low-speed characteristics 中文意思是什麼

low-speed characteristics 解釋
低速飛行特性
  • low : adj 1 低的；淺的，矮的。 low flight 低飛。 a low temperature 低溫。 low tide [water] 低潮。 The g...
  • speed : n 1 快，迅速。2 速率，速度。3 （汽車的）變速器，排擋。4 （膠片，照相紙）感光速度。5 〈古語〉興隆...
  • characteristics : 產品性能描述
  1. And it can be divided into four phases of urban tourism of china, in which there are different characteristics. ( 2 ) the evolutive rules of urban tourism of china are as follows : 1 ) the exoteric extent of tourism notion is more and more swell ; 2 ) the form of urban tourism renovate with the development of cities ; 3 ) the layout of urban tourism inner and outer is from close and complanate to exoteric and tridimensional ; 4 ) the sustaining system of urban tourism is from absent to as clear as a bell, and will reach a rational and advanced extent. 5 ) the social delamination of urban tourism is form stern to syncretic ; 6 ) the evolvement tendency of urban tourism should be generalized as a curve of accumbent " s ", which present a course makes up of low - grade development, high - speed development and balanced development

    主要觀點歸納如下： （ 1 ）城市旅遊是基於城市的發展而發展的，中國城市旅遊可分為古代、近代、現代和后現代四個階段，分別對應於前工業文明時期的城市旅遊、工業文明萌芽時期的城市旅遊、全面建設工業文明和后工業文明因素初露端倪時期的城市旅遊，以及邁向信息時代的城市旅遊，其間體現出不同的城市旅遊發展特徵； （ 2 ）經歷不同發展的時期，中國城市旅遊表現出如下的演進規律： 1 ）城市旅遊觀念開放程度逐漸增強，對城市旅遊的容納度日趨加大，對城市旅遊地位的認識從忽視到關注再成為生活的必要因素； 2 ）旅遊形式從單一走向多元，新的旅遊形式隨城市發展層出不窮； 3 ）城市旅遊的內外部空間聯系從封閉平面走向開放立體，達到網路化、連綿化、分區化、立體化布局； 4 ）城市旅遊支持系統從缺失走向健全，達到理性高端； 5 ）城市旅遊社會分層從森嚴走向融合，經歷了「小眾旅遊」 、 「大眾旅遊」 ，最終發展到「全民旅遊」 ； 6 ）城市旅遊產業演變態勢可以概括為一條橫臥的「 s 」曲線，表現為低開?高走?平穩發展。
  2. Intermittent transmission decollators are a new kind of hi - speed precise decollating organization, which can perform intermittent decollations, with characteristics like hi - precise decollation, smooth operation, wide transmission torque, position auto - locking, compact laid - out, small in size, low noise, and good durability

    高速精密分割機構是實現間歇分度運轉新型機構，具有分度精度高、運轉平穩、傳遞扭距大、定們時自鎖、結構緊湊、體積小、噪音低、壽命長等優點。
  3. The main characteristics and advantages are : on one hand, we adopted the low - complexity bussgang algorithm, and did blind estimation to ofdm sub - channel according to the mean square error criterion ( mse ) and peak distortion criterion ; on the other hand, we used the differential detection, which accelerates the convergence speed and avoid the error transmission problem resulted from the bussgang algorithm

    這兩種演算法一方面採用了低復雜度的bussgang自適應演算法，分別依據均方誤差準則和峰值失真準則對ofdm系統子通道進行盲估計；另一方面通過引入差分檢測技術，加快了演算法收斂速度，克服了bussgang演算法帶來的誤差傳播問題。
  4. Comparing to a - si tft, p - si tft has the merits such as high field effect mobility, high integration and high speed, high definition display, n channel and p channel capability, low power consumption and self - aligned structures. with these good characteristics, p - si tft lcd could provide brighter and stable image

    相對于a - sitft ， poly - sitft有其明顯的優勢:高遷移率、高速高集成化、 p型和n型導電模式、自對準結構以及耗電省、解析度高等優點，能夠提供更亮、更精細的畫面。
  5. Force measurement in a low speed wind tunnel was conducted to investigate the effects of the height of a distant canard wing on the longitudinal aerodynamic characteristics of a forward - swept configuration

    摘要基於前掠翼鴨式前翼布局的風洞測力實驗，分析了距離主機翼較遠的鴨翼相對于主機翼的高度對布局縱向氣動性能的影響。
  6. Aero - optical characteristics measurement of vortex in a low speed heated air flow

    低速熱射流渦及其氣動光學特性的測量
  7. The key items include the car sinking, constant speed characteristics, inspection function, auto relevelling function and level accuracy, etc. the research contents focus on the following three parts : firstly, research on effects of system parameters on car sinking has been completed. secondly, the constant speed performance with the compensation of internal leakage of pump / motor is improved. lastly, research on improvement of the car level accuracy and contrast to that of traction elevators is presented, and the reasons of low car level accuracy of hydraulic elevators are discussed

    重點研究了三方面內容：一是研究了停層沉降特性及影響電梯轎廂停層沉降特性的各種因素；其次是通過負載壓力補償液壓泵馬達內泄漏來改善電梯轎廂速度穩定性；最後是液壓電梯平層精度的理論和實驗研究，並與曳引電梯的理論模型進行了對比，闡述了液壓電梯平層精度低的原因，理論探討了影響液壓電梯平層精度的主要因素。
  8. In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data

    為探討軸流壓氣機在工作流量、工作轉速及動?靜葉排軸向間距變化時的葉片排流場非定常頻譜特性變化規律，並耦合進氣畸變的影響，同時與壓氣機氣動性能和氣動穩定性相關聯，作者利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機（ lsc ）試驗器，採取在靜子葉片表面埋入動態壓力傳感器的實驗方法，對葉尖、葉中和葉根三個截面的動態壓力進行了測量，獲得了大量的可靠的實驗數據。
  9. The turbulent characteristics of high - velocity sediment - laden and aerated flow are more other than the clear water flow of single - phase and current of low speed. in a special circulating system with high velocity flow, some flow parameters such as boundary shear stress and pulsation pressure are measured. an investigation is made on the turbulent characteristics of the three - phase flow of water, air and sand

    本文針對高速含沙摻氣水流的運動規律有別于低速水流及清水單相流，在自己研製的高速渾水循環系統中，通過對高速含沙摻氣水流壁面剪切應力和脈動壓強等參數的量測，分析了水沙氣三相流的紊動特性，探索了泥沙對固壁的磨蝕機理及減蝕措施，其主要內容包括以下幾個方面： 1
  10. In this thesis the author made a study of asynchronous motor model, designed a hybrid simulation system of dtc and analyzed the characteristics of the dtc system and the existing problems detailedly. due to the large torque ripple of induction motor in dtc system, especially in low speed, this thesis proposed a discrete time space vector modulation and designed a sliding - mode torque and flux controllers based on sliding - mode theory to overcome this drawback

    由於直接轉矩控制存在的不足之處主要在於轉矩脈動，特別是在低速運行時這種情況更加突出，針對該問題，本文提出了一種離散時間空間矢量合成法來改善轉矩脈動，並且引入滑模理論，設計了一種滑模轉矩和磁鏈控制器來克服這一缺點。
  11. Hydraulic fluid power - determination of characteristics of motors - at constant low speed and constant pressure

    液壓流體動力.電動機特性的測定.在恆低速和常壓下
  12. Hydraulic fluid power - determination of characteristics of motors - part 1 : at constant low speed and constant pressure

    液壓流體動力.電動機特性的測定.第1部分:在恆低速和恆壓力下的測定
  13. Hydraulic fluid power - determination of characteristics of motors - part 1 : at constant low speed and at constant pressure

    液壓流體動力.電動機特性的測定.第1部分:在恆定低速和恆壓下進行的測定
  14. The hybrid claw - pole alternators have magnetic fields contributed by permanent magnet as well as excitation coil, and the advantages are high efficiency, have good low - speed characteristics, excitation adjustable and high flux densities. for the reason of complex claw - pole construction and 3 - d magnetic field distributions, there is lack of the research on the alternators

    混合勵磁爪極發電機是由永磁體和勵磁線圈共同產生電機磁場的一種發電機，與傳統的爪極發電機相比有高效、低速性能好和集線圈勵磁的電壓調節性能與高磁通密度的優點，具有很好的研究前景和使用價值。
  15. Focused on the nonstationary features and analysis requirements of flutter test data, the application scheme is brought forward for flutter signal processing. by using computer simulation and flutter test of low - speed wind - tunnel of some aeroelastical modes, the characteristics of the scheme are investigated

    本文基於顫振試驗信號的非平穩特點與分析需求，應用自適應時頻分析技術給出並實現了兩種新的顫振信號處理方案，重點研究了適用於連續變速顫振試驗的顫振邊界預測問題。
  16. According to the hydrodynamic theory, the interconnected characteristics of the highway traffic flow to the low - speed flow of pavement maintenance equipments are studied, and the traffic conflict characteristics of low - speed flow of pavement maintenance equipments to the high - speed traffic flow are analyzed

    摘要藉助流體流量連續理論，分析了高速交通流與養護施工作業設備的關聯特性，以及養護施工機械設備機群低速流與高速公路高速交通流的沖突特徵。
  17. But it is gas medium with compressibility and low viscosity that leads to low natural frequency, small damping ratio, low positional precision and rigidity, bad low speed characteristics, which limit the application of pneumatic servo technique

    但因為氣體的可壓縮性和低粘性，導致氣壓伺服系統固有頻率低、阻尼比小、定位精度和定位剛度低、低速性能差，使得氣壓伺服技術的應用受到限制。
  18. Basing on the operating characteristics of the pmsm machine tool spindle drive system, a novel frequency multiplication circuits which can be switch to 2 or 4 times of base frequency is proposed in the paper. it resolves the paradox of using a same photoelectric encoder under high and low speed operating condition of motors

    它能夠根據指令實時的對編碼器反饋回來的電機速度信號進行2倍頻或4倍頻處理，解決了用同一個編碼器來檢測電機低速和高速的矛盾。
  19. It analyzes and researches control rule and realization. the system has high accurate and excellent low - speed characteristics

    該系統具有較高的精度和良好的低速性能。
  20. In the part of cooling characteristics investigation, these four laminate plates were tested in a large scale low speed close - looped wind tunnel and the cooling effectiveness were obtained

    在冷卻特性實驗部分，在大尺寸低速迴流式風洞中對上述四塊層板進行了冷卻特性實驗，獲得了其綜合冷卻效率。
分享友人
分享到 Line

分享到臉書