, compress, and de-noise signals and images using wavelet techniques. New features include:
	•	New Wavelet families, including complex Morlet and Gaussian wavelets and real reverse biorthogonal and discrete Meyer wavelets
	•	New GUI tools for continuous and complex continuous wavelet 1-D transforms, signal and image de-noising, density estimation and regression estimation, and signal and image extension/truncation
	•	New functions, including 1-D and 2-D discrete stationary wavelet transforms and their inverse, 1-D and 2-D threshold computation methods, and 2-D scaling functions
	•	Reorganized GUI menus, allowing for easier implementation of important features for analyzing wavelets

xPC Target 1.2 lets you perform real-time rapid prototyping using PC hardware. New features include:
	•	New device driver blocks for additional I/O boards
	•	New blocks to support a GPIB field bus as well as CAN and CAN FIFO networks
	•	Support for creating subsystems that execute asynchronously when an event (interrupt) occurs
	•	Software floating-point emulator
	•	Support for 100 Mbit/second Ethernet communication
	•	Faster uploading