ocr: FIGURE 2 New model for concurrent software and hardware development. System Definition - System Design.and Validation : - Systeni Manutacturing atan ina a Virtual Environment - - and Abstract Level Using Target Models. Acceptance Testing - Test Veciors Co-tesign Soltware AURLULISS" Development Sistemn Syuten - &e HILHRI 4 20 - Letel. Lest Virtual Amalysis WSW Simcation Protodype Partitioning Virtual Hardware Development - Requirements Model Fidelity changes Ilecign changes Roquirements anges Product Fidtlity