輸入增益 的英文怎麼說

中文拼音 [shūzēng]
輸入增益 英文
input gain
  • : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
  • : Ⅰ動詞1 (進來或進去) enter 2 (參加) join; be admitted into; become a member of 3 (合乎) conf...
  • : Ⅰ名詞1 (好處) benefit; profit; advantage 2 (姓氏) a surname Ⅱ形容詞(有益的) beneficialⅢ動詞...
  • 輸入 : 1 (從外部送到內部) import 2 [電學] input; entry; entering; in fan; fan in; 輸入變壓器 input tra...
  1. Faced with an increasing demand for wood and paper products along with diminishing forest resources, china imports timber from many countries, including russia, indonesia, south america, and central africa. these regions have significant problems such as illegal logging and forest crimes, loss of natural forest to agriculture and silviculture and loss of biodiversity

    鑒于國內對木材和紙品的需求日加,森林資源卻逐漸減少,中國分別從俄羅斯印尼和中非等多個國家木材,這些國家的非法伐木情況和森林罪行猖獗,而且天然森林遭改辟成耕地和造林地,以及生態多樣性銳減等問題均十分嚴峻。
  2. The control algorithm of closed - loop gain shaping when the controlled object is not square matrix in the simo system is developed in this thesis

    本文提出了單出( simo )系統即被控對象為非方陣情況下的閉環成形控制演算法。
  3. The antenna gain, directivity and reflection coefficient are calculated via finite element method in hfss. spline interpolation and polynomial curve fitting are applied to construct diagrams illustrating the capsulation characteristics. some general conclusions of interest are obtained

    探討了各個封裝參數對端反射系數、方向性系數、效率和等性能指標的影響,得到一些規律性結論,為射頻振子天線的封裝應用提供了參考性的建議,並指出了進一步研究的方向。
  4. A novel parallel - serial type cttfc ( combined two - transistor forward converter ) with coupled inductor is present in this paper, and the performance of three parallel - serial type cttfcs is studied and compared. the performance of cttfc with coupled inductor is similar to the other two cttfcs while coupling coefficient is less than one and the converter working ccm ( continuous current mode ), and input - to - output voltage gain increase one times while coupling coefficient is one

    本文提出了一種耦合電感並?串型雙管正激組合變換器,並對三種並?串型組合變換器的特性作了比較:耦合系數小於1且耦合線圈電流連續時,三種並?串型組合變換器特性相類似:耦合系數為1時,組合變換器出電壓大一倍。
  5. The ratio of output power from an amplifier system, to the input power. gain is normally measured in decibels

    放大系統的出功率與功率之比,通常用分貝表示。
  6. 2. the input stages of the ccii and the operational amplifier in transimpedance implifier are realized with folded cascode amplifier to reach high cmrr, large open loop gain and low offset

    2 .為了提高儀表放大器的電源抑制比,並得到大的開環,相對低的失調等性能,電流傳器的級和跨阻放大器中運算放大器級均採用折疊共源共柵放大器。
  7. 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。在設計級時,為了使共模電壓范圍達到軌至軌,不是採用傳統的差動結構,而是採用了nmos管和pmos管並聯的互補差動對結構,並採用成比例的電流鏡技術實現了級跨導的恆定;在中間級設計中,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;在出級設計時,為了提高效率,採用了推挽共源級放大器作為出級,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。
  8. With two routes balance and no balance input end. allow the connect mode of international card dragon and big 6. 5 core

    具備兩路平衡-非平衡端子,有兩路平衡非平衡出端子,兼容國標卡及大6 . 5芯連接方式,0db ,移頻量0 - 10hz可調
  9. Under the condition of " comparatively weak correlation between the two noises involved, coherence function is used as a frequency domain amplification factor for improving snr of the output signal to the filter and the speech enhancement effect. meanwhile, a real - time recursive algorithm is put forward in substitute for current algorithms based on short time fourier transform. the new algorithm will simplify computations and will be suited for real - time implementation together with the adaptive systems

    接著針對上述nanc系統兩路信號噪聲相關性弱的情況,用相干函數作頻域因子來提高出信噪比與改善語音強效果,同時,通過一種實時迭代演算法解決了短時傅氏變換計算量大的問題,簡化了計算,便於實時處理與實際應用。
  10. The adaptive front - end has the adaptive ability for the magnitude and frequency of input signals. it can prefilter for the input signals, eliminate the useless signals, and improve the dynamic range of receiver system. it can lessen the burden of digital signal processing in the back - end of receiver, and improve the performance of receiver system

    自適應接收機前端對信號有自適應能力? ?頻率自適應和幅度自適應,這樣的前端就可將系統的接收中心頻率和帶寬自適應到信號的頻率和帶寬,其實就是對信號進行一次預分選、預濾波,剔除對接收系統毫無作用的信號;同時對大信號自動減小,對小信號,提高系統的動態范圍;而且可以對干擾信號進行壓制。
  11. 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的放大信號光出,為12 . 2db 。
  12. The results show that wavelength locates in gain zone of semiconductor optical amplifier, and have higher peak power and proper time delay between the two pulses for the second order super gauss control pulse in semiconductor optical amplifier. a high quality amplified signal pulse can be achieved. the chirp can be reduced notability by using cascading soa in cross gain modulation based on soa, and the distance and the peak power of conversion optical pulse can be increased notability, and we can let down the demand for wavelength based on xgm in soa and enhance the flexibility of wavelength conversion

    我們應用二階超高斯光脈沖與高斯信號脈沖同時注soa和應用soa與非線性光學環鏡( nolm )相結合的方案來對信號脈沖進行壓縮整形,模擬顯示,在調節系統合適參數的情況下,波長位於soa區的二階超高斯控制光脈沖在具有較高的峰值功率和適當時延下soa時,最後可以得到放大的高質量超簡訊號光脈沖;在基於soa的交叉調制( xgm )全光波長轉換中,採用級聯的soa能有效地使反轉光脈沖的頻率啁啾得到有效降低,波長向下轉換的距離和反轉光的峰值能量都得到明顯提高,降低了利用交叉調制( xgm )波長轉換中對波長精度的要求,從而提高了波長轉換的靈和性。
  13. Studies indicated that image distance is independent of input intensity above a certain threshold and distance between modulate plane and input plane of media, but dependent on the gain coefficient and modulation size ; the intensity of the " hot image " is independent of modulation size and distance between modulate plane and input plane of media, but dependent on the intensity of input beam and the gain coefficient

    研究表明,成像距離基本上與光束的強度和調制平面到介質射面的距離沒有關系,但是與介質的系數及調制細絲的尺寸有關; 「熱像」的強度與調制細絲的尺寸和調制平面到介質射面的距離基本上沒有關系,但是與光束的強度和系數有關。
  14. The parameters of the long - range remote control receiving system are analyzed and simulated thoroughly, such as the signal to noise ratio ( snr ) at the receiver, the delicacy of receiver, auto - gain and band - width of the pass - band. then the important references are provided for the design of long - range remote control receiver

    分析了遠程遙控接收系統的參數如接收機信噪比、接收機靈敏度、自動和接收機通帶帶寬等,並對遙控接收系統性能指標進行了估算,為遠程遙控接收機的設計提供了一定的理論依據。
  15. It can be deduced from the characteristics of ilpll circuit that injection - locking bandwidth is not only related to the injection - locking bandwidth without feedback loop, but also related to the characteristics of frequency mixing, loop gain and the change of the loop phase. thus, the needed bandwidth can be obtained by adjusting the loop parameters. and the phase noise characteristics are mainly determined by loop transmission factor

    由ilpll電路特性的推導得出:注鎖定帶寬不僅跟開環時的注鎖帶寬有關,而且與混頻特性、環路以及環路相位變化相關聯,可以通過調節環路的參數得到所需帶寬;相噪特性主要由環路傳因子決定,可以通過調節環路濾波得到比開環注鎖定相噪更優的特性。
  16. In succession, the theory of chirped - pulse amplifier system is given in detail, firstly, studying from designing experimental light road and optical components to theoretical analysis, we par ' tly finished the system by ourselves. about ultr a - shoft pulse with a pulse - width of 9. 8f s and output power of 650mw and band - width of about l 20nm is output from oscillator source, secondiy, the stretching capacity of single grating four - pass stretcher is measured using abcd matrix combining collins function, and the effect of relativ e parameters to the streching ratio is also simulated. thirdly, a new type of disjunctional frequency moduiating function is provided according to the gain - narrowing and gain - saturation which are appeared in the co urse of amplification, under modulating the two effects are both controlled on some e xtent, fourthiy, the effect of ase that is often ignored by people is analyzed and the resolving methods are also given

    從光路、光學元件的自行設計到理論分析計算,初步建立了一臺實驗系統;採用abcd矩陣法結合collins公式計算了四通式單光柵展寬器的展寬量,並模擬了相關參數對展寬比的影響,對實驗具有指導意義;評價了再生放大器和多通放大器的優缺點,對放大過程中通常忽略的放大自發輻射現象( ase )進行了分析,並提出了相應的解決方法;針對放大過程中出現的窄化和飽和現象,對種子脈沖提出了一種新的分段頻率調制函數,實現了對窄化效應和飽和效應的共同抑制;提出了系統的材料(包括放大介質和光路中的普通介質)正是融合高階色散的來源。
  17. In such cases, the unused amplifier should be connected as a unity - gain follower ( force and sense pins tied together ) and the input should be connected to ground

    同樣的原因,不用的放大器應當成單位跟隨器(驅動端和感測端接到一起) ,且其端應接地。
  18. To accelerate the development of next generation high dwdm system, the pape r also researches the property of gain. based on optical wave nonlinear transmission equation, the gain model of fra is established. by the way of numerical analysis, it is obtained that the gain of fra has relation with pump power, input signal wave power, the effective area and absorption of fiber. the obtained conclusion has definite instruction to the design of fra

    為了促進下一代超高速dwdm密集波分復用技術的發展,本文還研究了光纖喇曼放大器的特性,根據光波非線性傳方程建立光纖喇曼放大器模型,通過數值模擬分析了泵浦波功率、信號光功率、以及光纖有效面積和損耗對光纖喇曼放大器的影響,得出了一些對光纖喇曼放大器的設計有一定的指導意義的結論。
  19. Based on the research of siso case, we employ the method of feedforward compensation to decouple multiple input and multiple output ( mimo ) plant. it is the key point to design h2 - optimization compensator with the approach of l2 - norm optimization so as to apply directly the result of siso case to the decoupled system

    在對單出的對象研究基礎之上,作者採用相對法和前饋補償方法對多出( mimo )的對象進行前饋補償解耦,在這一過程中關鍵就是引頻域l _ 2范數優化的方法對補償器進行設計使之具有h _ 2優化的特點。
  20. The common detector output pulse signal scope is several dozens millivolts, but the multichannel pulse analyzer input pulse amplitude request is 1 - 15v, therefore the pulse linear amplifier must have the certain voltage gain, about ten times to several times

    一般探測器出脈沖信號幅度為幾十毫伏,而多道脈沖幅度分析器脈沖幅度要求為1 - 10v ,所以脈沖線性放大器必須具有一定的電壓放大,為數倍到上百倍。
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