近程定位系統 的英文怎麼說
中文拼音 [jìnchéngdìngwèixìtǒng]
近程定位系統
英文
short-range positioning system- 近 : Ⅰ形容詞1 (空間或時間距離短) near; close 2 (接近) approaching; approximately; close to 3 (親...
- 程 : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
- 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...
- 位 : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 近程 : short range近程彈道導彈 [軍事] short range ballistic missile; 近程導彈 [航空] short range missile...
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
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The visx star star 4 combines the technologies of customvue wavescan aberrometer, activetrak 3 - d active eye tracking, iris registration, variable spot scanning and variable repetition rate to provide customized wavefront treatment. in the past, standard lasik corrects refractive errors, such as myopia, hyperopia and astigmatism which are so - called low order aberrations
威視visx star 4是結合前波前像差分析儀3d眼球主動追蹤系統虹膜定位系統ir iris registration及智慧型超微光斑等技術去提供個人化激光矯視療程。在過去,標準lasik可解決近視遠視及散光等所謂低階像差問題。By compressing a monolayer film, the coexistence of liquid condensed ( lc ) and liquid expanded ( le ) phases can be reached. the transition from le to lc is usually regarded as a first - order one, so the theory of crystallization can be applied. in this article we review our recent studies on the growth of lc domains in the le - lc coexistence region driven by the illumination of a fluorescent microscope. the mechanism of this unusual 2d domain growth phenomenon is discussed. the formation of faceted, dendritic and fractal - like domains as well as the evolution and the transition of these patterns are investigated
當處于氣液界面的類脂類化合物的單分子膜被壓縮時,隨著分子間距的縮小,單分子膜將經歷一系列相變過程.通過熒光顯微術可以觀測到新相的成核和生長過程.由於單分子膜的二維特性,該系統中的實驗觀測對于檢驗和發展二維界面生長理論尤為重要.本文總結了近年來本課題組與相關單位合作,在單分子膜系統中發現的實驗現象以及對其生長機制的系列研究.內容包括對單分子膜系統中的成核、界面穩定性、枝晶生長、形態演變等的觀測和分析Abstract : by compressing a monolayer film, the coexistence of liquid condensed ( lc ) and liquid expanded ( le ) phases can be reached. the transition from le to lc is usually regarded as a first - order one, so the theory of crystallization can be applied. in this article we review our recent studies on the growth of lc domains in the le - lc coexistence region driven by the illumination of a fluorescent microscope. the mechanism of this unusual 2d domain growth phenomenon is discussed. the formation of faceted, dendritic and fractal - like domains as well as the evolution and the transition of these patterns are investigated
文摘:當處于氣液界面的類脂類化合物的單分子膜被壓縮時,隨著分子間距的縮小,單分子膜將經歷一系列相變過程.通過熒光顯微術可以觀測到新相的成核和生長過程.由於單分子膜的二維特性,該系統中的實驗觀測對于檢驗和發展二維界面生長理論尤為重要.本文總結了近年來本課題組與相關單位合作,在單分子膜系統中發現的實驗現象以及對其生長機制的系列研究.內容包括對單分子膜系統中的成核、界面穩定性、枝晶生長、形態演變等的觀測和分析It is requisite to employ the dynamic positioning system with fine performance in the work of maritime development, inshore engineering support, underwater work support, and so on, if the ship needs keeping fixed position or sailing along a desired track in the work
海洋開發、近海工程支持、水下作業支持等項工作如果要求船舶保持作業地點固定不變或按照預定的軌跡航行,就需要有性能良好的動力定位系統。The characteristics of damping shows that the uncompensated parallel ac transmission line can release the coupling between the hvdc and generator and improve the damping of the system, hence the possibility of subsynchronous oscillation decrease. in such a system scheme, the hvdc system dominates the changes of damping due to the small magnitude of the damping provided by ac line. when the ac transmission line is compensated with a fixed series capacitor, the situation will be totally different
其中,並列運行的無串補交流輸電線路可以緩解hvdc與其臨近機組之間的機電耦合程度,改善hvdc的電氣負阻尼特性,從浙江大學博士學位論文摘要而減輕機組發生次同步振蕩的危險性,此時系統的整體電氣阻尼特性由hvdc的性質決定;但若交流線路中存在串聯補償電容,則系統幅值較大的電氣負阻尼不僅可能使整流站機組發生次同步振蕩,逆變站附近機組同樣存在發生次同步振蕩的可能性,此時系統的整體阻尼特性由串聯補償電容的性質決定。We build a close vibration compensation system which can successfully achieve the measurement of interference fringes movement and - vibration compensation. it puts forward pre - setting fill - in pulses method to implement phase shifting with the same pzt. with this new method, the interference fringe can be stabilized at any pre - setting phase position
提出了填充脈沖數預設定的方法,可以將干涉條紋鎖定在任意設定的位相位置,實現了用pzt同時實現振動補償和移相測量;深入分析討論了pzt的延遲問題,創造性地提出了用多次逼近補償的辦法,給出了反饋補償的演算法,解決了補償過程中存在的系統不穩定和過補償的問題。The automation of coal flotation has been wandering for many years in china. the production efficiency is relatively low because of the feed forward control which adds the flotation reagent based on the fine coal in feed slurry, ignoring the quantity and quality of the products. aiming at this problem, method of measuring the flotation technical parameters was studied, the slurry level meter and the slurry ash - measuring device were worked out, and the computer control system of the coal flotation was designed. the feedback control was realized by using the fuzzy logic control control technology to regulate the reagent addition and the slurry level in the flotation tank according to the concentrate ash content detectedby the coal slurry ash - measuring device developed. the industrial experiment indicates that the performance inedxes of the coal slurry ashmeasuring device have come up to the advanced levek of the world. the application of the detection and control system in huaibei coal preparation plant results in a high concentrate recovery, a decrease of the reagent consumption, ensuring a highly efficient operation
浮選自動化在我國多年來徘徊不前,一直採用根據入浮煤漿中的干煤泥量來確定加藥量的前饋控制方法,而不直接以產品的數質量指標作為控制目標,導致浮選生產效率較低.針對上述問題,研究了浮選工藝參數的檢測方法,開發了浮選漿位儀和煤漿測灰儀,設計了浮選計算機控制系統,它根據煤漿測灰儀旁線檢測的精煤灰分,運用模糊控制技術,通過調整浮選藥劑添加量和浮選機漿位,來實現浮選過程的反饋控制.工業性試驗表明,煤漿測灰儀的性能指標接近國外先進水平.煤泥浮選測控系統在淮北選煤廠的現場使用,使浮選生產在精煤灰分合格的前提下,得到了較高的產率,並降低了藥劑用量,從而保證選煤廠高效率地運行Abstract : the automation of coal flotation has been wandering for many years in china. the production efficiency is relatively low because of the feed forward control which adds the flotation reagent based on the fine coal in feed slurry, ignoring the quantity and quality of the products. aiming at this problem, method of measuring the flotation technical parameters was studied, the slurry level meter and the slurry ash - measuring device were worked out, and the computer control system of the coal flotation was designed. the feedback control was realized by using the fuzzy logic control control technology to regulate the reagent addition and the slurry level in the flotation tank according to the concentrate ash content detectedby the coal slurry ash - measuring device developed. the industrial experiment indicates that the performance inedxes of the coal slurry ashmeasuring device have come up to the advanced levek of the world. the application of the detection and control system in huaibei coal preparation plant results in a high concentrate recovery, a decrease of the reagent consumption, ensuring a highly efficient operation
文摘:浮選自動化在我國多年來徘徊不前,一直採用根據入浮煤漿中的干煤泥量來確定加藥量的前饋控制方法,而不直接以產品的數質量指標作為控制目標,導致浮選生產效率較低.針對上述問題,研究了浮選工藝參數的檢測方法,開發了浮選漿位儀和煤漿測灰儀,設計了浮選計算機控制系統,它根據煤漿測灰儀旁線檢測的精煤灰分,運用模糊控制技術,通過調整浮選藥劑添加量和浮選機漿位,來實現浮選過程的反饋控制.工業性試驗表明,煤漿測灰儀的性能指標接近國外先進水平.煤泥浮選測控系統在淮北選煤廠的現場使用,使浮選生產在精煤灰分合格的前提下,得到了較高的產率,並降低了藥劑用量,從而保證選煤廠高效率地運行Firstly, some factors such as the cost of the project, the protection of the enviroment, the revenue of the project and the dialectical relationship between these factors and the plan is discussed. secondly, " the unitary principle " is applied to set up a unitary evaluting system ; " the all - sidedness principle " is applied to have a comprehensive evaluation ; the qualifative analysis method and quantitative analysis are connected to be applied in the work to ensure the accuracy of the research work. 3. by inducing the key factors, quantizing the datas of input and output and the methods of operational research the plans evaluation, a evaluating model is stroke up to test vary plans
2 、建設線路方案技術經濟評價各指標與評價體系的建立運用「統一的原則」 ,即進行本次綜合評價時,必須設定統一的評價指標體系,以客觀反映各不同方案的特點,便於進行比選;運用「全面性的原則」 ,即指標的設定要兼顧各個方案、兼顧結果與過程、兼顧規劃武漢理工人學碩士學位論文控制與近期建設,並要覆蓋城市規劃、交通改善、投資、建設可能性、環境等各個方面;運用「定性與定量相結合的原則」 ,即可以定量表述的內容盡量用定量指標來反映並建立數學模型,但是規劃方案的比選,亦需要定性的分析和判斷,因此指標體系中也納入了定性分析的內容。By analyzing the refraction 、 reflection process of fault transient current traveling wave of high voltage and characteristics of refraction 、 reflection coefficient systematically, a new fault location method of single ended traveling wave is presented. it can not only identify the reflection wave for fault location efficiently, but also not be affected by the structure and length of line. fault earthed resistance 、 fault type 、 system impedance and can locate fault in adjacent areas accurately
論文深入地分析了高壓線路故障暫態電流行波的波折、反射過程以及折、反射系數的特點,提出了新的單端行波故障測距方法,它不僅能夠有效地識別出測距所用的反射波,而且幾乎不受線路結構、長短、故障接地電阻、故障類型、系統阻抗的影響,在近區仍可以準確地進行測距;同時模擬阻波器的特徵,設計了低通數字濾波器,對通過了低通數字濾波器的暫態故障電流行波再次進行小波分析,並利用本文提出的單端行波故障測距方法進行故障定位,結論是所提出的測距方法在實際應用中仍是有效的。Compared with the ordinary optimization algorithm of calibration, this algorithm is simple, less computational and high accuracy. finally, the paper put forward the ranging method based on similar triangle principle. it gives two ranging models according cooperation object vertical in the optical axis or not vertical in the optical axis and does experiment
最後,本文提出了一種基於相似三角形原理的測距方法,根據合作目標與攝像機主光軸垂直與不垂直兩種情況,給出了兩種測距模型,建立實驗系統並進行了實驗,通過近距離段與遠距離段的測距結果與誤差分析驗證了此方法的有效性,能夠準確的確定合作目標的位置,計算簡單,測量精度高,具有重要的理論意義和工程使用價值。Then, after the structure and characteristic of awg is described in brief, we put emphasis on the deduce of the dispersion equation of ufbgs in the vicinity of its reflection band gap ( rbg ) in light of coupling theory. in terms of this equation, the dispersion compensation of the optical signal in every channel in the wdm system, which has eight channels, is calculated and analyzed theoretically. during the course, some important parameters of ufbgs in the compensator are computed
在簡要敘述了陣列波導光柵的結構及其特性后,著重從光纖光柵耦合波理論導出了均勻光纖光柵在反射帶隙( rbg )外附近的色散特性方程,並根據這一特性方程,對8通路的wdm系統中各分亡巴八碩士學位論文tinv坯1 : e 』 sthe狠波光信號的色散補償進行了數值計算與分析,由此確定補償器中各均勻光纖光柵的相關參數。The results extend those of autonomous systems to case for no autonomous systems. 4. the stability and the existence of periodic solutions for ecological systems of reaction - diffusion type are discussed by using of smoller invariant domains principle liapunov functional method comparison principle and fixed point theorem
四、研究了用偏微分? ?積分方程描述的生態系統平衡位置的穩定性、漸近穩定性及周期解的存在性、穩定性,採用smoller不變區域原理、比較原理,不動點原理及liapunov泛函方法。分享友人