能量有效度 的英文怎麼說
中文拼音 [néngliángyǒuxiàodù]
能量有效度
英文
energy effectiveness- 能 : 能名詞(姓氏) a surname
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 有 : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
- 效 : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 能量 : 1 [物理學] energy; amount of energy 2 (能力) capabilities; capacity; 能量不滅 conservation of e...
- 有效 : effective; valid; efficacious
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Steamed millets with water content of 45 % ( broomcorn ) and 42 % ( foxtail ) were inoculated with liquid culture of p. delphacis ( containing mycelial mass of ~ 25 mg / ml ) at a ratio of 20 % ( v / w ) and then incubated at 25 ? and l : d 12 : 12
將菌絲生物量約為25mg / ml的菌絲液按20的比例( v / w )接入經高溫濕熱滅菌並適度熟化、含水量分別為45和42的黍米及粟米中,在25和12l : 12d條件下直接培養,所獲3 17d黍米和粟米培養物的產孢潛能和有效產孢時間因培養天數不同而異。The numerical simulations demonstrate the convergency within a wide region of this method to out - perform the conventional regularization gauss - newton method
通過與傳統的正則化高斯牛頓法相比較,顯示了小波多尺度法是一個大范圍收斂、能夠有效節省計算量的方法,數值模擬的結果也表明了方法的有效性。As proved by experiments, the present method can effectively restrain the influence of speckle to the laser triangular measurement system and the obtained calibration accuracy is about 0. 05mm within 100mm depth range
只需對特殊設計的模塊進行一次測量,便可完成對整個測量系統的校準。該方法能夠有效的抑制激光散斑的影響,具有較高的系統精度。The correctness is over 99 %. ( 5 ) shape features studied were aspect, first invariant central moment, elongatedness, roundness, circularity and thickness. aspect and first invariant central moment are the most effective shape features for identifying monocotyledonous weed from dicotyledonous weed, and the correctness was 93 %
( 4 )利用修正的色度公式,由判別分析法確定色度閾值,對雜草圖像進行閾值分割,能夠有效地識別植物與非植物背景,正確識別率在99以上,但色度的計算量大於過綠特徵的計算量,不利於雜草識別速度的提高。An automated de - noising algorithm based on the energy of wavelet packet not donoho ' s threshold algorithm is established. a gear feature vibration signal extraction method using the wavelet packet energy is proposed, which can separate gear meshing vibration, noise vibration and gear fault vibration signal from the original gearbox case vibration signal. basis pursuit ( bp ) algorithm is introduced into the filed of mechanical signal de - noising and feature extraction for the first time
第三章擺脫了donoho的閾值消噪思想,從能量的角度建立了基於小波包的自動消噪演算法;提出基於小波包能量分佈的齒輪故障特徵信號提取方法,可以將齒輪嚙合振動信號、干擾振動信號以及故障沖擊振動信號從原始齒輪振動信號中分離出來;首次將基追蹤消噪演算法引入到機械故障信號的消噪與特徵提取上,通過對齒輪故障信號的消噪,表明了它的有效性,並對影響該方法實際應用效果的因素進行了全面的分析,同時也指出了該方法存在的局限性。The precise clock source is crystal oscillator made of 74hc04 ; the mute circuit can conceal the error and solve the problem of noise ; the antenna switching circuit in the receiver is to select one antenna from two which receives signal better. it can improve the quality of the receiving audio signal, restrain the noise effectively and promote the system performance
高精度的時鐘源是由74hc04構成的晶體振蕩器;靜音電路將出錯的音頻信號進行差錯掩蓋,很好地解決了噪聲問題;接收機採用兩副天線切換工作,提高了音頻信號接收質量,有效地抑制干擾,提升了系統的性能。Therefore this paper proposes the delay equalization algorithm which can both guarantee the qos of high priority traffic and effectively reduce the delay of ubr traffic in broadband satellite network. it is based on the prediction and equalization the delay of vbr or abr traffic so that the saved slots can be allocated to ubr traffic. the approach of dynamic alternation slots between vbr and ubr traffic can improve the mean tdma frame utilization while reducing the delay of ubr traffic
因此本文在基於流量估計的資源調度演算法基礎上,提出了一種在寬帶衛星網路下能夠保證高級別類業務qos ,同時又能夠有效地降低ubr業務時延的時延均衡( delayequalization )調度演算法,它是基於對vbr或abr業務時延的預測,均衡時延的方法,保證vbr或者abr業務qos的同時,將節省的時隙分配給ubr業務。With energy method, we can conveniently control the precision of the objective surface and add boundary constraints for preserving the model ' s global geometric continuity, but this method is very time - consuming. stiffness adjustment is the easiest method to be implemented and the fairing result is always satisfying except that the acquired surface editing is awkward. based on wavelets decomposition, the surface model ' s data size can be compressed efficiently and this method is running fast, however, the error and boundary constraints are difficult to be considered
其中基於能量原理的光順方法能夠方便地控制目標曲面的精度和邊界條件,從而能夠實現曲面模型的全局連續性,但是能量法的運算速度還有待提高;剛度調整法實現簡單,但是生成的曲面的可編輯性較差;小波分解方法計算速度很快,能夠有效地實現數據壓縮,但是其逼近誤差和邊界條件卻難于控制。According to the high dispersedness and low precision of measurements when using the traditional time difference method in small diameter and low flow rates conditon, this paper brings forward a new method based on high - speed data acquisition technique. the time difference comes out accurately with high resolving ability of time by using the method and the signal processing algorithms. the developed ultrasonic detection system is composed of two ultrasonic detectors, a transmitting and receiving ultrasonic unit, a high - speed data acquisition unit and a computer
本文針對傳統的時差法在小管徑、低流速測量時,具有測時結果分散性大、測量精度受計數頻率的影響大等不足,創造性地把高速數據採集技術應用在超聲波流量、壓力測量上,用信號處理演算法求時差,使時差成為一個統計量,有效地克服了超聲波傳統時差法測量精度差、不能測量小管徑、低流速流體流量的缺點,提高了時差測量的解析度和精度。Compared with the traditional nai scintillator probe, cd1 _ xznxte probe has higher detecting efficiency and power resolution, and can be widely used in fields such as security monitor, industrial flaw detection, medical diagnosis, celestial body x ray telescope and so on
與傳統的碘化鈉閃爍體探頭相比, cdznte探頭具有很高的探測效率和能量解析度,可廣泛用於安檢、工業探傷、醫學診斷、天體x射線望遠鏡等方面。Furthermore, a new elastic matching algorithm is designed with the combination of shape blending, which is based on physical elastic model, and a distinct improvement of performance is achieved. chapter 4 is mainly focused on recognition approaches using hidden markov model. firstly, the general concepts and algorithms of hidden markov model are described, and then, a new model called ddbhmm is discussed and compared with the classic model in detail
文中首先介紹了一種自適應形態校正技術,隨后討論了彈性匹配中的一些基本演算法及存在的問題,並在此基礎上研究了一種新的彈性匹配演算法,其主要特點是在匹配演算法中引入了一種基於物理模型的形變度量,能夠有效地改善原有演算法的性能。5. otherwise, the applicability of cube comer array in the wide spectrum high power solid - state laser facility was researched as a relatively absolute part in this paper. through simulation, the action of cube corner array to reduce beam ' s focal spot size was testified visibly, and the smoothing effect of beam ' s modulation caused by cube corner array was proved primarily on the wide spectrum condition
另外,作為一部分相對獨立的內容,本文對寬頻帶激光傳輸條件下採用角錐棱鏡陣列抑制低頻波前畸變的設想進行了探索性的研究,通過模擬模擬驗證了角錐棱鏡陣列具有抑制低頻波前畸變、提高激光焦斑能量集中度的顯著作用,並初步驗證了寬頻帶激光傳輸條件下近場振幅高頻調制的勻滑效應。Leakage current is one of key factors for the energy resolution of the detectors, the mis detector has lower leakage current thus improve the energy resolution. the mis structure is a good contact type for the cdse detectors
可見漏電流是影響探測器能量解析度的重要因素,具有mis接觸電極的探測器能有效地減小漏電流,提高能量解析度,因而是cdse探測器的一種較佳電極接觸方式。The new unit has following technical features : ( 1 ) the unit ' s load is balanced by means of the accumulator and hydraulic cylinder with special structure ; ( 2 ) the installed power of the unit can be reduced greatly by adopting the accumulator ; ( 3 ) variable frequency speed regulation ensures good energy saving effect, and the closed oil circuit requires less hydraulic oil ; ( 4 ) a bi - directional hydraulic lock in the oil circuit ensures the stability and safety of the operation of the pumping unit
新型機具有4個技術特點: ( 1 )由於活塞柱塞式液壓缸的特殊結構和液壓蓄能器的配合使用,在平衡抽油機大部分載荷時,不需另外增加配重,可減小抽油機體積、質量和佔地面積; ( 2 )抽油機下沖程時,與活塞柱塞式液壓缸相連接的蓄能器吸收能量,上沖程時儲存在蓄能器中的能量補充載荷上行所需的能量,大幅度降低抽油機裝機功率; ( 3 )利用變頻容積調速節能效率高,閉式油路節省液壓油,同時大大減小液壓泵站的體積; ( 4 )在閉式油路中採用雙向液壓鎖可使抽油機的啟停更加平穩、迅速,其工作的穩定性和安全性更好。An efficient algorithm qais is proposed that uses the efficient method to reduce database access activity, and present a novel algorithm aiu based on this algorithm, it is fit for mining association rules and incremental updating. it is especially effective in vldb, mining long patterns, and high support. the perfermance of qais / aiu is verified on the basis of synthetic data, experiments show that the proposed algorithm can mine association rules more efficiently by not generating candidate itemsets and reducing the redundancy of frequent itemsets while generating association rules
然而目前大多數挖掘關聯規則的演算法往往必需多次掃描事務數據庫才能達到要求的目標,這樣重復性的數據庫存取動作將會導致過多的執行時問浪費在i o動作上,另外在頻繁集生成規則時現有的演算法沒有考慮到規則的大量冗餘,為了解決這個問題本文提出了一個不需要生成候選集同時有效的去除生成規則時產生大量冗餘的演算法qais ,來提高關聯規則生成的速度,並且在此演算法基礎上提出了新穎的關聯規則增量更新演算法aiu ,通過應用合成數據驗證了qais aiu演算法的有效性,由試驗結果來看這個方法確實能更有效且準確地獲得事務數據庫的關聯規則,尤其適合挖掘超大數據庫中高支持度下長模式的挖掘。Then its mathematical model is set up and its validity is proved by computer simulation results. in the following, a new processing method of using three - antenna to detect, locate and image moving target is proposed based on dpca and interferometric theory. this method can not only suppress ground clutter effectively and detect moving target but also locate accurately azimuth position of moving target and estimate its velocity
深入分析了dpca和干涉的原理后,提出一種沿航跡放置的三天線sar動目標檢測和成像方法,詳細描述了該方法的工作機理,給出系統組成框圖,並給出該方法進行動目標檢測、定位、測速和成像的步驟,然後給出了計算機模擬方案及大量的模擬結果,充分證明了採用該方法不僅能夠有效的抑制地雜波、檢測動目標,還能夠對動目標精確定位,準確估計出動目標的速度,對動目標重新聚焦成像。Due to the unique, stable and live physiological properties of the iris and non - invasive to users, most stable and reliable for identification in practical applications of iris - based system, iris recognition is receiving extensive attention and becoming an active topic in biometrics. as an application - oriented research project, iris recognition integrates mathematic, computer science, optics, electronics and physiology etc. based on wavelet transform, aimed to improve the recognition performance, centered at wavelet - based iris feature representation and pattern classification, we review and explore the iris sequence image quality assessment, iris image pre - processing, iris recognition performance evaluation and several other linked topics. we mainly investigate on the principles and application methodology of wavelet transform for iris feature representation and iris pattern classification methods
以小波變換技術為基礎,結合圖像處理和模式識別方法,設計並開發了虹膜圖像採集裝置,建立了虹膜識別演算法測試實驗平臺;重點研究了虹膜識別中的小波變換的應用基礎理論與關鍵實現技術;提出了基於小波局部模極大值的虹膜特徵表示及其多重匹配識別、基於小波多尺度信息的一維和二維虹膜紋理特徵量化表示、基於小波過零點技術的虹膜特徵表示及其規范化的部分hausdorff距離匹配識別,這三類方法能夠有效地提取虹膜特徵;基於自建的演算法測試平臺,對上述三類方法和其他三種國內外比較有影響的基於小波變換的虹膜識別方法進行了定量的性能比較和評價,通過實驗數據分析得到了有意義的結論;最後指出了小波變換技術在虹膜識別領域的研究重點與發展方向。Measurements of intensity similarity on the end points and displacement similarity on other points are introduced into the external energy to avoid model shrinking and shift along the object during deforming, which are common in open snake
通過在外部能量中引入對端點的灰度相似度和對中間點的運動相似度的測量,有效地避免了模型沿血管收縮或漂移的現象。In addition, the analog quantity and switch quantity control of the former system is replaced by the digital quantity control, which can improve precision of production and reliability of the system
另外,系統採用基於sci串列通信總線的數字控制,代替原系統中的模擬量和開關量控制,能夠有效提高系統的生產精度,改善系統的可靠性。Through the simulation, we prove that adaptive control can improve the dynamic characteristic of the asymmetrical cylinder velocity system which controlled by symmetrical valve. it also can make the system ’ s dynamic characteristic to be same in different directions, and the system ’ s big over shoot and stabilization time has been reduced, the stability of the system has been
通過模擬分析,證明了自適應控制能夠有效地改善對稱閥控制非對稱缸速度系統的動態性能,使正反兩個方向上的動態特性對稱,保證系統的穩定性,降低了系統的超調量和穩定時間。分享友人