output bias 中文意思是什麼
output bias
解釋
輸出偏壓-
We apply the agrawal ' s theory model of soa, and study the temporal characteristics of the output pulse for input picosecond optical pulses with different sharpness edges passing through a semiconductor optical amplifier, and find that the peak power and the pulse width of the output pulse depend on the input pulse peak power, the sharpness degree of the input pulse edge and the bias current of soa
本文應用agrawal的關于soa理論模型，詳細研究了具有不同陡峭邊沿的皮秒超高斯光脈沖經soa后的時域特性的變化，發現輸出脈沖的峰值功率、脈沖寬度與輸入脈沖的峰值功率、輸入脈沖邊沿的陡峭程度以及soa的偏置電流密切相關。 -
For the demand of output swing, the bias is provided by high - swing cascode current mirrors
為了獲得高輸出擺幅，設計低壓共源共柵電流鏡為運放提供偏置。 -
Then a thorough analysis to the bias - magnetic of ppfc is made. the retraining effects of the main parameters ( include clamping capacitance c, output filter inductor lf, load r, the leakage inductor ls and source winding resistance r ) are studied under the conditions of different von, different ton and different winding parameters. then a conclusion can be drew, that the smaller lf and the bigger r are, the better the bias - magnetic is restrained and c has a best value to retrain the bias - magnetic
分別對管壓降不同，導通時間不同以及兩原邊繞組參數不一致（包括漏感、電阻、激磁電感三種情況）的情況下，主要參數（包括箝位電容c 、輸出濾波電感lf 、負載r 、原邊繞組漏感ls 、原邊繞組電阻r ）對偏磁的抑制作用進行了模擬分析研究，得出lf越小， r越大時激磁磁勢偏移量ni越小， c在其他參數確定時對抑制偏磁有最優值等結論，為參數的優化設計提供了依據。 -
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 following important work has been done : ( 1 ) some special problems of rate - bias laser gyro were analysed. the problems include modulation and demodulation of the output and algorithm of the attitude updates ; ( 2 ) the integrated navigation system with the fault tolerance property which equipped with many navigation equipments as sins, gps, dvs, ads, mg, vg is designed, and compared with that of ckf via simulations ; ( 3 ) the theories and methods of system level fault detection apply to federated filtering is investigated ; ( 4 ) the problem about using the fused information of sins based on rate - bias laser gyroscope / dynamical tune gyroscope to realize the component level hard fault interactions detection through a back - propagation neural network is discussed
主要研究工作有：研究了速率偏頻激光捷聯慣導的陀螺測量信號的解調演算法；設計了在速率偏頻激光捷聯慣導、 gps 、多普勒雷達、大氣數據系統、磁航向儀及垂直陀螺配備條件下聯邦濾波組合導航系統，對聯邦濾波器和集中濾波器的性能做了模擬對比分析；研究了適用於聯邦濾波器的系統級故障理論和方法；探討了利用速率偏頻激光捷聯慣導撓性捷聯慣導陀螺的混合測量信息，通過神經網路實現硬故障交互檢測的方法。 -
The traditional bandgap reference circuit was improved in the design, which includes the applying of self - bias structure and cascode structure, output of the opamp was used as self - bias voltage, saving bias circuit, and then it was helpful to get low power consumption. through using poly resistance of high value with low temperature coefficient, we reduced the influnce to circuit, if power supply did not change, we must decrease operating current to decrease power consumption, and increasing value of resistor could decrease the operating current efficiently. poly resistance of high value had large value of squared resistor, so we could save layout area
對傳統帶隙基準電路進行了改進設計，採用自偏置結構和鏡像電流鏡結構，利用運放的輸出電壓作為運放的偏置電壓，節省了偏置電路，降低了功耗;使用低溫度系數的多晶硅高值電阻，降低了電阻溫漂對電路的影響;在電源電壓不變的情況下，為了減小功耗就必須減小工作電流，而增大電阻的阻值能有效地減小工作電流，多晶硅高值電阻的方塊電阻很大，可以節省版圖面積。 -
A batch least - squares maximum likelihood estimator is employed to calibrate the model coefficients of accelerometer and a polynomial post - fit method is used to establish temperature models of these coefficients. the temperature models of accelerometer bias and scale factor of accelerometer are established between - 20oc and 50 oc. after compensating the temperature error by using these models, the post - fit residuals of the accelerometer output have been improved to 10 ? 5 g, and the trend term of accelerometer changing with temperature basically vanished
採用最小二乘極大似然估計和多項式擬合的方法，分析加速度計靜態模型系數隨加速度計殼體溫度變化的規律，建立了- 20oc 50oc之間加速度計零偏和標度因數誤差的溫度模型，應用該模型對加速度計溫度干擾進行補償，補償后，加速度計輸出的擬合均方根誤差一到二個數量級，並且基本上消除了加速度計輸出隨溫度變化的趨勢項，使得加速度計測量精度得到了明顯提高。 -
The methodology and innovation in this paper is : ( 1 ) the problems which include modulation and demodulation of the rate biased laser gyro ' s output, algorithm of attitude updates, etc. are analysed. ( 2 ) the component level fault interactions detection of sins based on rate - bias laser gyro / dynamical tune gyroscope by using artificial neural network is investigated
具有創新性的工作有：推導了速率偏頻激光捷聯陀螺測量信息的解調演算法；應用神經網路解決了速率偏頻激光捷聯慣導撓性捷聯慣導陀螺間的硬故障交互檢測。 -
Specifically analysed and presented the common - mode differential input stage, linear transconductance control circuit of input stage, current sum circuit, floating ab - class control output stage, the bias circuit of op amps and the bandgap reference current source circuit
具體對運放的共模差分輸入級、輸入級線性跨導控制電路、電流和電路、浮動ab類輸出級電路、運放的偏置電路和帶隙參考電流源電路進行分析設計。 -
The results that increasing of bias current and shunted resistance and lowing critical current and connected inductance can decrease the transmission time are shown ; ( 4 ) a new type of circuit, ladder shape multiplayer jtl. structure is provided by author, thus output signal of rsfq circuits can be amplified before transfer to room temperature electronics system. it has highly gain of amplify relatively and the double peak structure are avoided through decreasing parasitic capacitance
（ 4 ）針對目前超導與室溫介面電路的電壓放大器存在的「雙峰」和放大增益效率較低的不足，提出了一種全新的階梯式多層jtl電壓放大電路結構，較好的解決了以上的問題，通過初步的模擬分析證實，該電路的構思極負有創新性。 -
Firstly, design the software phase - closed loops ; secondly, realize the double closed loops control of the instantaneous value and the virtual value. furthermore, the dynamic flux imbalance of the output transformer caused by ordinary pi arithmetic is analyzed in detail. a new solution for flux balance by sampling the instantaneous primary current of the output transformer and introducing the on - line calculated bias current component into the voltage regulation arithmetic is presented
系統軟體實現了ups的各個功能模塊，首先設計了軟體鎖相環；然後實現了輸出電壓瞬時值和有效值雙閉環反饋控制；並且在深入分析基本數字pi演算法所引起的輸出變壓器動態偏磁問題的基礎上，提出了一種改進演算法，實時消除了變壓器的偏磁。 -
The results of numerical simulation show that for various kinds of noise without modulation the anti - noise properties and the output quality of laser can be improved by selecting appropriately bias current and parameters of the cavity
數值模擬的結果表明，對于無調制時的各種噪聲，適當選取偏置電流和腔內參數可以提高微腔半導體激光器的抗噪聲性能或激光輸出的質量。
分享友人