流量觀測 的英文怎麼說
中文拼音 [liúliángguāncè]
流量觀測
英文
discharge measurement- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 觀 : 觀名詞1. (道教的廟宇) taoist temple2. (姓氏) a surname
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 流量 : rate of flow; flow; runoff; discharge; throughput; (flow) rate; quantity (of flow); flux
- 觀測 : observe; observation; viewing
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When measuring the magneto performance parameter , we find that the instrument which use to measure voltage and current is still the simple voltmeter and amperemeter in the national standard , and the form of wave that we observed is anomaly. based on the measure principles, it obviously ca n ' t be used to do quantitative analysis ; because the discharge process of ignition system is quite complex, accompanies with very strong electromagnetism interference, and the ignition current and voltage are variable , it make the measure of ignition energy become a difficult thing of ignition system performance detection
在磁電機常規測量時,發現在國家標準中用於測量電壓、電流的儀器仍然是普通的電壓、電流表,而觀測到的波形多為不規則的形狀,根據測量原理,顯然不能用其來做定量的分析;由於點火系統的放電過程比較復雜,伴隨著很強的電磁干擾,點火電流、點火電壓都是變量,使得點火能量的測量成為點火系統性能測試的一個難點。To utilize hydraulic soil evaporimeter and supporting meteorology, radiation, the materials on the surface water evaporation, considering the influence of each factor of " soil - plant - atmosphere " system on soil evaporation, we set up calculating model of the soil evaporation which is suitable for the heilonggang region
利用水力式土壤蒸發器及其配套的氣象、輻射、水面蒸發儀器觀測資料,綜合考慮「土壤植物大氣」系統中的各個因素對土壤蒸散的影響,建立了適于黑龍港流域的土壤蒸散量計算模型。With the deveiopment of hydraulic technology, hydraulic system and hydraulicequipment are more complicated, hydraulic technology is more widely and morecomp1icatedly used in agricultural machine and their malfunction is more difficu1t to bedetected. fault diagnosis of hydraulic system is not as apt to be observed as that of themechanical equipmeflt or is not as easy to be detected as that of electric equipmeflt bymu1tipurpose meter or other meters. flux meter gage and pressure gage ca n ' t meet the needof fault diagnosis for hydraulic system because its working medium and workingcomponents are hiding inside the sealed vessel
隨著液壓技術的發展,液壓系統及液壓設備越來越復雜,液壓技術在農機上的應用也變得廣泛而復雜,農機液壓系統的故障診斷也越來越困難,液壓系統的故障診斷不象機械設備那樣直觀,也不象電氣設備那樣通過萬用表等儀器測得,液壓系統的工作介質和工作部件都在密閉的容腔內,流量計、壓力表等測量儀器遠遠不能滿足故障診斷的需求。The ncep / ncar global reanalysis data about 55 yean ; ( 1948 - 2002 ), the observed data about 2 years ( 1999 - 2000 ), the meiyu data in the mid - lower reaches of the yangtze river and the precipitation data at 160 stations in china duing 1951 to 2000 are used in the paper. we present a preliminary study on the relationship between the precipitation total for meiyu and the summerly precipitation in the eastern side of the northwest china. then using nonhydrostatic version mm5 with one nested grid, the effect of the circulation patterns for meiyu on the summerly precipitation in the eastern side of the northwest china was simulated by numerical simulation of full physics
本文採用1948 2002年ncep再分析資料、 1999 2000年的全球地面、高空觀測資料、 1951 2000年梅雨以及全國降水量資料,初步研究了長江中、下游地區梅雨事件與西北地區東部夏季降水的聯系,並用mm5中尺度非靜力模式模擬了多(少)梅雨環流型對西北東部夏季降水的影響;另外,還分析了梅雨與四川盆地、東南沿海地區夏季降水的聯系。We investigate finer time scale statistical properties of this traffic, including burstiness, periodicity, and synchronization. utilizing the data gathered by our simulator, we compared the results with our prediction, after that, we investigated the root cause of a specific networking traffic pattern, under various network configuration and policies. the importance of our work is not only analyzing the cause of each traffic pattern, but also providing a beneficial formal method for future research
在實驗結果的分析過程中,我們根據當前流行的網路拓撲建立了模擬路由試驗環境,特別針對lsa的突發性、周期性和同步流量的時域特徵進行了觀察,不僅探究了三種重要lsa流量的發生機理以及這些流量的變化對整體路由效率的影響,比對了我們的預測與最終的實驗結果,深入研究了統計圖表裡各種異常情況的成因和路由協議採用不同演算法和策略以後對整體路由環境的影響。The third section of the essay, analyzes the distributing law of passenger flow of public traffic, brings forward a new prediction method which could keep accordance to the practical distributing law of passenger flow by and large, furthermore, could meet the demand of optimizing bus dispatch system. this method based on intelligent technology breaks through the traditional way
第三部分研究了城市公共交通線路日客流量分佈規律,提出了一種可操作性的、能在總體均值上符合線路客流客觀變化規律、可滿足以城市公共交通線路調度為目的和以此為精度要求的城市公共交通線路每日客流量預測方法。To improve understanding of the processes of heterogeneous land surface - atmosphere interaction, the utilization of satelli te remote sensing is indispensadle. in this paper, with the aid of satellite remote sensing and fiend observational data which observed during intensive observation of huaihe river bain energy and water cycle experiment hubex in 1998, the surface albedo, ndvi normalized difference vegetaton index and surface temperature in regional scale of hubex could be derived. then, the distribution of regional energy balance components could be estimated. this wor provided the physical foundation for the numerical simulation of the huaihe river basin energy and water pro cesses, and is important for us to further analyze the regional distribution of surface characteristic parameters ad energy balance components with the change of the weather situation in hubex in 1998. our work is still in a developing stage, some methods of retrieval in the paper should be improved further
利用1998年淮河流域加密觀測試驗hubex iop期間的資料,進行淮河流域能量平衡的參數化方案的研究,用noaa衛星的avhrr資料建立了試驗區地表特徵參數及能量平衡各分量的參數化方程,並對衛星遙感反演結果和試驗觀測值進行了對比,為淮河流域能量和水循環的數值模擬提供了物理依據。Promax tension ind corp has long sold and manufactured a variety of custo mized air shafts / air chucks / safety chucks, edge position control systems / epc, powder / air / disk brakes and clutches, ac / dc motor control systems, re - winding / un - winding systems, tension control systems, web inspection systems, automatic color register systems, servo - vector control systems, mmi interface and supervisory control and data acquisition ( scada ) systems and others such as slitting, winding, laminating, extruding, coating, and gravure printing machines, even other auxiliary devices etc. for webs such as paper, films, rubber, textiles and foils
本公司長久以來已經從事製造及銷售有關紙類,薄膜,膠片,紡織品,橡膠等薄片卷材的捲筒物控制糸統周邊設備,諸如氣漲軸,氣漲/安全夾頭,邊緣追蹤器裝置,磁粉/氣壓/碟式煞車器及離合器,交直流轉矩馬達控制系統,收放料車動系統,張力控制裝置,印刷機靜態觀測器,自動套色控制裝置,伺服向量控制系統,人機介面及監控系統及其他有關印刷,貼合,分條,復? ,塗布,上膠,押出,淋膜等產業機械However, even with the most optimistic prediction and the best observing environment, there will only be around few hundred of meteor, hardly comparable with 2001 leonids. according to some other astronomers, draconids may be just as sparse as in ordinary years
但即使最樂觀的估計及最佳的觀測環境下,每小時流星數量亦只有數百顆,與2001年獅子座流星雨仍有很大距離,亦有天文學家認為今年的天座流星只是寥寥可數。To this area precipitation materials for many years, evaporate materials, surface flow materials, hydrometeorological materials, hydrogeological materials carry on exhaustive analysis, have analysed the state of water resource of the sand district, proceed from the heat of the earth ' s surface is balanced, water yield balanced basic theories, combine the amount of regional water resource set up of the materials, such as scene, hydrology, soil of the sand district, etc. and estimate models, have calculated the surface water, groundwater of this area, has carried on models to examine according to the real data, and has predicted to the state of water resource under different climate change scenes of future that analyse. have put forward the scheme that the water resource in this area utilized rationally, use the non - linear motive force model to predict the precipitation, utilize the materials of actual observation, the natural supply amount of calculating out groundwater of sand ground of balanced principle of the amount of water used at the same time, and can exploiting amount predict to groundwater, district of sand,
本文以寧夏半乾旱地區鹽池縣沙地水資源為研究對象,對該地區多年降水資料、蒸發資料、徑流資料、水文氣象資料、水文地質資料進行了詳盡的分析,分析了沙區的水資源狀況,從地表熱量平衡、水量平衡的基本理論出發,結合沙區的氣象、水文、土壤等資料建立了區域水資源量估算模型,計算了該地區的地表水、地下水,根據實際資料進行了模型檢驗,並對未來不同氣候變化情景下的水資源狀況進行了預測分析,提出了該地區水資源合理利用的方案,運用非線性動力模型對降水量進行預測,同時利用實際觀測資料,運用水量平衡原理計算出沙地地下水的天然補給量,並對沙區地下水可開采量進行預測。Put down the name of the observer, the place and time of observation, duration of observation, cloud cover, the sky s limiting magnitude the magnitude of the faintest star you can see with the naked eye and the number of meteors observed on the data sheet
流星雨的觀測資料,只要清楚註明觀測者姓名觀測地點觀測時間觀測長度雲量最暗可見星等及流星數目,便已經是一份十分有科學價值的觀測記錄了,很簡單,對嗎?Abstract : digital basinis made from digital elevation model considering spatial variability within a catchment. on the basis of digital basin, the digital approach to describing hydrological processes within a catchment is investigated. digital hydrological model is regarded as a modern physically - based modeling technique that includes a large amount of information. the case study on the shiguanhe catchment in the huaihe river basin, intensified observation field of gewex asian monsoon experiment project, has shown that the digital mode lperforms very well not only in simulating runoff processes at any specific site, but also in simulating spatial distribution and temporal variation of hydrological elements and state variable ( especially soil moisture ), if compared with traditional hydrological models. that provides solid foundation for full use of now available observation in formation and in - depth mining of hydrological data
文摘:考慮流域下墊面空間變異性,基於數字高程模型構建了數字流域,並在此基礎上對描述流域水文物理過程的數字方法進行了探討.文章認為,數字水文模型是一種有物理基礎的包含大容量信息的現代模擬技術.史灌河流域實例研究表明,數字水文模型可以十分方便地輸出水文要素和狀態變量的空間分佈與時間序列,這對充分利用現有觀測信息進行水文信息的深層挖掘創造了條件The equation for estimating land surface temperature of huaihe river basin has been set up by using the data of split window channels of trmm and gms - 5 satellite and the ground observation data of hubex
利用trmm衛星和gms - 5衛星的兩個紅外分裂窗通道的亮溫資料,結合淮河流域能量與水分試驗hubex加密觀測期間獲得的地面溫度的觀測資料,建立了反演淮河流域地面溫度的參數化方程。Gully erosion, which is universal on original lands, but also the special forms, for example, hole erosion gravel erosion debris slide and debris flow, which is unusual in loess area, ( 2 ) based on a long - term fixed point experiments in proving ground of the south stackpile, the soil erosion factors have been researched quantitatively, the runoff and erosion affected factors have been made sure and the experiential models of producing water and soil have been taken in newly - constructed stage, early stage and later stage of reclamation
確定南排土場原地貌的水蝕模數為3700 4400t km ~ 2 ? a ;在排土場新造地貌上,擊濺、面蝕、細溝侵蝕、淺溝侵蝕、沉陷侵蝕、砂礫化面蝕、土砂瀉溜和坡面泥石流等水土流失形式出現頻率和發生程度都明顯強于原地貌。 ( 2 )以南排土場徑流試驗場長期的定位觀測為基礎,對排土場未復墾時期、復墾初期、復墾後期的土壤水蝕影響因子進行定量研究,確定了徑流和土壤水蝕的主要影響因子及其臨界值,建立了產流產沙的經驗模型。Fifth, a monitoring center for guarantee of apec communications was set up to undertake round - the - clock real - time supervision, which included supervision of traffic flowing in exchanges that were installed in all meeting venues and key hotels ; supervision on tv signals ; supervision on the running of 82001 equipment ; supervision on the traffic of the shanghai internet node ; supervision on the traffic of the apec mirror site on shanghai hotline ; supervision on the status of the cdpd equipment ; supervision on the status of the adsl equipment and supervision on the status of the atm equipment
第五,建立apec通信保障監控中心,實施2 4小時實時監控。包括對各場館、重要賓館交換設備的話務監測;電視信號監測; 82001設備運行情況監測;網際網路上海節點的流量監測;上海熱線apec鏡像網站的流量監測; cdpd設備運行情況監測; adsl設備運行情況監測; atm設備運行情況監測,形成了一個縱觀全局的指揮平臺。The research of system makes the observational information of tongbo dam realize standardization manage, tidy up and analyze the information quickly and exact, give the environmental physics number and diagnostic numer of displacement, stress and seepage, build the mathematical model of each observational information, evaluate the working modality of the dam, thereby ensure safe working of the dam
系統的研製使桐柏抽水蓄能電站的觀測資料實現規范化管理,快速、準確地整理、分析觀測數據,給出環境物理量及位移、應力和滲流等觀測效應量的特徵值,建立各觀測效應量的數學模型,分析評估大壩的工作形態,從而保證大壩的安全運行。Specification for sight - flow indicators for tank overflow systems
儲槽溢流裝置用流量觀測指示器規范Qualitative and quantitative measurements of disturbances in channel suspensions are carried out using dye emission and piv techniques
然後採用染色線流動顯示技術與粒子圖像測速技術對槽流懸浮流的擾動波特性進行定性和定量觀測。Firstly, this paper introduces the asynchronous motor model, and compares it with the dc motor ’ s. then the paper studies the principle of vector control, and proposes an improved current model of rotor flux observer. this paper also studies the three - level inverter ’ s topology, working principle, the neutral - potential unbalance mechanism and its controlling strategy. the paper especially studies the svpwm in details. the interface between the vector control and the three - level inverter is studied in details, including the generation of reference voltage vector, its judging of the sector and triangular regions, and the working mechanism after it sent into three - level inverter. when synthesizing the reference voltage vector, select the vector which only includes p and o states as the starting vector, thus eliminate the vector shift problem when sector changes. this paper fully takes advantages of the powerful functions of matlab / simulink to set up the simulation model. this construction is very explicit. the simulation results verify the inverter voltage output is correct, the rotor flux is steady, the asynchronous motor ’ s dynamic and steady state performances and speed modulation are excellent
本文首先介紹了異步電機的數學模型,在此基礎上將異步電機的數學模型與直流電機的數學模型進行了比較;然後介紹了矢量控制的基本原理,採用了一種改進的轉子磁鏈電流型觀測模型;對三電平逆變器的電路拓撲、工作原理、中點電位不平衡的機理及控制方法進行了介紹,詳細分析了空間矢量脈寬調制策略。本文對異步電機的矢量控制與三電平逆變器之間的介面進行了詳細的研究,包括:參考電壓矢量的形成、所落扇區與具體小三角形區域的判斷、送入逆變器之後的工作機理。在參考電壓矢量的合成時,選擇只包含p 、 o狀態的空間電壓矢量作為起始矢量,解決了扇區切換時的矢量突變問題。A new method to build the semi - quantitative system relating matrix was advanced, it was constructed via the dynamic envelopes, which were built by gm ( 1, 1 ) based on the qualitative binning of observing data current of part variables, and its elements were calculated by the ratio of variable states ' corresponding areas in the dynamic envelopes
為了實現這一目標,一種新的系統半定量關聯矩陣的構建方法被提出,它以系統部分變量觀測數據流的定性劃分為基礎,應用灰色gm ( 1 , 1 )模型建立其系統動態包絡,並以動態包絡中變量各種狀態的對應面積之比作為它們的關聯系數。分享友人