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| Modeling Highlights | ||
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Wireless LAN Module support simulating
802.11a, 802.11b and Bluetooth |
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Drag-and-drop block diagram construction | |
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200+ communication and mathematical blocks | |
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Analog, digital , and mixed-mode communication system design | |
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Large model development | |
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Explorer window for easy navigation | |
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Hierarchical design with password protection | |
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Embedded diagrams | |
| - | Wire checking | |
| - | Connector labels | |
| - | Global , local ,and scoped variables | |
| - | Search utility | |
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Analog and digital modulators and demodulators | |
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Adaptive equalizers | |
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Encoders and decoders | |
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Vector and matrix operations | |
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Gaussian noise , fading , and multipath channels | |
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Filter design support | |
| - | FIR (lowpass , highpass , bandpass , bandstop , Gaussian , Hilbert , and user-defined) | |
| - | IIR (Bessel , Chebyshev ,Butterworth , inverse Chebyshev , and elliptic) | |
| - | Pulse shaping filters | |
| - | Raised cosine and root raised cosine | |
| - | Arbitrary magnitude and phase | |
| - | Filter response viewer | |
| - | Decimating FIR filters | |
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Phase-locked loops | |
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Distortion true RF elements | |
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Complex math operators | |
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Complex envelope representation | |
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Date I/O in ASCII , M , MAT ,WAV formats | |
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DLL interface to create custom blocks in C , C++ , Fortran , or Pascal | |
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DDE with Copy Link and Paste Link | |
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Multi-document interface | |
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Multi-level undo and redo | |
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Windows Clipboard support | |
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| Simulation Highlights | ||
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Continuous-time , discrete-time , and hybrid simulation | |
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Interactive , batch , auto-restart , and single step execution modes | |
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Euler ,trapezoidal , and Runge Kutta 2nd integration algorithms | |
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Error highlighting | |
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Range checking on communication blocks | |
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Estimation functions for BER , average power ,mean , variance , correlation , and delay | |
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Automated BER generation | |
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MatLab interface for . MAT and . M files | |
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Look-up table wizard | |
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Global variables | |
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Signal probes | |
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Pushbutton conversion of- and z-domain transfer functions | |
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Multi-rate capability | |
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Parameter optimization | |
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Implicit system solvers | |
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| Visualization Highlights | ||
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Interactive plots | |
| - | Basic time domain , XY, frequency , and discrete plots | |
| - | Phase scatter plots | |
| - | Eye plots | |
| - | BER curves | |
| - | Complex FFT plots with averaging | |
| - | External hold capacity | |
| - | Multi XY traces | |
| - | Log , semi-log , dB , and linear scales | |
| - | Multi-plot windows | |
| - | Automatic Y scaling and selectable time axis scaling | |
| - | Full control of X axis ranges | |
| - | Over plotting and zooming | |
| - | Read coordinates mode | |
| - | Data I/O in ASCII , .M , and .MAT formats | |
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Filter Response Viewer | ||
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Graphic and line animation | ||
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Dynamic strip charts , bar graphs , needle meters , and histograms | ||
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| General Highlights | |||
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Integrated VisSim Viewer | ||
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String processing | ||
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WMF format support | ||
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Global , local , and nested aliases | ||
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Mathcad 2000 integration | ||
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| Comm and Standard Block Setes | |||
| The Comm block set includes over 100 blocks in the following categories: | |||
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Channels | |
Filters |
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Complex Math | |
Modulators |
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Decoders | |
Multirate Support |
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Demodulators | |
Operators |
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Digital Elements | |
Phase-Locked Loops |
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Encoders | |
RF Components |
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Estimators | |
Signal Sources |
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Vector Operators | ||
| In addition to the Comm blocks , VisSim/Comm also offers over 100 mathematical , engineering , and scientific blocks for linear , nonlinear , continuous , discrete , multi-rate , SISO , MIMO , and hybrid system design . These blocks are in the following categories : | |||
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Animation | |
Optimization |
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Annotation | |
Random Generator |
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Arithmetic | |
Real Time |
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Boolean | |
Signal Consumer |
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DDE | |
Signal Producer |
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Integraton | |
Time Delay |
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Linear Systems | |
Transcendental |
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MatLab interface | |
Nonlinear |
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Matrix Operations | ||
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| Communications Block Library | |
| Channels | Filters |
| Add. White Gaussian Noise (Complex & Real) | Adaptive Equalizer (Complex & Real) |
| Binary Symmetric Channel | File FIR |
| Jakes Mobile* | FIR |
| Mobile Fading* | IIR |
| Multipath | MagPhase* |
| Propagation Loss* | Pulse Shaping Filter* |
| Rice/Rayleigh Fading | Sampled File FIR* |
| Rummler Multipath | Sampled FIR |
| TWTA* | Modulators |
| Vector AWGN | AM |
| Complex Math | DPSK (2 , 4 , pi/4 , 8 , 16 , 32)* |
| Addition | FM |
| Conjugate | FSK |
| Conversions (Complex & Real) | 1/Q* |
| Division | MSK* |
| Inverse | PM |
| Multiplication | PAM (4 , 8) |
| Power* | PPM |
| Square Root | PSK (2 , 4 , 8* , 16*) |
| Demodulators | QAM (16 , 32 , 64* , 128* , 256*) |
| DPSK Detector (2 , 4 , pi/4 , 8 , 16 , 32)** | SQPSK |
| FM Demodulator | Multirate Support |
| PPM Demodulator | Clock Edge |
| PSK Detector (2 , 4 , 8* , 16*) | Clock Extend |
| PAM Detector (2 , 4 , 8 , 16) | Interpolator |
| QAM Detector (16 , 32 , 64* , 128* , 256*) | Operators |
| Digital Elements | A/D Converter |
| Accumulate and Dump | Compander |
| Buffer and Unbuffer | Complex Exponential |
| Binary Counter | Complex FFT IFFT |
| Bits to Symbol | Conversions |
| Divide by N | Decimation |
| D Flip Flop | Delay (Complex & Real) |
| JK Flip lop | Gain (dB) |
| Mux/Demux* | Integrate & Dump (Complex & Real) |
| Parallel to Serial | I/Q Mapper* |
| Queue* | Max Index |
| Serial to Parallel | Modulo |
| State Machine | Oscilloscope |
| Symbol to Bits | Phase Rotate |
| Encoders and Decoders | Phase Unwrap* |
| Block Interleaver | Polynomial |
| Convolutional Encoder | Spectrum Analyzer (Complex & Real) |
| Convolutional Interleaver* | Vector FFT |
| Depuncture* | Phase-Locked Loops |
| Gary Decoder | Charge Pump |
| Gary Encoder , | PLL Loop Filters ( 2nd & 3rd* order) |
| Puncture* | Type 2 Phase Detector |
| Reed-Solomon Decoder* | Type 3 Phase/Frequency Detector |
| Reed-Solomon Encoder* | Type 4 Phase/Frequency Detector |
| Trellis Decoder* | RF Components |
| Trellis Encoder* | Amplifier |
| Viterbi Decoder (Hard & Soft*) | Attenuator |
| Estimators | Coupler* |
| Average Power (Complex & Real) | Double Balanced Mixer* |
| BER Control (#Errors) | Splitter/Combiner |
| BER Curve Control | Switch |
| Bit/Symbol Error Rate | Variable Attenuator* |
| Correlation* | Signal Sources |
| Delay Estimator | Complex Tone |
| Event Time | File Data |
| Mean | Frequency Sweep |
| Median* | Impulse |
| Variance | Impulse Train |
| Weighted Mean* | Noise |
| Wireless | PN Sequence |
| 802.11 | |
| GFSK-2 | |
| GSK-4 | |
| 802.11 Descrambler | |
| 802.11 Hop Generator | |
| 802.11 Scrambler | |
| Barker Seauence | |
| CRC-16 Generator | |
| 802.11a | |
| 802.11a Convolutional Encoder | |
| 802.11a Depuncture | |
| 802.11a Interleaver | |
| 802.11a Puncture | |
| 802.11a Scrambler | |
| 802.11a Viterbi Decoder | |
| OFDM Demodulator | |
| OFDM Modulator | |
| OFDM Pilot Extract | |
| OFDM Pilot Map | |
| OFDM Vector Demod | |
| OFDM Vector Mod | |
| 802.11b | |
| 802.11b Descrambler | |
| 802.11b High Rate Hop Generator | |
| Barker Sequence | |
| CCK Demodulator | |
| CCK Baseband Modulator | |
| Bluetooth | |
| Bluetooth Hope Generator | |
| Bluetooth Scrambler | |
| Short Hamming Decoder | |
| Short Hamming Encoder | |
| Generic | |
| Frequency Hop | |
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| 選購軟體 | ||
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