step current造句
例句與造句
- 3 . a coating defect detection method which uses small amplitude lasting sine or step current is used , whose feasibility is testified during practical process . 4
采用小幅度正弦恒電流激勵(lì)和恒電流階躍激勵(lì)的涂層缺陷檢測(cè)方法,并在實(shí)用過程中證明了該方法的可行性。 - Combinations of igbts controlled by four - step current commutation algorithm , was implemented by the cpld , which was also forecasted and validated by the simulation and experiment
為進(jìn)行對(duì)矩陣式變換器系統(tǒng)的實(shí)驗(yàn)研究,采用cpld (復(fù)雜可編程邏輯器件)實(shí)現(xiàn)了igbt組合雙向開關(guān)的四步換流邏輯控制,并通過仿真和實(shí)驗(yàn)進(jìn)行了預(yù)測(cè)和驗(yàn)證。 - Due to the lack of the true bi - directional switches at present , the combinations of igbts controlled by four - step current commutation algorithm were adopted in the simulation , which made the study very close to the reality
針對(duì)當(dāng)前尚無雙向開關(guān)器件的現(xiàn)狀,仿真中首次采用了igbt組合雙向開關(guān)并應(yīng)用四步換流控制實(shí)現(xiàn)開關(guān)的安全切換,仿真結(jié)果非常貼近實(shí)際。 - Transient electromagnetic methods ( tem ) can be called as time domain electromagnetic methods . the exploration equipments of tem include two units : transmitter and receiver . emission current falls down from i to 0 suddenly when step current passes through the transmitter loop
瞬變電磁探測(cè)需要發(fā)射的電流激勵(lì)信號(hào)要足夠強(qiáng)、功率足夠大,發(fā)射電流波形的關(guān)斷時(shí)間要求比較苛刻,而且發(fā)射部分還需提供實(shí)時(shí)監(jiān)測(cè)發(fā)射電流、關(guān)斷時(shí)間,記錄電流下降沿等功能。 - 5 . in step current detection , intelligent pattern recognition capacity of artificial neural networks is utilized , then man - made factors are eliminated during judging the quality of pipeline coating , as well as avoiding numerous iterant calculations in curve imitation . therefore , the speed of judging coating quality is accelerated greatly
在恒電流階躍激勵(lì)檢測(cè)中,利用了人工神經(jīng)網(wǎng)絡(luò)的智能模式識(shí)別的能力,使得在管道涂層狀態(tài)判斷中消除了人為因素,同時(shí)避免了曲線擬合中的大量重復(fù)性計(jì)算,大大提高了涂層狀態(tài)判斷的速度。 - It's difficult to find step current in a sentence. 用step current造句挺難的
- According to the space vector modulation method of the equivalent structure of the ac - dc - ac transformation , the transformation relations of the matrix converter are deeply investigated . the ac - ac direct conversion control and the double - space - vector pwm scheme of the matrix converter are deduced , the four - step current commutation strategy of matrix converter is expatiated , the design method of input filter and over voltage protection circuit is analyzed , and the modeling and simulation of a three - phase matrix converter are implemented
從等效交-直-交變換的空間矢量調(diào)制方法出發(fā),深入分析了矩陣式變頻器的變換關(guān)系,導(dǎo)出了交-交直接變換控制規(guī)律和雙空間矢量脈寬調(diào)制技術(shù),闡述了矩陣式變頻器的換流控制策略,分析了輸入濾波器和過電壓保護(hù)電路的設(shè)計(jì)方法,實(shí)現(xiàn)了矩陣式變頻器的建模和運(yùn)行分析。 - The adaptive setting algorithm and realizing strategy of adaptive protection function use local information of adaptive protection device , information of substation , status messages and topology connection relations coming from scada system offered by centralized control center to adapt to changes of topology structure , system impedance and fault type by amending the settings on line . the adatpvie protection algorithm of the device is adaptive three - step current protection
所提出的自適應(yīng)整定算法、系統(tǒng)級(jí)自適應(yīng)保護(hù)功能實(shí)現(xiàn)策略綜合利用供配電線路自適應(yīng)保護(hù)裝置本地信息、變電站站內(nèi)信息與集控中心借助scada系統(tǒng)提供的一次、二次設(shè)備狀態(tài)信息及拓?fù)溥B接關(guān)系,自動(dòng)在線計(jì)算并修正保護(hù)整定值,實(shí)現(xiàn)了對(duì)電力系統(tǒng)拓?fù)浣Y(jié)構(gòu)、運(yùn)行方式及故障類型變化的自適應(yīng)。