最近接触了一个电磁兼容方面的软件：Apsim。看了其介绍感觉很爽，苦于没能下载到破解版，不能亲自体验，现对这个软件做简单的介绍，有此软件的同志不要吝啬，麻烦传我啊，多谢了。
Applied Simulation Technology (Apsim) develops Signal IntegrITy, Power Integrity and EMI/EMC analysis software for IC, Package and PCB design considering Imperfect / Non-Ideal Power / Ground.
Features:
Full scale / Mixed simulation of IC,
Package / PCB
Imperfect/Non Ideal Ground
Modeling handing arbitrary
shape Patterns
2D and 3D Full-Wave Field Solvers
Super Linear Solver
Mixed SPICE / IBIS
Model Order Reduction
Parallel Processing by partitioning
Support 32 bit OS and 64 bit OS
包含的模块有：
| Simulators | Modelers |
| ApsimSPE (Signal Integrity, Power Integrity and EMI Simulator) | ApsimRLGC (2d+ capacitive field solver) |
| ApsimSI - PCB (Advanced Signal Integrity Simulator for PCB) | ApsimIBIS-LCR 2 (Electrical Characterization of IC Packages) |
| ApsimSI - IC (Advanced Signal Integrity Simulator for IC's) | ApsimLPG (Accurate LSI model for Common Mode EMI and SSO) |
| ApsimPI-LSI (Full Chip Power Integrity considering Silicon Substrate Effects) | ApsimIBIS-Took Kit (SPICE to IBIS) |
| ApsimFDTD (3D-full wave Electromagnetic Simulator) | ApsimSPAR (Returns S-parameters) |
| ApsimFDTD-SPICE (Full Wave Non-linear Signal Integrity and EMI Solution) | ApsimPLANE (3d inductive field solver) |
| ApsimFDTD-SPAR (Full Wave Electromagnetic Solver) | ApsimCAP3-D (3d capacitive field solver) |
| ApsimRADIA (EMC/EMI Radiated Emission Noise Simulation) | ApsimMPG (Model Package Generator) |
| ApsimRADIA-WB (Design Workbench for EMI Analysis) | ApsimIBIS-Translator (IBIS to SPICE) |
| ApsimDELTA-I (Ground/Power Plane Noise Simulator) | ApsimTSG (Table SPICE Generator) |
| ApsimSPICE (Advanced Circuit Simulator) | |
| ApsimOMNI (Signal and Ground/Power Plane Analysis) | |
| ApsimR-PATH (EMI Path Analyzer) | |
| ApsimLCD (Advanced LCD Simulator) |
官方网站：
http://www.apsimtech.com/
