高頻電切器 的英文怎麼說
中文拼音 [gāobīndiànqiēqì]
高頻電切器
英文
high frequency surgical unit- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 頻 : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 切 : 切Ⅰ動詞1 (合; 符合) correspond to; be close to 2 (用在反切后頭 表示前兩個字是注音用的反切)見 ...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 高頻 : high frequency
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The precise clock source is crystal oscillator made of 74hc04 ; the mute circuit can conceal the error and solve the problem of noise ; the antenna switching circuit in the receiver is to select one antenna from two which receives signal better. it can improve the quality of the receiving audio signal, restrain the noise effectively and promote the system performance
高精度的時鐘源是由74hc04構成的晶體振蕩器;靜音電路將出錯的音頻信號進行差錯掩蓋,很好地解決了噪聲問題;接收機採用兩副天線切換工作,提高了音頻信號接收質量,有效地抑制干擾,提升了系統的性能。On the base of summarizing and reference to the achievement of uhf complete solid - state high - frequency power amplifier abroad, the author have made a deep research in uhf 10kw electron tube tv transmitter power amplifiers which are widely used inland, and asked for ideas of a lot of engineers of chongqing tv transmitting station, brought forward a practicable solidification scheme under the guidance of prof. gao chao and prof. guoyongcai, and made a successful practice at chongqing tv transmitting station
筆者在總結和借鑒國內外有關uhf全固態電視發射機高頻線性功率放大器研究成果的基礎上,對目前國內電視發射臺普遍採用的uhf10kw電子管電視發射機高頻線性功率放大器進行了深入研究,並廣泛徵求重慶電視發射臺工程師的意見,在重慶大學高潮教授和郭永彩教授的指導下,提出了切實可行的固態化改造方案,並在重慶電視發射臺實踐成功。By improving surface condition of parts and one shot seal - off clean room grade, using ultrasonic vapor phase cleaning process, the inner parts of vacuum interrupter get cleaner. movable particles have been diminished by automatic current ageing, power frequency hi - voltage ageing and dynamic high current ageing. as the dielectric strength of clearance in vacuum interrupter improved, the probability of re - ignition in test drops evidently
通過提高零件表面加工質量,改善一次封排間的真空衛生條件、制定合理的超聲波氣相清洗工藝提高管內潔凈度,採用自動電流老煉、超高壓工頻老煉、大電流動態老煉等工藝進一步消除真空滅弧室內活動性微粒,可提高真空滅弧室真空間隙介質強度,使真空開關投切電容器組的重燃率大大降低,並通過實驗驗證真空開關投切電容器組的重燃率在製造工藝改進後由原來的10 . 7 %降低至1 . 3 % 。At the same time, the method of disposal phase shift of ct by compensation is introduced. then the analysis and statistic of electrical power quality, the control scheme and compensating amount of capacitor for reactive power compensation are analyzed respectively. and in the paper, the control with a / y and the switch with ac contactor and solid state switch is valid measure not only for improving operate level economically and amending electrical power quality but also for avoiding of replacing switch frequently and decrease economic loss
然後對現有的演算法進行了詳細的分析、比較,篩選出既能滿足硬體要求又可降低投資、保證精度、簡化軟體的方案,確定了準同步采樣的方案,並通過對準同步采樣誤差的分析,提出了一種從45開始采樣,從而提高精度的采樣數據處理辦法,同時,對于電流互感器相位漂移提出了一種補償辦法,接著對裝置中電能質量分析與統計以及無功補償中電容器的補償量、投切原則也作了相應分析,其中對于無功補償採用y混合接線,並利用交流接觸器和固態開關共同投切電容,不但提高了經濟運行水平、改善了電能質量,而且有效的避免了頻繁更換開關,減少了經濟損失;最後,設計了裝置的硬體電路並繪制了相應的軟體流程圖。The spindle is supported by high - accuracy rolling bearing ; the frequency governor imported from abroad is used in the main drive system to realize stepless speed regulation and constant linear cutting functions ; the bed is supersonic frequeney hardened, plastic coated guide ways are used for the carriage ; and stepping motor of acservo motor are used x and z axis to realize feed movement via the ball screws
主軸採用高精度的滾動軸承支承;主傳動採用進口變頻調速器,實現無級調速功能及恆線速切削功能;床身採用超音頻淬硬處理,採用貼塑導軌; x軸和z軸均採用步進或伺服電機,通過滾珠絲杠,實現進給運動。The product is characteristic of low dielectric largent at high frequency and is self fluxing it ' s suitable to be used as elements and coils of high frequency equipment
該產品具有在高頻下漆膜的介質損耗角正切小的特性,並且有直焊性,適應高頻電器儀表繞圈和元件。In the fourth chapter, a fourth - order chebyshev low - pass filter employs new low voltage, highly linear, wide inputting range transconductor is proposed, then we presents a new circuit to tune gm value of transconductor accurately, which employs a new switched - capacitor circuit to change the bias current of transconductor, a third order elliptical function low - pass filter with accurate tunable frequency has been designed using transconductor that is not only with voltage common - mode negative feedback, but also with varying bias - triode transistors which can improve the linearity of this circuit
第四章:提出了一種新的低電壓、高線性度、寬輸入范圍跨導,並由此設計實現了四階切比雪夫( chebyshev )低通濾波器,接著提出了一種寬輸入范圍且具有電壓共模負反饋的全差分跨導,並採用一種新的開關電容電路實現跨導值gm精確可調,從而可以設計得到高性能具有精確截止頻率的跨導-電容三階橢圓函數濾波器。In the fifth chapter, a new fully differential operational amplifier with voltage and current - mode negative feedback has been proposed, which can stabilize its quiescent operation point, using the characteristic of mos transistors which operate in the triode region acting as active variable resistor, a fully differential fourth - order chebyshev low - pass filter with tunable frequency and bessel low - pass filter with accurate group delay based on r - mosfet - c and operational amplifier has been designed
第五章:提出了一種新的既具有電壓共模負反饋又同時具有電流共模負反饋的全差分運算放大器電路,能較好地穩定電路的靜態工作點,並應用mos管工作在線性區可作有源可變電阻用的特性設計得到了截止頻率可連續調節的高性能r - mosfet - c 、運放結構切比雪夫( chebyshev )和精確群時延值貝塞爾( bessel )低通濾波器。Electric appliance set manufacturing enterprise is an order - drived producing enterprise, every product involved in each order is an individual customized product, a great deal of information interchange will occur frequently in the process of customization between enterprise, customer and professional electric power design institute. it is how to rapidly and efficiently make out the technical intention and realize individual customization with high quality and low cost that has been an important and urgent problem which enterprise has to resolve
成套電器製造企業是典型的訂單驅動型生產企業,每一個訂單所涉及的產品幾乎都是客戶個性化定製的產品,且產品定製過程涉及企業與客戶、企業與專業電力設計院等異地多家單位之間大量和頻繁的信息交互,如何快捷、高質、高效和低成本的完成產品需求的技術交底和客戶個性化定製已是當前成套電器製造企業迫切需要解決的重要問題。The requirement of environmental vibration becomes more and more important in ultra - precise optical - electron measurement instrument, ultrafine working testing and scientific experiment. building a huge micro - vibration isolation platform is becoming an urgent demand
超精密光電測量儀器、超微細加工、測試及科學實驗對環境振動的要求越來越高,對大型高性能超低頻防微振實驗平臺需求迫切。Core losses are caused by an alternating magnetic field in the core material, thie losses are a function of the operating frequency and the total magnetic flux swing, the total core losses are made up of three main components, hysteresis eddy current and residuallosses, these losses vary considerably from one magnetic material to a - nother, applications such as higher power and hither frequency switching regulators and rf designs require careful core selection to yield the highestinductor perfor - mance by keeping the core losses to a minimum
鐵損是由於在鐵芯中的變更磁場院所造成,這個損失與操作頻率及總流動的磁通量有關,總鐵損由三個成份組成,磁滯損,過流損及殘留損,這些損失因磁性材料不同而異,在如高功率切換調整器和rf的設計需要小心選擇鐵芯種類以降低鐵損使電感的表現最佳。The driver adopted the technique of automatic power changing between high and low voltage and the driving mode of constant current cutting wave, so that the low - frequency vibration of the stepping motor was reduced and the high - frequency torque was increased
該驅動器採用高、低壓電源自動切換供電技術和恆流斬波驅動方式,降低了步進電動機的低頻振蕩,提高了步進電動機的高頻力矩。Experimental data indicate control system can correct completion the rise or fall of voltage transformer and the throw or cut of capacitor - group, prevent equipments from frequently regulated and shakes, raise the lifespan of the equipments
實驗數據表明,將模糊控制引入電壓無功綜合控制中,控制系統能夠正確的完成對有載調壓變壓器分接頭的升降和電容器組的投切,並可以避免設備頻繁調節和振蕩,提高設備運行壽命。A kind of high - performance transducer named as cimr - g54e41851 of yaskawa functioning as a speed adjustment with s - form and torque promoting is introduced to solve the problem facing to conversion of speed and starting in this new - style conveying system. as mentioned above, we take the advantage of plc. based on fx2n plc ’ s programming software the gx developer 7. 0 introduced in our system adopts the modularization design method of structure and code reusing, subsequently decreasing the procedure of the soft ? programming and maintenance cost
在本系統中,為了實現能源的充分利用和生產的需要,需要對電機進行轉速調節,考慮到電機的啟動、運行、調速和制動的特性,採用高功能性v / f控制的通用變頻器安川cimr ? g5e41851 ,此變頻器的s型加減速功能和轉矩提升功能,能很好的解決轉速之間的切換和啟動問題。分享友人