級放率 的英文怎麼說

中文拼音 [jífànglǜ]
級放率 英文
grade radio
  • 級 : Ⅰ名詞1 （等級） level; rank; grade 2 （年級） any of the yearly divisions of a school course; gra...
  • 放 : releaseset freelet go
  • 率 : 率名詞（比值） rate; ratio; proportion
  1. Actuation of one clutch provides positive torque to the final drive, the capstan acting as the main power amplifier.

    一個離合器的作用是給最後一級傳動機構，即作為主功率放大器的絞盤，提供正向力矩。
  2. In the circuit, using the way of step - by - step magnify, a normal sine wave signal through former circuit export for the next circuit, and this signal that have been magnified push the next step. the main magnify circuit use the method of high power dynatron that is parallel connection

    在迴路中採用逐級放大的方法，將一個標準的正弦波信號通過前級放大，輸出給后級，推動后級放大迴路，主要的功率放大迴路中採用大功率三極體並聯實現功率放大輸出。
  3. Craft : after ro ( 75 % returns - ratio ) the thick synaeresis must achieve a level discharges the standard, polymerization phosphate removing

    工藝：經ro （ 75 %回收率）濃縮水需達到一級排放標準，聚合磷酸鹽的去除。
  4. With the purpose that people in countryside and rural area can listen to the sounds of communist party and chinese government, “ xi xin project ” has been carried out state general bureau of the radio and television and set up tens of 500kw sw radio transmitters, ten of them were installed, whom were th558 with find power amplifier, a kind of ultrahigh power mental - ceramic tetrode from french thomson company

    為使我國廣大農村和邊遠山區群眾能聽到黨和政府的聲音，國家廣播電視總局組織實施了「西新工程」 ，部署了數十部500kw短波廣播發射機，其中十部的末級功率放大管採用法國湯姆遜（ thomson ）公司生產的th558超大功率金屬陶瓷四極管。
  5. This strategy effectively solves the power distribution between the apu and batteries during the drive of the heb. the power control model and multi - torque switching strategy of the driving motors control the charging - recharging current of the batteries within a wide range, which contribute to the improvement of the efficiency

    該策略很好的解決了車輛行駛時輔助動力系統與蓄電池組之間的功率分配，並且驅動電動機採用功率控制模式以及多級動力輸出切換策略，有效的控制了蓄電池的充放電電流，從而提高了整車效率。
  6. In the two - photon resonance case, part of the input pulse energy is transformed into higher and lower frequency components through amplified spontaneous emission and four - wave mixing, and the medium shows strong optical power limiting effect

    在雙光子共振情況下，即入射脈沖頻率等於1 、 3能級之間的共振頻率的一半，由於介質中放大的自發輻射和四波混頻的作用，部分入射脈沖能量轉化為高頻和低頻電場成分的能量，分子介質表現出了很強的光功率限幅特性。
  7. It showed that activated inhibition by weak noise could be gabaergic inhibition. from above the findings, we could give a hypothesis that the input of random oscillation induced by noise in the cochlea to central auditory system could be integrated in the central auditory nucleus and the response of sound - sensitive neuron to sound stimuli could be adjusted to an optimum state for signal intensity coding

    根據這些變化可以推測，這種背景噪聲的生物學作用可能是通過弱噪聲所引起的耳蝸隨機共振的輸入，在上行過程中經各級聽覺核團的整合，將中樞聲敏感神經元調定在一種準備狀態，並定型放電率函數和調制神經元對聲馨碩士學位論文master 』 st砰iesis強的編碼。
  8. Abstract : three - stage dust removal system of impinger, centrifugal dust collector, wet fibre - grid scrubber applying to dust collecting of driller in opencut mine is reported in this paper. the operational results show that this system has stable operation, higher dust removal efficiency, less drop pressure and dust concentration of outlet of the system meets emission standard

    文摘:介紹了用慣性除塵器、旋風除塵器、濕式纖維柵除塵器組成的三級串聯除塵系統進行露天礦的鉆機收塵，運行結果表明該系統運行可靠，阻力小，除塵效率高，系統出口含塵濃度達到排放標準。
  9. A novel amplifier chain which is composed of the forward wave crossed - field amplifier ( cfa ) driven directly by solid state amplifier ( ssa ) is better in performances and reliability compared with traditional three stage chain which is composed of " ssa + twta + cfa "

    摘要採用固態放大器直接驅動前向波管的新型放大鏈與「固態-中功率行波管-前向波管」三級放大鏈相比較，具有更好的性能指標。
  10. The design and analysis of vertical pnp transistor was accomplished through the relationship between carriers lifetime of epitaxy layer and current gain, rate of surface combination and leakage current, carriers lifetime of epitaxy layer and switch speed

    從外延層載流子壽命與晶體管放大倍數，表面復合率與漏電流，以及外延層載流子壽命與晶體管開關速度等方面對于輸出級縱向pnp管進行了較為詳細的設計與分析，達到了電路中對輸出級縱向pnp管主要參數指標的要求。
  11. In active section, in order to meet performance of out put power above 10dbm, the power amplifier module of ka - band is fabricated by using hmc283 to achieve the 14db conversion gain. there are five parts that include of waveguide - to - microstrip ? mixer ? filter ? power amplifier and waveguide - to - microstrip. input signal ' s power is 10dbm, after it pass waveguide - to - microstrip, it ' s frequency is escalate from 30ghz to 35ghz

    該組件由五個部分組成：功率為10dbm信號經過波導? ?微帶過渡，然後混頻，濾波將30ghz提高到35ghz濾除不需要的諧波鏡頻以及三階交調信號，為了彌補混頻濾波的變頻損耗，加一級功率放大器，此放大器採用hittle公司hmc283晶元，此上變頻放大組件完成了上變頻?濾波?放大功能。
  12. So that, we will get a high exporting power source according to the step - by - step magnified circuit, the peak power output can reach 300kw with variable frequency and variable voltage output

    這樣逐級放大得到一個功率很大電源，其最高輸出功率可以達到300kw ，而且能夠調節頻率和電壓。
  13. The dynamic experiment was tried. the maximal output power, which can be achieved, is 420kw. although there is a distance to the goal of 500kw output power, it still is the maximal power amplification broadcast tube on final stage in our nation

    該樣管上整機做動態試驗時，在整機電壓不變的情況下，輸出功率為420kw ，盡管與輸出功率500kw的研製目標尚有一定差距，但也是我國目前輸出功率最大的末級功率放大管。
  14. The thesis has done the widespread investigation and study to the domestic and foreign ’ s technologies of analogy low voltage and low power, and analyzes the principles of work, merts and shortcomings of these technologies, based on the absorption of these technologies, it designs a 1. 5v low power rail - to - rail cmos operational amplifier. when designing input stage, in order to enable the input common mode voltage range to achieve rail - to - rail, it does not use the traditional differential input pair, but use the nmos tube and the pmos tube parallel supplementary differential input pair to the structure, and uses the proportional current mirror technology to realize the constant transconductance of input stage. in the middle gain stage design, the current mirror load does not use the traditional standard cascode structure, but uses the low voltage, wide - swing casecode structure which is suitable to work in low voltage. when designing output stage, in order to enhance the efficiency, it uses the push - pull common source stage amplifier as the output stage, the output voltage swing basically reached rail - to - rail. the thesis changes the design of the traditional normal source based on the operational amplifier, uses the differential amplifier with current mirror load to design a normal current source. the normal current source provides the stable bias current and the bias voltage to the operational amplifier, so the stability of operational amplifier is guaranteed. the thesis uses the miller compensate technology with a adjusting zero resistance to compensate the operational amplifier

    本論文對國內外的模擬低電壓低功耗技術做了廣泛的調查研究，分析了這些技術的工作原理和優缺點，在吸收這些技術成果基礎上設計了一個1 . 5v低功耗軌至軌cmos運算放大器。在設計輸入級時，為了使輸入共模電壓范圍達到軌至軌，不是採用傳統的差動輸入結構，而是採用了nmos管和pmos管並聯的互補差動輸入對結構，並採用成比例的電流鏡技術實現了輸入級跨導的恆定;在中間增益級設計中，電流鏡負載並不是採用傳統的標準共源共柵結構，而是採用了適合在低壓工作的低壓寬擺幅共源共柵結構;在輸出級設計時，為了提高效率，採用了推挽共源級放大器作為輸出級，輸出電壓擺幅基本上達到了軌至軌;本論文改變傳統基準源基於運放的設計，採用了帶電流鏡負載的差分放大器設計了一個基準電流源，給運放提供穩定的偏置電流和偏置電壓，保證了運放的穩定性;並採用了帶調零電阻的密勒補償技術對運放進行頻率補償。
  15. The insert loss of the passive circuit is less than 3. 5db, return loss better than 10db. the ammic5040 is used to drive the tga1141, and the power is splited into two signals, each of these is to drive tag4517. at the output port, the power is 4w

    無源網路損耗小於3 . 5db ，回波損耗優於10db 。第一級放大器採用ammc5040以驅動tga1141 ，通過功率分配器將信號分為兩路以驅動兩路tga4517功率放大器。最後獲得了4w連續波功率輸出。
  16. The amplification characters of er3 + / yb3 + co - doped fiber are studied in our experiments. when the doped fiber length is 50cm, the amplified signal power is 170mw and the gain is 12. 2db in the case of signal power of 10. 8mw and pumping power of 2. 5w

    本論文著重研究了採用一級放大時，信號光在雙包層光纖中的放大特性，截取50cm的光纖，在輸入泵浦光功率為2 . 5w ，信號光功率為10 . 8mw時，獲得了170mw的放大信號光輸出，增益為12 . 2db 。
  17. For the reason of the same frequency, we use the ldmos fet. there are three development for the middle power amplifier : the first stage power amplifier, the drive stage power amplifier and the last stage power amplifier

    本文針對遙測遙控放大器與其頻率相同的特點，對中功率放大器進行研究。本文對固態線性功率放大器的研製包括：前級放大器的研製、驅動級放大器的研製、末級放大器的研製。
  18. Second, we simulate and optimize the circuit and debug the first stage, the drive stage power amplifier

    然後在ads中對設計電路進行了模擬優化，對前級、驅動級功率放大器進行調試。
  19. 2. finline - to - microstrip transitions are designed and used in the power - driver at ka - band

    2 .設計了ka頻段鰭線-微帶的過渡，並將其運用於功率驅動級放大器之中。
  20. The power driver yields output power with a gain variation less than 1. 18db and a maximum of 1. 37 - w output power within the entire band of interest. the large - signal bandwidth of this power - driver is 1. 5ghz

    在驅動級放大器的工作頻率范圍內實測的功率增益不平坦度小於1 . 18db ，獲得的最大輸出功率（ 1 . 37w ）帶寬優於1 . 5ghz 。
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