loop ratio 中文意思是什麼
loop ratio
解釋
環路傳遞函數-
Designed the dual - loop control circuit based on optimized psm, which realize to select the suitable duty ratio to make output stable by utilizing voltage and current feedback loops
3 ）設計基於優化psm調制模式的雙環控制電路。採用電壓、電流雙環路控制，根據負載情況選擇合適占空比來實現穩壓。 -
In this paper, we perform the tree - level and one loop correction to two - higgs - doublet decay h tb in model ii and model iii and give diagrams of the trend of tree - level and correction decay width ratio versus tan
）衰變在模型（ model ）和模型（ model ）中的單圈輻射修正，對這兩個模型進行比較，並給出了樹圖級和單圈修正後的兩種模型下的衰變寬度比隨參數tan變化的規律。 -
Abstract : a two - pole axially - laminated anisotropic ( ala ) rotor reluctance motor, with a high saliency ratio, is de - veloped. based on it, the performance characte istics of the motors are investigated with open - loop operation. it is proposed that an intensive oscillation occurs at low speed, corresponding to the frequency supplied a little greater than the natural one of the system
文摘:研製了一臺高凸極比的兩極ala轉子磁阻同步電動機，實驗研究了電機的開環運行特性，研究結果表明電機開環運行時存在一個比較嚴重的低頻振蕩，這個振蕩發生在電機電源頻率略大於電機的自然頻率后的某一頻段，且會導致電機失去同步 -
For better performance on emission, there is an electronic device to loop control a / f ratio
為了改善排放效果，增加了空燃比電控系統，閉環控制空燃比。 -
The air - fuel ratio closed loop control adjusts the air - fuel ratio near the theoretical value by controlling the supplementary air of supplementary valve based on the signals of oxygen sensor, running speed and water temperature and which is necessary condition for three - way catalyst converter to work more efficiently
空燃比閉環控制是根據氧傳感器、轉速和水溫信號，控制化油器后補氣閥補氣將空燃比控制在理論值附近，為三元催化轉換器高效工作準備必要條件，使其最大限度降低尾氣排放。 -
Through the research of direct digital synthesizer ( dds ) used as a divider in phase lock loop ( pll ), a frequency synthesizer with small frequency resolution ratio and high purity frequency spectrum can be realized
摘要通過對直接數字合成器在鎖相環路中作為分頻器應用的研究，使頻率合成器可以在實現超細頻率解析度的同時達到高的頻譜純度。 -
On the base of analyzing the work theory of braking system and the ac servocontrol technologies, permanent magnet brush - less motor is used as the electric drive component, the aircraft slippage ratio adjustor and permanent magnet brush - less motor ( pmbm ) speed / current adjuster is made to construct a tri - loop control system
在詳細分析飛機剎車系統的工作原理和交流伺服技術的基礎上，採用稀土永磁無刷方波直流電動機作為驅動部件，飛機期望滑移率控制和電機轉速、電流控制的三環控制方式。 -
Design a kind of sub - optimum digital prefilter. through the simulation of timing recovery loop which is n ' t added prefilter and which is added prefilter, discuss the convergence characteristic and compare the relation between timing jitter and signal to noise ratio, the relation between timing jitter and noise bandwidth of loop, the relation between symbol error ratio and signal to noise ratio
通過對加預濾波器后的定時恢復環的模擬，討論了環路的收斂情況，比較了所設計的數字預濾波器和無預濾波器時環路定時抖動與信噪比、定時抖動與環路噪聲帶寬、誤碼率與信噪比的數量關系，證實所設計的數字預濾波器對減少定時抖動非常有效。 -
( 4 ) the ratio control policies of different work conditions are analyzed ( 5 ) electronic - hydraulic control system has two loop project : single pressure loop and double pressure loop
（ 4 ）分析了在不同工況下的速比控制策略。 （ 5 ）電一液控制系統方案有兩種:單壓力迴路和雙壓力迴路方案。 -
The paper makes great efforts on the software optimization of evrc vocoder. based on the understanding of tms320c64xx cpu structure, we do deeply - optimization on the loop which appear usually in voice signal processing, and this improve the utility ratio of cpu and the parallelity degree of cpu function cell. at the same time, we utilize the bit - exact test to test the fixed - point evrc vocoder with the test vectors of tia / eia / is - 718, which improve the robustness of the vocoder
本文圍繞定點evrc聲碼器的軟體優化，做了大量的工作，在充分理解tms320c64xxcpu結構的基礎上，針對語音信號處理中大量出現的循環運算進行了深度優化，大大提高了cpu的利用率以及cpu功能單元的并行程度，同時，我們還用tia / eia / is - 718的測試向量對定點evrc聲碼器進行了嚴格比特對準測試，提高了聲碼器的魯棒性。 -
Secondly, the dynamic features, surplus torque and loading gradient features of ptss are analyzed by the couple model between the rudder and the eals. it can be concluded that the surplus torque is related directly to the velocity of the rudder, and the loading gradient is the disturbing inverse ratio from the surplus torque to the closed - loop model, which shows the scaling relationship between the input and the disturbance signal act on the eals. it also can be concluded that, under the same dynamic specification, it is more difficult to realize the small loading gradient
然後，採取把系統模型轉化為舵機和負載模擬器相互耦合作用的形式，對被動式力矩伺服系統動態特性、多餘力矩和加載梯度一一進行理論分析，得出:多餘力矩與舵機運動速度直接相關;加載梯度是在系統閉環模型中，與多餘力矩相關部分模型幅值大小成反比的系數，體現了被動式力矩伺服系統的指令信號和擾動信號之間的比值關系，從而在相同的動態指標下，小加載梯度實現更為困難。 -
Most on - using automobiles adopt carburetor type gasoline engine, and in order to reduce those emissions, the effective measure is air - fuel ratio closed loop control working in three - way catalyst converter
為降低其排放，目前行之有效的措施是採用空燃比閉環控制加三元催化轉換器。 -
For better performance in the circumstance of different hand - drawn shape input, an adaptive hmm ( ahmm ) structure is presented which combines single - band integral algorithm and an adaptive compression ratio control technique into one closed loop feedback recognition system, the ahmm can adaptively compress feature vectors according to geometry feature of input graphics, also can it adaptively adjust the feature compression ratio by feedback, this recognition structure achieve good performance in recognition
為了使識別系統能夠更好的適應輸入圖形的變化，本文提出了一種ahmm識別結構，利用基於單邊積分的特徵壓縮演算法和自適應壓縮率調整技術構造了一種閉環反饋識別系統，既能夠根據圖形的幾何特徵自適應的壓縮特徵向量，又能夠通過閉環反饋調整特徵向量壓縮率，達到了很好的識別效果。 -
In order to compare the influence of the initial refrigerant and the new refrigerant to test system better, the volume refrigeration capacity per unit, cop and the ratio of pressure were calculated and compared from the basic refrigerant loop
為了更好的比較原有製冷工質和新型替代工質對測試系統的影響，本文從基本的製冷循環出發，對循環的單位容積製冷量、 cop以及循環壓比等參數進行了計算比較。 -
The method of controlling the a / f combines the open and closed loop systems and gradually improves the accuracy of the lpg injection duty ratio by rough regulation, smooth regulation and micro - regulation
本文採用開閉環互相結合，粗、細、微調逐步精確噴氣占空比的控制方式研製了lpg發動機空燃比控制器。 -
The system properties of single - loop system, such as velocity, torque, bifurcated power, transmission efficiency are researched deeply using theoretical analysis and numerical computing, and gives new methods for designing which according to the design parameter a and combine with the system diffluent coefficient q and the ratio of x, p cell transmission. so the theoretical expressions for designing this kind of transmission is established. the design parameter a is put forward as the ratio of confluent power and the input power of single - loop system
通過對單環路系統的運動學和動力學特性、功率流特性、傳動效率特性等所進行的理論分析和數值計算，提出了以單環路系統主支路功率大小與輸入總功率的比值為關鍵設計參數的設計新方法，並結合系統的功率分流系數q和各組成單元的傳動比，得到了單環路系統的速度、力矩、功率流、傳動效率等計算公式，為該種傳動類型的設計提供了必要的理論依據。 -
This dissertation delivers ecu hardware design scheme and discusses its feasibility ; designs ecu hardware circuit based on mcu, including ecu input and output signal processing channel, and the emigration of c / os embedded real time operating system on mcu lpc2292 ; designs fuel injection control project software procedure, and simulate it. it implements the open loop control of air fuel ratio under part of the motor working condition
在充分進行可行性論證的基礎上，完善了ecu的硬體設計總體方案;設計了基於單片機的ecu硬體單元電路，包括ecu的輸入、輸出信號處理通道以及c / os嵌入式實時操作系統在lpc2292單片機上的移植;設計了燃油噴射控制項目的軟體流程;最後通過模擬模擬，實現了發動機部分工況下的空燃比的開環控制目標。 -
This mode aims at structuring " resources - products - wastes - whether it is and then resource " last closed loop type economic system, it is a new economic configuration that adapt to and optimize the economic structure, utilize resource, entironment protection, advance sustainable development ratio nally, and will become a kind of development trend in the 21st century
這一模式旨在構建「資源? ?產品? ?廢物? ?再資源」的閉環式經濟系統，是適應于優化經濟結構、合理利用資源、保護生態環境、推進可持續發展而產生的一種新的經濟形態，並將成為21世紀的一種發展趨勢。 -
The task in the open loop system is to get lpg injection duty ratio in pre - set two dimension map according to practical engine operation condition, while the task in the closed - loop system is to calculate lpg injection duty ratio by the approaching increment method or the proportion and integral ( pi ) controller according to the signal of the oxygen sensor. to eliminate the oscillation phenomena of the signal of the oxygen sensor in low - speed condition, this paper develops the stable increment method
開環階段根據實時工況參數對事先制取的噴氣占空比map圖執行取值操作；閉環階段根據氧傳感器反饋信號通過增量逼近法或pi環節計算輸出適合即時工況的噴氣占空比值；為解決低速振蕩現象，本文運用固定增量法，對系統進行低速振蕩微調。
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