Virtual haptical system is a circulate feedback closed loop, including bidirectional information transfer between virtual and really environment.

虚拟触觉系统是一个触觉信息循环反馈的闭环系统,其中包含着虚拟环境与现实环境两者之间双向的信息传递。

This paper presents an all-digital close-loop operation based on DSP circuits, which uses the two-frequency serrodyne modulation to modulate and demodulate the optic route.

信号路的谐振式光纤陀螺全闭环是采用双频率波相位调制技术对光路进行了相应的调制和解调。

Main loop uses silicon-controlled hexaphase half-wave closed loop control technology, not influenced by electrical network voltage undulation and welding cable length, the performance is more stable.

主回路采用可控硅六相半波闭环控制技术，不受网压波动和焊接缆长度的影响，性能更加稳定。