比慣性能 的英文怎麼說
中文拼音 [bǐguànxìngnéng]
比慣性能
英文
specific inertial energy-
Certain possible inventions of which he had cogitated when reclining in a state of supine repletion to aid digestion, stimulated by his appreciation of the importance of inventions now common but once revolutionary for example, the aeronautic parachute, the reflecting telescope, the spiral corkscrew, the safety pin, the mineral water siphon, the canal lock with winch and sluice, the suction pump
當吃飽后，為了助消化而仰臥著時，他曾思考過幾項發明的可能性。這是由於認識到如今雖已司空見慣當初卻曾是巨大革新的那些發明的重要性，從而受到刺激：比方說，航空降落傘反射望遠鏡螺絲錐別針瓶裝礦泉水運河那有著絞車與泄水道的閘門裝置抽水機。In this paper, the main research works are as follows : 1 ) survey and analysis previous work in auv navigation and summarize : as the cumulate error, the dead - reckoning and inertial navigation systems ca n ' t be used without other modified system ; the acoustic navigation system is used only in small range, and is very expensive. 2 ) two important approaches in geophysical navigation techniques are summarized, one is terrain contour based navigation, this approach is investigated keystone today ; the other is image based navigation, due to no perfect image sensors and image seabed map, this approach has seldom been practised. 3 ) two important terrain contour based navigation algorithms has been applied to auv, one is match algorithm - based terrain contour match ( tercom ) ; the other is kalman filter - based sandia inertia terrain - aided navigation ( sitan )
主要研究內容包括：一、總結分析了當前水下導航的常用方法和不足之處，指出基於航位推算的導航方法，存在著最大的問題就是導航誤差的積累問題，如果沒有修正系統，這種方法很難滿足使用要求；其次指出基於聲學的導航方法，造價昂貴，導航范圍有限，難以滿足自主水下航行器大范圍導航的需求；二、總結了當前水下地形輔助導航的主要技術路線，一是基於地形高程的匹配方法，這是當前研究的重點；二是基於地形圖像的匹配方法，由於缺乏良好的圖像傳感器，和可用的海底圖像地圖，目前這種方法還有待研究發展；三、將兩種地形高程匹配的常用方法應用到自主水下航行器上：以相關演算法為前提的地形輪廓匹配（ tercom ）方法和以卡爾曼濾波為基礎的桑迪亞慣性地形輔助導航（ sitan ）方法，前者演算法簡單可靠，但是導航精度不高，後者雖然精度比較高，但存在著演算法較為復雜、有可能發散和出現奇異值等問題。Then pid flow rate control algorithm is introduced. all experiments made in this chapter are about measuring the valve parameters according to spool positions, single actuator flow rate control by the calculated flow rate feedback control method, free flow rate dividing control under the sufficient pump discharge flow rate situation, proportion flow rate dividing and flow rate dividing based on meter - in flow rate feedback control method under insufficient pump discharge flow rate situation. the results of all experiments proved that the method presented in this thesis is an effective way to overcome the unreasonable flow rate dividing when simultaneously operating multi - actuators with different inertia loads
第四章介紹了多執行器復合控制實驗系統和實驗方法；介紹了實驗採用的流量控制的pid演算法；並測定了執行器控制閥和閥芯位移相關的系數；做了單個執行器計算流量反饋流量控制、流量足夠情況下多執行器流量任意分配、流量不足情況下多執行器按比例調節流量分配和多執行器進油側流量反饋分流控制實驗；通過實驗說明了論文提出的分流控制方法能實現大小慣性負載復合操作時的合理分流。Forehand attack is a non - habitual action in table tennis playing. it is the most important skill of quick attack players and the key of table tennis teaching to the students majoring in higher physical education. to have a good command of forehand attack in very short time is an important subject in table tennis teaching and coaching. compared with different results of teaching and coaching experiments, it is proved that the alternate teaching and coaching method combined with external factors in practice can help the students form the dynamic finalization, that the teaching and coaching method is very effective and can be used in table tennis theoretical teaching and practical coaching
正手攻球是快攻運動員最重要的技術，是高校體育專業學生乒乓球教學的重點，是一個非習慣性動作，要在較短的時間內高質量地掌握正手攻球，是乒乓球教學中的重要課題.從實驗對比入手，深入研究並確定以交叉教學法並配合練習中施加外部因素的方法，使學生形成穩固的正手攻球動力定型，能明顯提高教學效果，具有較好的實用性The control motors in the well traction robot require high temperature resistant, quick response, small volume and large power density. because coreless dc motors uses ironless - rotor, the inertia and inductance is very small, mechanical time constant is less than 28 milliseconds, several products can attain in less than 10 milliseconds. its weight and size are 1 / 3 - 1 / 3 less when compared with an iron core motor of same power
水平井牽引機器人對控制電機不僅有耐高溫要求，而且有響應快、體積小、能量密度大等要求，而空心杯電樞直流電動機由於無鐵心，故慣量和電感均大為減小，機電時間常數小於28ms ，部分產品可以達到10ms以內;與同等功率的鐵芯電機相比，其重量、體積減輕1 / 3 - 1 / 2 ，是低慣量電機中性能最好的一種。Its unique entirely - solid state, simple configuration, wide dynamic range, short starting time, high antibounce ability, low - cost, small - cubage, light - weight, low - power waste make it not only compatible for the civil industry field but more for martial application. for the advantage as above, the optic gyro is very potential to the strap - down inertia navigation system
它代表了慣性儀表與元件發展的一個新方向，與傳統的機械陀螺相比其獨有光學陀螺儀的全固態、結構簡單、動態范圍寬、起動時間短、剛沖擊能力強、成本低、體積小、重量輕、功耗低，使其不僅適合於民用工業領域，而且更適合於車輛、各種軍事上的應用。Secondly, it was impossible, because to paralyse the force of inertia with which napoleons army was rebounding back along its track, incomparably greater forces were needed than those the russians had at their command
第二，之所以不可能還因為，拿破崙軍隊不要命的狂逃有一股巨大的慣性力，要阻擋住，使其癱瘓，這就必須要有比現有的俄軍數量多得多的軍隊。Some new features such as ratio of centripetal moment, ratio of eccentric moment and ratio of inertial moment are introduced in this dissertation. these features have the properties of scale - invariance -, rotation - invariance and translation - invariance, and can be used well in depicting the linearized outline object
本文提出向心矩比、偏心矩比、慣性矩比概念，對線性化后的輪廓應用本文方法，既能較好地描述圖像目標，又具有旋轉、平移和尺度不變性。On the basis of relative researches in the world, according to the study status of steel - concrete composite slab, which would be widely used in modern bridge, modified equivalent inflexibility of steel - concrete composite slab was deduced by use of conversion section principle in this paper ; based in this, this paper put forwards the theory of ultimate flexural capacity of steel - concrete composite slab in consideration of slip effect, and introduces the practical simplified method for calculating flexural deformation of steel - concrete composite slab in consideration of the effect of steel studs and welded wire, and conclude that the methods in this paper is veracious and reliable, comparing with the traditional calculating mode ; morever, this paper put forwards the calculating theory and program of the effect analysis of creep and shrinkage to steel - concrete composite slab, using conversion elastic modulus principle, and testifies that the theory is right and the program is reliable and practical
本文在國內外研究成果的基礎上，針對壓型鋼板與混凝土組合板結構在現代橋梁建設中廣泛應用前景和研究現狀，利用換算截面法導出了壓型鋼板與混凝土組合板結構的修正等效慣性矩；在此基礎上，又推出了考慮壓型鋼板與混凝土之間的相對粘結滑移影響的壓型鋼板與混凝土組合板結構極限抗彎承載能力計算理論，並介紹了考慮栓釘、聯結件影響的壓型鋼板與混凝土組合板結構簡化實用撓曲變形計算公式，而且通過與傳統計算理論的分析比較，表明本文提出的計算理論公式的準確可靠性；此外，採用換算彈性模量比法著重提出了壓型鋼板與混凝土組合板結構的徐變、收縮效應分析的計算理論和程序，並通過實例分析計算證明了理論的正確性、程序的可靠性和實用性。Chapter 3 gives an introduction to the flow rate dividing principle based on meter - in flow rate feedback control of multi - actuators control system. special analysis about simultaneously operating multi - actuators with different inertia loads is made. finally the results of simulation proved that the new method is an effective way to improve the flow - used ratio when the pump discharge flow rate is insufficient
第三章介紹了基於執行器進油側流量反饋的分流控制的原理，並針對大小慣性執行器同時起動時採用該分流控制方法進行了具體分析；最後通過模擬說明該分流控制方法能在大小慣性執行器同時起動並在泵輸出流量不足的情況下有效提高泵輸出流量的利用率，並能實現優先級和分流比混合控制。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。Permanent magnet synchronous motors ( pmsm ) have high magnetic energy product. in the same volume, it can be smaller and lighter than asynchronous motor. in addition, it has stiff mechanical character and small rotor moment of inertia, so it is often used as servo motor under the condition of high torque response and high performance
永磁同步電動機具有較高的磁能積，相同容量下可以做到比異步電動機體積更小、重量更輕，而且由於機械特性硬、轉子轉動慣量小，很適合作為伺服電機，用於高轉矩響應、高性能要求的場合。However, by comparison with flap nozzle servo valve which has been used widely and popularly by now, the torque motor of jet pipe servo valve has a larger rotary inertia. this causes low natural frequency of servo valve, and thus the response speed of jet pipe servo valve is slow. moreover, the jet pipe of servo valve has large flexibility, and it is easy to excite oscillations and noise in the valve, which is named self - excited oscillations and noise
然而與目前普遍使用的噴嘴擋板伺服閥相比，射流管伺服閥的銜鐵組件轉動慣量大，導致力矩馬達部分固有頻率低，從而響應速度慢，此外，射流管供油管柔性大，容易產生自激現象，這些缺點都使得射流管伺服閥的動態特性差，從而影響了它的工作性能。And the momentum of the course on which he had embarked tended to keep him going in it, unless diverted by a stronger, more sustained force than had played upon him this afternoon
他已經走上了這條路，慣性的力量還要推著他繼續往前走，除非有一股比今天下午使他走上這條路的更強大更持久的力量，才能把他扭轉過來。In training of back - propagation neural network, parameter adaptable method which can automatically adjust learning rate and inertia factor is employed in order to avoiding systemic error immersed in a local minimum and accelerating the network ' s convergence ; introduced the further optimization of the network ' s structure, it gives the research result of selection of the hidden layers, neurons, and the strategy of re - learning, compared the sums of the deviation square of this algorithm with conventional bp algorithm, as a result, the approach accuracy and the generalization ability of the network were extremely improved
在對前饋神經網路的訓練中，使用參數自適應方法實現了學習率、慣性因子的自我調節，以避免系統誤差陷入局部最小，加快網路的收斂速度；提出了優化bp網路結構的實驗研究方法，並給出了有關隱含層數和節點數選擇以及再學習策略引進的研究結果。將該演算法同傳統bp演算法的預測偏差平方和進行比較，結果證實網路的逼近精度及泛化能力均得到了極大的提高和改善。First, the difference between the stm and utm is compared and analyzed. the results show that it can accurately simulate the unsteady flow process of piston wind and the pollutant distribution in tunnel after train left the tunnel, can analyze and calculate the good effect of inertial action of piston wind if using utm
文中首先分析和比較了傳統隧道通風設計所採用的恆定流理論與非恆定流理論的差別，表明運用非恆定流理論不僅更能準確模擬隧道內活塞風的非恆定流動過程，而且能模擬列車通過隧道過程中隧道內污染物濃度的分佈，同時還能考慮利用隧道內氣流（活塞風）慣性作用促進隧道通風，節約通風能耗。While you might expect that a leisurely paced person would be better organized than a multitasker, in fact monochronic folks actually have trouble getting their act together, and tend to put off things because of their focus on accomplishing tasks in a ceratin order
你可能會以為一個生活節奏緩慢的人將會比身兼數職者更易於組織，事實上，由於單一慣性者注重按某一程序完成任務，因而他們難于共同行動並有拖延傾向。After that, an integrated color histogram is built based on the subregion color histograms. this integrated color histogram overcomes the disadvantage of simple global color histogram. to digitally represent a color histogram an inertial moment ratio calculated from a color histogram graph is proposed as a new digital feature of the color histogram
通過比較各個區域顏色直方圖的相似性匹配圖像，可克服全局直方圖的局限性，對顏色直方圖的度量是其中一個關鍵技術，利用慣性比來從顏色直方圖提取特徵，能夠保證簡單明了地表達顏色直方圖。", assessing the performance of a given idiom or construct in the java language is far harder than it is in other, statically compiled languages
"這期文章中所看到的，與其他靜態編譯的語言相比，評論用java語言編寫的給定慣用法（ idiom ）或結構體的性能要困難得多。For architectural requirements, residnces have many walls. as a result it is comparatively resonable that sub - high rise residences are frame - wall structures or shear wall structures we a1l know that shear wall structures have large sectional area and the capability of bearing vertical loads is respectively high. nevertheless, under seismic forces they have large inertia forces and small lateral displacemente
由於傳統現澆鋼筋砼剪力墻結構的墻體截面積大，故承受豎向荷載的能力比較容易滿足，但墻體的自重、剛度大，在地震作用下慣性力大、側向位移很小，所以一般認為剪力墻結構延性差，屬于脆性結構。分享友人