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反馈闭系统,其中包含着虚拟与现两者之间双向信息传递。

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.

字信号处理电路谐振式光纤陀螺全字闭是采用双频率字锯齿波相位技术对光路进行了相应和解。

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控技术，不受电网电压波动和焊接电缆长度影响，性能更加稳定。