photoelectric voltage 中文意思是什麼
photoelectric voltage
解釋
光電電壓- photoelectric : adj. 【物理學】光電的。
- voltage : n. 【電學】電壓，電壓量，伏特數。 the working voltage （電氣的）耐壓限度。
-
Studies of photoelectric property about nanocomposite oxide with sno2 and a - fe2o3 using sol - gel method we prepared nanocomposite oxide with sno2 and a - fe2o3, we analyzed it ' s property with xrd uv spectra surface photo voltage spectra ( sps ) and field induced surface photovoltage spectra ( fisps )
一fez仇復合氧化物納米粒子，並用xrd 、紫外可見吸收光譜、表面光電壓譜（ sps ）以及場誘導表面光電壓譜（ fisps ）進行了分析和表徵。 -
In order to enhance the precision, this design proposes that temperature - measuring circuit of platinum resistors and software should be employed to carry on adjustment of measured precision ; it also proposes that the interference of the grid can be reduced by the voltage front feed ; and meanwhile it calls for the application of the photoelectric insulation, the over heating protection and alarm so as to enhance the security performance of the system
為了提高精度，本設計還採用了鉑電阻溫度測量電路，並利用軟體對測量精度進行自校準；通過電壓前饋控制減少電網干擾。此外，設計中還加入了光電隔離措施及過熱自動保護和報警功能，以增強系統的安全性能。 -
At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder
硬體方面，採用脈沖分配器和單極性電壓驅動技術實現了步進電機的控制和驅動功能;採用脈寬調制技術和cmos互補h橋驅動技術實現了直流伺服電機的控制和驅動功能;採用d / a轉換器實現了交流變頻器的控制功能;採用數字化相位檢測技術實現了感應移相器位置反饋信號的檢測功能;採用dsp的捕獲單元實現了光電編碼器位置反饋信號的檢測功能。 -
Firstly, the whole scheme of the transducer is designed, the transducer includes capacitance / voltage converting, ripple - control capacitor switching, magnify - multiple switching, a / d converting, singlechip, photoelectric isolation and rs - 485 serial communication, etc. the measurement of microcapacitor is the key technology of transducer
首先對變送器部分進行了整體的方案設計，變送器由電容/電壓轉換、紋波控制電容切換、放大倍數切換、 a / d轉換、單片機、光電隔離和rs485串口通訊等幾部分組成。 -
The thesis analyses the problems on the noise of apd photoelectric receiving system. author designs apd laser signal receiving system circuits, front amplify circuit, controlling time - series logic circuits, dc / dc transform circuits. and takes apd bias voltage fuzzy control
分析了apd光電接收系統的噪聲問題，並對apd激光信號接收系統電路、前置放大電路、控制時序邏輯電路、 dc / dc變換電路進行了設計，採取了apd偏壓模糊控制。 -
From the view of auto control, system of plc is successfully applied to the system of high voltage, using photoelectric isolated circuit to solve the problem of electromagnetic disturbance
在系統控制方面，把plc系統成功的應用在高電壓系統中，通過隔離，解決了干擾問題。 -
But the power electronic devices in pwm power amplifier are working in the on - off state, easily producing the over - voltage and over - current phenomena. under tht condition the power electronic devices are bearing higher dv / dt, di / dt and more energy losses, influencing itself capability and life - span. at the same time, the dv / dt, di / dt also cause the severe electromagnetism disturbances, such as the disturbances in the photoelectric theodolite will make the other systems working improperly
然而在pwm功率放大器的主迴路中電力電子器件工作在開關狀態，易產生過壓、過流現象，器件承受較高dv dt 、 di dt並產生較大的損耗，影響器件本身的性能和壽命，同時dv dt 、 di dt還會產生嚴重的電磁干擾，如在光學測量設備中，這種干擾將會影響其它系統正常運行。
分享友人