電調衰減器 的英文怎麼說
中文拼音 [diàndiàoshuāijiǎnqì]
電調衰減器
英文
electrically controlled attenuator- 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...
- 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
- 衰 : 衰動詞(衰弱) decline; wane
- 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
- 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
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The design of the transmissive variable optical attenuator
透射型電可調光衰減器的設計The last part of the thsis presents a novel fast response digital variable optical attenuator. this device is driven by two electromagnetic driving units rather not stepper motors. a wide attenuation ( 40db ) was fully digitized and can be set by a certain number of driving pulses
論文最後針對現有數字可調光衰減器均由步進電機驅動,體積龐大,造價高昂且速度緩慢的缺點,利用微反射單元設計了一種高速數字式可調光衰減器。Delay line oscillator is composed of broadband amprifer adjustable attenuator and saw sensor device. after output signal of delay line oscillator is smoothed, it mixes with 109mhz local oscillation signal. its differential frequency signal is smoothed by low - pass filter trimmed by shaping circuit and processed by digital processing circuit
延遲線振蕩器由寬帶放大器、可調衰減器和聲表面波質量傳感器件構成。延遲線振蕩器輸出信號經濾波后與109mhz的本機晶體振蕩器輸出信號相混頻,通過低通濾波取其差頻,並經整形後由數字信號處理電路處理。Supervisor point is behind the postposition of power amplifier, optic signals coming from a tap of 99 : 1 enter into optic spectrum scan module, then the power levels which have been calculated by iterative algorithmic are sent to power control module to guide a set of tunable electronic attenuators
此方案將監測點放在後置功率放大器的後面,從分束器中分出99 : 1的光進入光頻譜掃描模塊,傳給功率控制模塊的光功率值經過選代演算法后計算出均衡后的功率值送到功率控制模塊的控制中心去調節電可調節衰減器。The silicon controlled trigger and it s auxiliary circuit could regulate simultaneously the controlling coil current of four series - parallel connected powers, so the purpose of making four powers output in step with was achieved, and the process of increasing progressively current after lighting arc and weakening current after going out arc was realized
利用可控硅觸發器及輔助電路可以同時調節串並聯在一起的四臺電源控制線圈的電流,達到四臺電源同步輸出的目的,並且實現了等離子弧噴塗引弧時電流遞增和熄弧時電流衰減的過程。3. the new microwave power supply ( mps ) can work in vacuum and its power measurement is convenient. the output power could be adjusted with the change of control voltage, and the reflecting power could be gotten by measuring the output voltage of attenuator and detector
( 3 )可在真空下穩定工作的新型微波源功率的測量較為方便,通過改變控制電壓的大小可以調節輸出功率,通過測量衰減檢波器的輸出電壓信號可實現反射功率的測量。At the same time, the power capacity of the above mentioned antenna is preliminarily analyzed. the results show that in the pass band, their power capacities increase with the frequency on the whole, ranging from 10 ’ s kw to 100 ’ s kw. with the change of the pulse duration of microwaves, the measurement is carried out on the sensitivity of the detectors of the types wb - cd01 and 2087 - 6001 - 00, on the attenuation of the
通過調整微波脈寬,對wb - cd01型、 2087 - 6001 - 00型等檢波器的靈敏度,對2082 - 4137系列和tts系列衰減器的衰減量,對rg - 142型微波電纜的衰減量進行了實驗測定,結果表明:在微波脈寬大於40ns時,檢波器靈敏度基本無變化;當微波脈寬在20 ~ 40ns時,檢波器靈敏度會有一定變化,變化趨勢和程度與檢波器的型號有關;而上述型號的衰減器和微波電纜的衰減量幾乎不受微波脈寬的影響。This characteristic enables the realization of many novel optoelectronic devices based on this configuration. in this dissertation, a new type of electro - optic polymer modulator base on atr is introduced
本文即以衰減全反射結構為研究內容,提出用這一結構來實現一種新型光電子器件的思想? ?衰減全反射型聚合物電光調制器。This modulator works with the guided - wave reflectance peak, in which the light intensity is changed by the variation of the refractive index of poled polymer due to the electro - optic effects. device performances have been theoretically and experimentally investigated. we also successfully carried out experiments of video signal transmission using the proposed modulator
該調制器工作于金屬包覆波導的衰減全反射導模吸收峰,利用極化聚合物電光材料的折射率對導模吸收的影響來實現電光調制,並對器件的性能指標進行了實驗研究,同時利用製作的反射型電光調制器進行了視頻信號良好地傳輸實驗。When the level of the mic input is too big, and can ' t be controled by the mic input level adjustmeng potentiometer, push down this button
話筒輸入衰減按鍵:當話筒輸入電平太大,話筒輸入電平調節電位器已無法控制時,按下此鍵Associated with the military project " high speed arbitrary waveform generator ( awg ) module ", this thesis focuses on the designing methodology of analog channel of the awg developed by uestc. signal filtering, amplitude and offset controlling, square wave and modulating wave ' s generating are studied in detail and corresponding circuit implementation are developed
本文結合電子科技大學承擔的軍用型號項目「 vxi任意波形發生器es14v21 」 ,展開對任意波形發生器模擬通道設計技術的研究,詳細討論了信號的濾波、放大、衰減、加偏處理以及方波和調幅波的產生方式,並設計了具體電路。Moreover, using the local nonlinear feedback loop technique of this invention attenuates the voltage signal of the sigma - delta modulator, therefore decreasing the power consumption of the overall sigma - delta modulator system
同時,應用本發明之局部非線性回授?路法亦可以使得積分三角調變器整體系統的電壓訊號衰減,因此可以使得積分三角調變器整體系統的幼率消耗降低。分享友人