stage gain 中文意思是什麼
stage gain
解釋
放大級增益-
Seismic amplifiers are multi-stage and have very high maximum gain.
地震放大器是多級放大器，它有很高的增益。 -
The quantity of increased leaf efficiency contributed to the aboveground biomass gain after defoliated are different at different irradiance. at the initial stage, the increased leaf efficiency of defoliated plants contributed more to biomass increment of aboveground under higher light level than those under lower irradiance. as the treatment time extended, the contribution to growth of increased leaf efficiency of plants under intermediate light level went beyond those under full irradiancy
（ 2 ）葉受損的植株葉效率顯著高於未受損植株；光照強度越高，植株的葉效率越高；受損植株增加的葉效率在不同光照條件下對生長的貢獻大小不同，處理初期，全光照下葉損失植株增加葉效率對地上部分的生物量增加貢獻大於中度光照，大於低光照下植株，隨處理時間的延長，中度光照下的植株增加葉效率對生長的貢獻逐漸超過了全光照下植株。 -
A systematic summary of previous work has been given first. then this paper presents a novel multi - stage face detection algorithm, which makes a good use of human face pattern ' s valuable information in colour image sequences. the difficult detection task has been divided into four steps : the preprocessing, which is to gain skin colored regions with human skin color model ; the roughly detection and face region refining by elliptic curve fitting ; the fine detection with facial features " detection and location ; the face / non - face classification step based on pca and gaussian density estimation technique
本文對彩色序列圖像中的人臉檢測和跟蹤技術進行了深入的研究，其具體內容為：對近年來的研究工作進行了系統的介紹；提出了一個由粗到細的多階段的人臉檢測演算法，該演算法充分利用了序列圖像中人臉模式的各種有用信息，將復雜的檢測工作分為了四個部分：膚色區域分割預處理，人臉粗檢及利用橢圓擬和的人臉區域提煉，應用人臉基本特徵檢測和定位的人臉細檢， pca結合高斯概率密度估計的人臉驗證。 -
Not only can gain mismatch of the sigma - delta modulator be minimized, but the overload of the later stage sigma - delta modulator can also b e resolved without sacrificing the signal noise ratios ( snr ) of the over all system
不僅可以減輕積分三角調變器增益不匹配之困擾，並且可以解決后級積分三角調變器容易過負載之問題；然而，卻不會讓整體系統的訊號雜訊比（ snr ）降低。 -
The results of this experiment showed that the nutrition level had a certain effect on weight gain, feed conversion rate and lactation weight loss in every stage during gestation, and the effect of metabolic weight and average daily feed intake on sow ' s gestation weight gain during early days of gestation period was significant ( p < 0. 05 )
結果表明，不同的營養水平影響到妊娠各階段增重、日增重和料肉比以及泌乳損失，妊娠前期代謝體重、日均採食量對泌乳損失的影響顯著（ p < 0 . 05 ） 。 -
Based on our theoretical predictions, we find optimal splicing parameters on fsm - 30s fiber splicer for low loss joints between erbium doped fiber and other single mode fibers. we also experimentally demonstrate a novel three - stage erbium - doped fiber amplifier with high gain, low noise figure, and high output power. finally, a prototype of a gain - clamped fiber amplifier is obtained with high gain ( 26 db ), low noise figure ( 5. 3 db ), high output power ( 17 dbm ), and large bandwidth ( 31 nm )
文章研究了摻鉺光纖（ edf ）與其他光纖低損耗焊接問題，得到光纖熔接機低損耗熔接的最佳參數，這對摻鉺光纖放大器的科研生產具有一定的指導意義；研究了新型的三段級聯泵浦優配的摻鉺光纖放大器的優化光路結構，得到高增益，低噪聲，大輸出功率的摻鉺光纖放大器；最後研製成功高增益（ 26db ） ，低噪聲（ 5 . 3db ） ，大輸出功率（ 17dbm ） ，寬帶（ 31nm ）增益箝制摻鉺光纖放大器樣機。 -
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。 -
The gain stage operates at a constant level regardless of the setting of the master level control, and so the sound of this circuit will not alter at various level settings
無論主音量控制的位置如何，放大級都可以工作於一個穩定的電平，並且不同的音量設定不會引致該電路的音色變化。 -
The article uses general principle and research method of administrative theory for enterprise strategy, based on the concrete condition of raw material medicines in our country, researches both the inside and outside environments of raw material medicines industry in our country, analyze the chance, intimidation, superiority and inferiority of the enterprises for raw material medicines in our country through swot matrix, on this basis, puts forward the strategy formation for the enterprises for raw material medicines in a certain stage : ( l ) to adopt centralized strategy, gain a foothold on the common varieties of which the superiority have been achieved
本文運用企業戰略管理理論的一般原理和研究方法，從我國原料藥的實際情況出發，對我國原料藥行業內、外環境進行研究。通過swot矩陣分析我國原料藥生產企業的機會、威脅、優勢、劣勢，在此基礎上提出我國原料藥企業在未來一定時期內發展戰略的選擇方向： （ 1 ）採用集中戰略。立足於已取得優勢的常規品種。 -
But in the meantime, if china ' s losses in the first stage are fairly heavy and the second stage drags on very long, the theories of national subjugation and of compromise will gain great currency
但是在同時，如果第一階段中國損失較大，第二階段時間拖得很長，亡國論和妥協論更將大大地流行。 -
If we can persevere in the war of resistance, in the united front and in the protracted war, china will in that stage gain the power to change from weakness to strength
如能堅持抗戰，堅持統一戰線和堅持持久戰，中國將在此階段中獲得轉弱為強的力量。 -
The 2 - stage differential transconductance amplifier is used in the design to achieve high gain. in the design of amplifier, a resister and a miller capacitor is used to deal with the stability and frequency compensation
系統中採用差分跨導運算放大器的設計，為了保證其具備高增益與高穩定性，選用二級結構，並且增加了補償電容和電阻。 -
However flux leakage is really exist, calculation through formular analytic method has more error, so electromagnetic field analysis is made by using finite element method ( fem ) in ansys7. 1 / multiphysics and ansys / emag programs. typical quantities of interest in a magnetic analysis are available such as magnetic flux density, magnetic field intensity, magnetic forces, power loss and flux leakage in the system of magnetic levitation. then gain the current in the coil which control levitation gap when the stage is stable
由於存在漏磁，用公式的解析法計算有很大的誤差，因此本文採用有限元法（ fem ）來計算磁懸浮系統磁場分佈，從而計算磁力，通過用ansys7 . 1軟體進行有限元電磁場分析計算，得到平臺穩定懸浮時電磁線圈所需電流、懸浮氣隙等控制參數，由於設計的磁懸浮系統為非軸對稱結構，採用2d磁場分析有一定的誤差，而採用3d電磁場分析更接近實際。 -
Firstly, a two - stage structure for the ota is presented after comprehensive considerations on characteristics like open - loop gain, unity - gain bandwidth, phase margin and settling time. then the input and output topologies have been decided by comparing different structure available for this purpose
首先，通過對ota開環增益、單位增益帶寬、相位裕度和建立時間等性能指標的分析，並對比了幾種典型運放結構，設計開發了一種cmos全差分共源共柵兩級運算放大器框架。 -
Usually the low power operational amplifier is designed with rail to rail output stage, whose signal dynamirange is small, its output driving force is not strong, here it is designed with voltage displacement stage, and the strong driving force and the low power consumption in this circuit are achieved. with 5v single power, this amplifier consumes only several a, 100khz unity - gain frequency, achieves 80db dc open gain and 55 phase margin for a 100pf load capacitance and a 1m load resistance and other advantages
通常設計的低功耗軌對軌輸出運算放大器中，由於信號的動態范圍比較小，它的輸出驅動能力不強，這里設計的是採用電平位移電路同時實現了電路的強驅動能力與低功耗，它具有在單電源電壓5v的條件下，靜態工作電流只有幾微安，單位增益帶寬達100k ，開環增益能達80db以上，相位裕度也能達55度，輸出源沉電流達500微安以上等優點。 -
As the first stage of the system, its gain, noise figure ( nf ) and linearity directly take effect on the whole circuit
由於是整個電路系統的第一級，因此其增益，噪聲，線性度等直接影響整個電路系統的性能。 -
The average gain and nf are 22. 22db and 8. 69db respectively. gain flatness under single and double lasers control are 0. 69db and 1. 51db. a gain - clamped dual - stage l - band edfa by utilizing backward c - band ase as control light is presented for the first time
2 .我們還提出了一種優化反射式edfa噪聲性能的方案，通過利用高雙折射環鏡代替普通光纖環鏡來抑制鉺纖的前向ase ，雙通放大器在1580 . 84nm ~ 1588 . 48nm范圍內的平均噪聲系數減少了3 . 7db 。 -
Students of this program are expected to gain knowledge of advertising ; skills in planning, creating, making and issuing of advertising ; skills in marketing and skills in information analysis and processing ; understanding the law and regulations of china in advertising ; knowledge of skills in public relations ; understanding current stage and trend of chinese and global advertising industry
本專業學生主要學習馬克思主義基本原理、廣告學的基本理論與基本知識，接受廣告策劃、市場營銷策劃和操作實施等基本能力訓練，掌握廣告實施與經營管理的基本知識與技能。 -
The goal of this compensation scheme is to make the adc tolerant of comparator offsets and can detect input signals ’ overflow and achieve the desired linearity 。 dominant error mechanisms in the s / h, sub - adc, sub - dac and gain stage are defined and characterized for an arbitrary stage in the pipeline
基於對流水線工作原理和誤差機制的深入研究，提出了一種適用於10位100msample / s流水線adc的新型冗餘校正技術。該技術目的在於校正比較器的失調，實現溢出判斷功能，以提高系統線性度。 -
For this, i adopt the new differential input stage to make input common mode range enlarged, and as far as possible not reduce its gain
為此，採用了新的差分輸入級，使共模範圍增大，同時盡量不減少差分輸入級的增益。
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