例句與造句

1. Computer imitation of the pulse width modulation switch regulated power supply with feedback loop
   具有反饋環(huán)的脈寬調(diào)制開(kāi)關(guān)穩(wěn)壓電源的計(jì)算機(jī)仿真
2. A novel current control mode pulse width modulation switched high frequency resonant arc igniting device is developed based on uc3842 and the principle is analyzed
   摘要采用uc3842設(shè)計(jì)了電流控制型脈寬調(diào)制開(kāi)關(guān)式高頻振蕩引弧器，并對(duì)其工作原理進(jìn)行了分析。
3. How to choose the modulation parameter is the main concern of chap 4 . supposing that channel estimation is complete , a closed form relation between modulation switching levels and target ber is first derived
   首先在信道估計(jì)完全正確的假設(shè)下，推導(dǎo)出了調(diào)制方式切換門(mén)限與目標(biāo)誤碼率在即時(shí)誤碼率及平均誤碼率約束下的關(guān)系表達(dá)式。
4. The tests of e - o applications by our flux ktp has been realized , the results showed : optical waveguides fabricated by using an ion - exchange process , which have an exchange - ion concentration depth profile and refractive - index profile , is close to a complementary error - function distribution , optical homogeneity and device thermal stability is much better . amplitude modulation switch formed by our flux ktp has the contrast ratio of 150 : 1 and insert loss is 2 . 5 % at 1064 nm . high quality optical pulse with 1 ns width was cut successfully by using an e - o modulator from a laser pulse with 50 ns width , this modulator had run for three years , and the crystal did n ' t blackened , it showed our low conductivity flux ktp can endure high modulation voltage for a very long time
   Ktp晶體的電光應(yīng)用試驗(yàn)表明：用離子交換法制作的電光波導(dǎo)，其離子交換濃度、折射率變化符合余弦誤差函數(shù)，光學(xué)均勻性以及器件的溫度穩(wěn)定性較好；制作的強(qiáng)度調(diào)制電光開(kāi)關(guān)，消光比為150 ： 1 ，對(duì)1064nm激光的插入損耗為2 . 5 ；制作的電光調(diào)制器用于激光脈沖整形試驗(yàn)，從脈沖寬度50ns的激光脈沖削出脈寬1ns的高質(zhì)量光脈沖，該電光開(kāi)關(guān)經(jīng)過(guò)長(zhǎng)達(dá)三年多的使用，沒(méi)有出現(xiàn)晶體變黑現(xiàn)象，說(shuō)明本實(shí)驗(yàn)的低電導(dǎo)率ktp晶體能夠耐受長(zhǎng)時(shí)間的調(diào)制電壓。
5. It's difficult to find modulation switch in a sentence. 用modulation switch造句挺難的