【摘要】 提出并实现了一种用于心理学实验的毫秒级三视场速示器,突破了计算机屏幕不能高速切换图像信息的瓶颈.系统由微控制器主控电路、液晶显示模块和上位机控制软件等3个部分组成.微控制器主控单元采用Silicon Lab公司的C8051F020型混合信号微处理器,负责实时控制实验进程;上位机软件负责实验数据的设定和存储.系统的显示和计时精度达到了1 ms.更多还原

【Abstract】 A tri-field tachistoscope based on TFT-LCD is designed for psychological experiments.The system is composed of MCU model,LCD model,and upper computer.The MCU,e.g.Silicon Lab C8051F020 controls the process of experiment.The experimental data are configured and saved by software in the upper computer.The display and timing precision of tachistoscope is up to 1 ms.更多还原