According to embodiments of the present invention, by adjusting an amplifying level for a push-pull signal according to a radio frequency sum signal generated on the basis on a signal detected by an optical pickup, a level difference can be reduced between a signal detected from a pre-pit adjacent to a marked area and a signal detected from the pre-pit adjacent to a space area.
根据本发明实施例，通过根据在由光学拾取器检测到的信号的基础上产生的射频和信号，对推挽信号调整放大级别，从接近标记区域的预制凹坑检测的信号与从接近空白区域的预制凹坑检测到的信号之间的电平差别可被减小。
In order to solve the problems that accident of lane way transportation occurs frequently and at present some system of lifting signal device, resisting device of carrier, the controller of winch inverter-driven are bought from different company used in coal pit. Each system has its own equipment different from each other, it cause a lot of waste. And the waste of management and maintenance are increasing because of the difference of equipment. When lane way two track lifting, the worker underside may pull the rail switch incorrectly. It may lead to economy losses and even injury and death of person. This thesis designs an integrated monitoring and control system for lane way safety.
针对斜巷运输事故多发以及目前有些矿井斜巷采用的提升信号系统、挡车装置、变频器控制等设备来自不同厂家，每个系统均上一套设备，造成资源严重浪费，且设备规格、型号不同，致使管理和维护工作量增大等现象，以及针对斜巷双轨提升时，下口扳道工可能扳错道岔，轻者造成经济损失，重者造成人员伤亡的情况。
Results Parietal cells of gastric gland and epithelium of gastric pit were detected to have GnRHR mRNA hybridization signal.
盲肠、结肠和直肠的粘膜上皮细胞、肠腺上皮细胞也能检测到GnRH受体mRNA杂交信号。
To realize the analysis of short time of speech signal by Matlab, including the judgement of surd and sonant, the estimate of the pit...
用matlab实现对语音信号的短时分析，包括清音和浊音的判决，基音周期的估计，实验报告。
The SEM photos indicated that no signal of pit corrosion and intercrystalline corrosion was found under different corrosion condition. It shows that the composite corrosion inhibitor is an excellent corrosion inhibitor on the surface of zinc in 0.5mol · dm-3 nitric solution.
扫描电镜照片显示无点蚀、晶间腐蚀等非均匀腐蚀现象。该复合缓蚀剂是硝酸介质中锌的优良缓蚀剂。
Research and Application of Multi-Signal Integration & Amalgamation Technology in Roller-Type Annealing Stove Steel Billet Temperature Monitoring System; bottom two way fired pit
多信息集成与融合技术在辊底式加热炉钢板温度监测系统中的应用研究
Dynamic Study on Fast Detection Circuit for Fault Electric Signal in Underground Pit of Coal Mine
煤矿井下故障电信号快速检测电路的动态研究
This paper introduces controlled blasting technology on signal chamber of pit-bottom and main haulage roadway, which are of complex condition, lithological character and highly security.
介绍了采用控制爆破技术施工位于井底车场及主要运输大巷的信集闭峒室，条件复杂，岩性变化大，要求安全性高。
The panel used to signal to drivers their split-second pit stops for fuelling or maintenance will bear the Swiss watch-maker's name for another exciting season.
在激动人心的下个赛季，这块用于提示赛车手临时加油或维修的小圆形面板，将刻上这一瑞士手表制造商的名称。
For SWM multi-level, a sub-pit/sub-land is inserted into the original land/pit in order to change the waveform of readout signal. The waveform is used for level differentiation.
波形调制多阶是在原有二值存储的原始坑和岸中加入子岸和子坑，以改变读出信号的波形，并把波形作为阶次识别的标志。
For SWM multi-level, a sub-pit / sub-land is inserted into the original land / pit in order to change the waveform of readout signal. The waveform is used for level differentiation.
波形调制多阶是在原有二值存储的原始坑和岸中加入子岸和子坑，以改变读出信号的波形，并把波形作为阶次识别的标志。