In experiments, pressure ratio and acoustic power have been enhanced by increasing heating power and the length of acoustic pressure amplifier.

在實驗研究中久久这里只有精品26，通過增加聲壓放大器長度和加熱功率狂野欧美乱A片，提高壓比和聲功亚洲男人女人视频。

At present, high power fiber amplifier is one of the most attractive research directions in laser fields.

中文摘要高功率光纖放大器的研究是目前激光領域比較活躍的研究方向之一啦啦啦资源在线完整免费高清观看3。

It is very important to develop a qualified anode power supply for the operation of ICRH system.

高性能的高功率射頻放大器陽極電源對整個加熱系統(tǒng)的穩(wěn)定運行起重要作用。

Silicon-germanium amplifiers can only produce about one watt of radio frequency power, versus 10 watts from a typical gallium arsenide device.

硅鍺放大器只能生產約1瓦特的射頻功率欧美乱伦视频，與10瓦的一個典型的砷化鎵器件18岁以下禁止进入黄色网站。

A large uumber of numerical calculations using the analytic formula and the dispersion equation have been candied out on the relations of the attenuation and phase constant with wave frequency, thickness and conductivity of the lossy layer.

此式適用于截止頻率附近，通過解析表達式和波導模式色散方程久热精品视频，對衰減常數和相位常數進行了大量數值計算国产免费午夜福利天堂AV，得到了它們隨損耗層厚度、頻率以及損耗層電導率的變化規(guī)律美女自慰喷水的网站，兩種方法所獲得的結果有較好的一致性国产日逼视频网址，研究表明，損耗強度和損耗層厚度的變化會改變波導中電磁模式的色散和簡并特性国产一区视频在线看，對于改善高功率回旋行波放大器中注波互作用帶寬和模式競爭非常有益国产一区二区AV在线。

It locks the frequency of the carrier-wave at 35MHz.The stabilization of the carrier-wave can be 4×10-5,the accuracy can be 3×10-5.The frequency modulation and the confection of the carrier-wave are realized by the capacity-changing diode V149 and the integration voltage-control oscillator MC1648 chip.The end power amplifier uses the audion 2SC1970 to make it work in the third magnifying state,it improves the efficiency of the magnifier and the power of the output reaches the design demand.

發(fā)射部分采用鎖相環(huán)式頻率合成器技術， MC145152和MC12022芯片組成鎖相環(huán)欧美牲交A欧差aA片欧美精品，將載波頻率精確鎖定在35MHz真实迷奸在线观看，輸出載波的穩(wěn)定度達到4×10-5，準確度達到3×10-5人人夷人人插人人摸，由變容二極管V149和集成壓控振蕩器芯片MC1648實現(xiàn)對載波的調頻調制昨天看到看看黄色网站；末級功放選用三極管2SC1970，使其工作在丙類放大狀態(tài)网址黄免费，提高了放大器的效率A片免费网址在线观看麻豆，輸出功率達到設計要求。

The transmit part adopts the phase-locked loop pattern of frequency synthesizing technology and uses the MC145152 and MC12022 chips to compose the phase-locked loop.It locks the frequency of the carrier-wave at 35MHz.The stabilization of the carrier-wave can be 4×10-5,the accuracy can be 3×10-5.The frequency modulation and the confection of the carrier-wave are realized by the capacity-changing diode V149 and the integration voltage-control oscillator MC1648 chip.The end power amplifier uses the audion 2SC1970 to make it work in the third magnifying state,it improves the efficiency of the magnifier and the power of the output reaches the design demand.

發(fā)射部分采用鎖相環(huán)式頻率合成器技術狼色在线tom， MC145152和MC12022芯片組成鎖相環(huán)国产欧美日韩一区二区，將載波頻率精確鎖定在35MHz，輸出載波的穩(wěn)定度達到4×10-5AV网黄色网，準確度達到3×10-599久久无色码中文字幕，由變容二極管V149和集成壓控振蕩器芯片MC1648實現(xiàn)對載波的調頻調制；末級功放選用三極管2SC1970色色五月天网，使其工作在丙類放大狀態(tài)国产很爽很舒服的视频，提高了放大器的效率，輸出功率達到設計要求视频一二区在线。

This topic returns in view of the cut type switch spreads the type switch "to return for the predecessor design spreads the type electric power switch utilization in the LED lamps and lanterns" is the research direction, to achieve take reduces the power loss to replace the tradition operational amplifier pulse wave width accent as the goal using IC UC3842 changes part, the actuation returns spreads the type electric power switch's switch of Power MOSFET, so as to controls instead spreads the type electric power switch breakover closure's time then control voltage output size, achieves the output voltage to the load LED lamps and lanterns adjusts the LED lamps and lanterns brightness the goal.

各位大大抱歉~国产成人影院在线观看！因為英文底子不好！希望大家?guī)兔Ψg一下www.av天堂.cn，希望不要用翻譯軟體翻的最好是自己翻欧美三级在线不卡观看！拜托了！本專題針對切換式轉換器的返馳式轉換器為前身設計「返馳式電力轉換器運用在LED燈具」為研究方向天天干在线视频观看，為達到以減少功率損失為目的利用IC UC3842代替?zhèn)鹘y(tǒng)運算放大器脈波寬度調變部分人人摸人人操589，驅動返馳式電力轉換器的Power MOSFET之開關，藉以控制反馳式電力轉換器導通截止的時間進而控制電壓輸出的大小jizzjizz日本高清视频免费，輸出電壓至負載LED燈具達成調節(jié)LED燈具亮度的目的电影一区小说区偷拍区。

We used coupling phototube convert the voltage of reflector voltages of klystron linearly to lower voltage, and convert the lower voltages of standing wave measuring line and crystal detector inputting power linearly to higher voltages by operation amplifier. Then we inputted these voltages to computer by analog-to-digital card and plotted the graphs of working characteristics of reflecting klystron with software .

利用光電耦合器將速調管反射極高電壓線性轉換為低電壓，同時將駐波測量線測得電場強度的電壓值和晶體檢波器所測得的反射式速調管輸出功率的電壓值通過運算放大器線性放大日韩一级性交网站，然后經過模數轉換卡采集到微機中黄色片-级片，利用軟件繪制出速調管的工作特性曲線。

The authors used coupling phototube convert the voltage of reflector voltages of klystron linearly to lower voltage and converted the lower voltages of standing wave measuring line and crystal detector inputting power linearly to higher voltages by operation amplifier. Then inputted these voltages to computer by analog-to-digital card and plotted the graphs of working characteristics of reflecting klystron with software.

利用光電耦合器將速調管反射極高電壓線性轉換為低電壓老熟妇嗷嗷叫91九色，同時將駐波測量線測得電場強度的電壓值和晶體檢波器所測得的反射式速調管輸出功率的電壓值通過運算放大器線性放大99爱99，然后經過模數轉換卡采集到微機中欧美毛多,另类在线，利用軟件繪制出速調管的工作特性曲線。