準穩定運動 的英文怎麼說
中文拼音 [zhǔnwěndìngyùndòng]
準穩定運動
英文
quasi-stationary motion- 準 : Ⅰ名詞1 (標準) standard; guideline; criterion; norm 2 (目標) aim; target Ⅱ動詞1 (依據; 依照)...
- 穩 : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 運 : Ⅰ動詞1 (物體位置不斷變化) move; revolve 2 (搬運; 運輸) carry; transport 3 (運用) use; wield...
- 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
- 運動 : 運動[舊時用語] arrange things or get things done through pull
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The procedure functions in the compare between partial image of dynamic collection and corresponding image of the airscape. in chapter 5, basing on the analysis of correlative theory of digital image, we introduce the improved fasted - down algorithm and simulative anneal algorithm, which applies to nn calculation, an d bring forward the unique and effective means, correlative original value evaluation. basing on the combination of correlative arithmetic, a stable, high - speed and exact correlative arithmetic is formed, which makes it possible to apply computer vision detection of single - needle quilting in industrial production
本文展開研究並取得一定成效:構建了基於pci總線的微機實時圖像採集系統;在採集的布料總圖(鳥瞰圖)的基礎上,通過數字圖像的數字濾波、圖像增強、邊緣檢測等處理,提取布料圖像的邊緣,對輪廓的矢量化的象素點進行搜索,得到相應的圖案矢量圖,從而確定絎縫的加工軌跡,生成加工指令;在進給加工過程中,主計算機對動態局部圖像與總圖(鳥瞰圖)的對應部分進行圖像相關的匹配計算,應用數字圖像理論,結合神經網路計算的改進最速下降法和模擬退火演算法,提出獨特而有效的相關迭代初始值賦值方法,形成穩定、高速和準確的相關運算,實現單針絎縫視覺測量和自動控制。So, in this paper, its main researches are to make use of both disequilibrium economics theory and chaotic economics theory to study the market price models ; according to the economic movement, to improve the traditional cobweb models and set up nonlinear and disequilibrium cobweb models, which are more accurate, scientific, and able to describe practical economy ; then to analyze commodity price fluctuation and stability on the established models with the change of the parameters ; finally to draw some conclusions
據此,本文將非均衡理論及非線性混沌理論同時應用於市場價格模型中進行研究,對傳統的蛛網模型加以改進,從現實經濟系統運作的實際情況出發,建立更加準確、科學,更能反映經濟現實的非線性非均衡蛛網模型,並對所建立的模型進行動態分析,研究了各種參數條件下價格波動的穩定性問題,從而得到若干結論。At the part of empirical study, this paper chooses 124 a - stock listed companies from stock exchange of shanghai and shenzhen as research samples, makes use of the step method to filter the 13 possible variables ( including 3 debt - paying ability indexes, 3 operating ability indexes, 4 profitability indexes and 3 cash flow indexes ) in analysis and finally sets up discrimimant models by fisher discrimimant rules with the samples " financial data. then this paper validates the stability of these models using the self - validation and cross - validation before analyzing the prediction ability of these models with outside - validation
實證研究部分主要以我國深、滬兩市124家上市公司為研究樣本,採用上市公司1998年至2001年的實際財務數據,運用逐步判別分析方法對擬進入模型的13個變量(包括3個償債能力指標、 3個經營能力指標、 4個獲利能力指標及3個現金流量指標)進行篩選,並根據fisher判別準則建立判別模型,在運用自身驗證法與互動式驗證法對模型的穩定性加以驗證后,運用外部數據驗證法對模型的預測能力進行了分析。The information extending method and curve fitting method, which deals with data in the complementary system of wams and scada, are discussed. secondly, traditional transient stability analysis method starts at the static
傳統暫態穩定分析方法是從故障前穩定平衡點開始的,然而實際系統總是處在或大或小的擾動之中,因此,這種分析方法不能準確地表現系統真實的運行情況。This paper, in the light of the special geological environment and actual project situation of the three gorges reservoir area, puts forward a comprehensive analysis and evaluation system suitable for the stability analysis of the bank landslide of the three gorges reservoir area under the premise of thorough consideration of the water influence on the stability of the bank landslide, and obtains the following achievements in several aspects that have the practical application significance and certain scientific research value : ( 1 ) it is discovered that the water activity is the primary factor of the formation of the new landslide and the revival of the ancient landslide. on the one hand, the rising underwater level reduces the actual stress of landslide ; on the other hand, the long time soaking of the underwater reduces the mechanics intensity of the landslide and the slide belt, both of which reduce directly the landslide stability ; ( 2 ) in view of the special condition of the three gorges reservoir area, this paper analyzes systematically the forces acted on the landslide of the three gorges reservoir area and the force varieties acted on the divided landslide when the water level changes between 175 meters and 145 meters. thus it is more scientific and comprehensive for the analysis of the forces acted on the landslide ; ( 3 ) this paper summaries systematically 10 kinds of typical computation projects by organic combinations of different kinds of situations in the dry season ( nature statue ), rainy season ( rainstorm or rains for a long time condition ), with 175m water level in the reservoir, during the earthquake, with the water level of the reservoir adjusted from 175m to 145m and so on, and produces
本文針對長江三峽庫區特殊的地質環境與工程實際情況,在充分考慮水對庫岸滑體穩定性影響的前提下,提出了一個適用於長江三峽庫岸滑坡體穩定性分析的綜合分析評價體系,並取得了如下幾個方面具有工程實際意義和一定科學研究價值的研究成果: ( 1 )研究結果發現,水的活動是新滑坡形成或古滑坡復活的主要因素,一方面是由於地下水位升高降低了滑坡體的有效應力,另一方面是由於地下水的長期浸泡降低滑體及滑帶的力學強度,這兩方面的因素均將直接降低滑坡的穩定性; ( 2 )針對三峽庫區的特殊條件,系統分析了作用於三峽庫區滑坡體上的力系和庫水位在175m與145m間變化時滑體條塊的受力變化,從而使對作用於滑坡體上的力系分析更科學、更全面; ( 3 )通過對滑體處于旱季(天然狀態) 、雨季(暴雨或長期降雨狀態) 、 175m庫水位、地震以及庫水位由175m調節下降至145m等各種不同情況的有機組合,本文系統地歸納總結出了10種典型計算工況,並具體給出了相應的作用荷載的計算方法,使在庫區岸坡滑體穩定性分析評價時對計算工況選擇及其作用荷載的計算更具規范性; ( 4 )具體運用c + + builder開發了關于滑坡體穩定性綜合分析評價系統,使對滑坡體穩定性分析計算更方便、更準確; ( 5 )將上述滑坡體穩定性綜合分析評價系統應用於重慶市豐都縣名山滑坡穩定性分析的具體事例中,分析結果表明,本文所提出滑坡體穩定性綜合分析評價方法對三峽庫區的滑坡穩定性分析是實用可行的。Then the periodic properties of geocenter motion in the x, y, z components are summarized. considering the statistical precision of the gps observations, the geometrical distribution of gps stations and their physical stablility, a new method to determine the parameters of geocenter motion is studied and analyzed. in order to have a better understanding of its effect on the height datum origin, the rule of geocenter motion in the horizontal and vertical components are also analyzed and some useful conclusions are drawn
提出了將譜分析與抗差估計相結合的抗差譜分析方法,並用該方法分析了地心運動時間序列的主要周期特性;為合理地確定地心運動參數,詳細研究與分析了一種新的定權方法對求解地心運動參數的作用,該方法充分利用了gps觀測量的統計精度、點位的幾何分佈以及物理穩定性;為了明確地心運動導致的高程基準的變化,分析了地心運動對地面點的水平分量和垂直分量的影響規律。For the characteristic of low frequency movement of the target and high frequency system line - of - sight jitter, basic theory of compound axes line - of - sight stabilization system with line - of - sight pointing reference unit ( lospru ) is analyzed
依據目標低頻運動和儀器視軸高頻抖動的特點,分析了使用視軸瞄準參考器的復合軸視軸穩定系統的基本原理。Experimental and simulation researches are implemented on basic concepts, key unit technologies of line - of - sight stabilization of acquisition, tracking and pointing ( atp ) system on moving bed. system simulation gives the complete system performance estimations
針對運動平臺捕獲、跟蹤與瞄準系統視軸穩定技術的基本概念、關鍵單元技術進行了實驗和模擬兩方面的工作,以模擬的形式對系統的最終性能給出了預估。In chapter 2, the mechanics of distortion of movements for the vibrator, which affect the precision of calibration, are explored in detailed. and the effects of measuring system and automatic control are also researched profoundly
深入研究了振動臺運動波形失真的機理及對校準精度的影響,同時研究了測量系統、系統穩定性和自動控制技術對校準精度的影響。The test results indicated that test rolling table can simulate ship rolling motions on the wave and passive u - tube tank designed achieves stabilization effects to a certain extent
試驗搖擺臺的成功研製,將為裝備減搖水艙的實船進行準確且可靠的橫搖運動預報提供一個穩定的試驗平臺。All these prevent the electrons and holes from continuing their steady motion as quasi-free particles, and introduce scattering.
所有這些影響都會妨礙電子和空穴去繼續它們作為準自由粒子的穩定運動,而引起散射。In this dissertation, we studied the tcra1101plus total station position system, which introduced the principle and characters of the instrument ' s closed loop tracking system. also we explained the cause of prism ' s position error and brought forward mathematic model to correct, moreover, the good results has been drawn form the expenriments. the kinetic survey system have been realized, which the sampling rate attain more than 5hz and the position precision can be less than 2mm on condition that targeted - point moving slowly at the velocity below 2cm / s. having finished the survey system to examine whether the fine - tuning stewart platform in good status, we have finished mensurating the position reference of the fine - tuning stewart platform and the offset of the prism
在此基礎上研製了多臺儀器在線控制高頻采樣動態跟蹤測量系統,采樣率大於5hz ,在跟蹤小於2cm / s低速運動目標時,測量精度好於2mm ;完成對饋源二次精調系統的檢測,包括對二次精調平臺位置基準的標定和觀測棱鏡偏心差的測定;設計不同動態測量實驗,對全站儀動態跟蹤的誤差來源和特點進行了分析;從實驗角度,對全站儀的測量時滯及其穩定性進行了測試分析,給出了定量的結果;比較了全站儀和計算機的內部時間系統,發現兩者存在較大差異。Roll helix driver is adopted to rise and decline the furnace bottom, so the furnace bottom run smoothly and choose position accurately
爐底升降採用滾動螺旋傳動機構,運行平穩,定位準確。With the merits of technical simplicity, better adaptability to materials, less start time and operational stability, this gasification technology can produce mcv ( > 2500kcal / nm3 ) biomass fuel gas with low tar content ( < 50mg / m3 ), which entirely meets the standard of agricultural ministry ny / t443 - 2001 ? technical specification and acceptance of standard for straw gasification system of central gas supply
其技術簡單、原料適應性好、啟動速度快、運行穩定,產出的生物質煤氣熱值2500kcal nm ~ 3 ,焦油含量50mg m ~ 3 ,均達到農業部標準ny t443 - 2001 《秸稈氣化供氣系統技術條件及驗收規范》的要求。This paper is a study on test scheme of performance indexes in an o - e stabilized system that can support several sensors. the system is driven by a muti - loop controlling unit which supplies signals to track / piont target and to stabilize the line - of - sight ( los ), while moving, with high accuracy
本文是關于包含多環控制的多傳感器光電穩定系統性能指標測試方法的研究。該系統能夠在運動狀態下提供高精度的控制信號進行對目標的跟蹤和瞄準線的穩定。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。By means of trigonometrical progression method and the mainline track spectrum, the sample function of the chinese mainline railway track random geometric irregularity is simulated. with the data obtained from track geometry inspection car on qinhuangdao - shenyang special line for passenger transport and arma time series model, the sample function of high - speed railway track random geometric irregularity are simulated. based on existing literature, the artificial bogie crawl waves at various different speeds are randomly simulated
根據我國干線鐵路軌道譜,採用三角級數法模擬出干線鐵路和準高速鐵路軌道不平順的樣本函數;根據秦沈客運專線高速試驗段軌檢車資料,採用arma時間序列模型模擬了高速鐵路軌道不平順隨機樣本函數;在既有研究資料的基礎上模擬出各種速度客車構架人工蛇行波;用隨機變量描述道床橫向剛度,並進行了隨機模擬;將振動理論和穩定理論結合建立系統的分析模型和運動方程;根據monte ? carlo法編制了車輛?軌道耦合系統隨機振動分析程序,進行了無縫線路隨機動力響應分析,通過試驗對計算模型、計算方法進行了驗證。First, it delves into the key technique of eis ? image registration, and presents an effective registration algorithm which is from coarse toprecise and form local to global. second, it applies recursive kalman filtering technique inmotion filtering of registration parameters and makes motion compensation for practical image. finally, it takes advantage of mosaicking to reconstruct undefined regions to avoid theubiquitous information missing and image degradation. this algorithm has high precision as wellas high speed
首先,對電子穩像中關鍵環節? ?圖像配準技術進行了深入研究,給出一種由粗到精、由局部到全局的高效配準演算法;接著,採用了遞歸kalman濾波技術對配準參數進行運動濾波並對實際圖像進行運動補償;最後,利用了圖像拼接技術進行「無定義區」重建,避免了普遍存在的信息丟失和圖像降質問題。But in fact, it is difficult for a rotor to steadily and nicely rote at a certain speed. people have been expecting to identify the unbalance quickly and exactly with the information obtained from the rotors operating at unstable speed
而實際當中,轉子很難準確穩定在一個轉速下運行,人們一直希望能通過轉子在非穩定轉速運轉狀態下獲得的振動信息,快捷的確定轉子的不平衡量,即瞬態平衡,但目前尚未有成熟可行的辦法。One mechanical company has a batch of experienced professional technology personnel east, the mechanical facility that can have for you or the mechanical equipment that you prepare to develop undertake design and offerring fittings, in order to satisfy your mechanical equipment all sorts of use operating mode actually ; east no matter the fittings of one is in the test that service life, characteristic, specific power consumption, material can undergo all sorts of operating mode on qualitative, structure, make your mechanical equipment can longer periodic stability runs, remove the trouble back at home with your mechanical equipment fragile fittings ; move one company to think user place thinks, urgent user place is urgent ; the equipment spot that is you is offerred seek advice, maintenance, maintain wait for concerned after service
東一機械公司擁有一批經驗豐富的專業技術人員,可以為您現有的機械設備或您準備開發的機械備進行設計和提供配件,以滿足您的機械設備各種實際使用工況;東一的配件無論在使用壽命、特性、能耗、材質、結構上都能經受各種工況的考驗,使您的機械設備能較長周期穩定運轉,解除您的機械設備配件易損的后顧之憂;動一公司想用戶所想、急用戶所急;並為您的設備現場提供咨詢、維修、保養等有關的售後服務。分享友人