flight frequency 中文意思是什麼

flight frequency 解釋
航次頻數
  • flight : n 1 飛行,飛翔;(鷹對獵物的)追趕。2 (候鳥等的)遷徙;飛行的一群。3 (光陰)飛逝。4 (思想等的...
  • frequency : n. 1. 屢次,頻仍,頻繁。2. (脈搏等的)次數,出現率;頻度;【物理學】頻率,周率。
  1. Additional trials on aeronautical telecommunication network ( atn ), surface movement guidance and control system ( smgcs ), electronic flight strips ( efs ), secondary surveillance radar mode s data link and very high frequency data link ( vdl ) are planned for this year

    此外,有關航空通訊網路、地面活動引領管制系統、電子飛行紙條、 s模式的二次監察雷達數據鏈路和甚高頻數據鏈路的進一步試行運作,亦計劃在本年進行。
  2. An airline ' s share on a certain market is affected by the airline ' s level of service ( quality of product ), including flight frequency, ticket price and aircraft type offered to the market

    摘要航空公司在某一市場上的份額受該公司在該市場提供的服務水平(產品質量)的影響,包括航班頻率、票價、機型等。
  3. With the purpose of maximizing the total profit of a network, the effects of the network model parameters on flight frequency, traffic and single flight occupancy of fully - connected and hub - and - spoke airline networks are investigated

    摘要以網路利潤最大化為目標,分析了幾種網路模型參數對全連通航線網路和樞紐航線網路中航班頻率、客流量以及單航班座位數的影響。
  4. By comparing the two types of airline networks based on the same network model parameters, it is found that the flight frequency, nonstop traffic and fare given by hub - and - spoke airline network is larger than that by fully - connected airline network, while the single flight occupancy is incomparable

    基於相同的網路模型參數,對全連通航線網路和樞紐航線網路中的航班頻率、客流量、直達票價、單航班座位數之間的關系進行了研究,結果發現樞紐航線網路中的航班頻率、直達客流量和直達票價分別大於全連通航線網路中的航班頻率、直達客流量和直達票價,但是不能確定兩種航線網路中單航班座位數之間的大小關系。
  5. Finally, considering the flight distance of every airline in the airline - network, using “ seat kilometre ” as the unit of the capacity, the paper optimized the capacity assignment in airline - network. as the result of above, types of aircraft and the amount of them, the flight frequency and types of aircraft were optimally constituted. the two preceding optimization procedures are all based on balance of capacity expenditure and the market share of airlines, aiming at the maximum profit in whole airline - network

    三、對整個航線網路進行運力的優化分配,首先考慮整個航線網路中具體每條航線的航程,以「座公里」作為運力單位進行,將運力在整個航線網路上優化分配,根據優化得到結果和公司擁有的機型和每種機型的數量,再對每條航線的航班頻率和機型進行優化組合。
  6. Clr : alitalia 793 is cleared to destination zbtj, flight planned route. flight level four thousand five hundred meters. departure runway 36 left, vm two departure, initially maintain one thousand five hundred meters on qnh. departure frequency 119 decimal squawk 0007

    義大利拐九三可以放行至天津濱海,使用跑道三六左,按計劃航路飛行,航路高度四千五。
  7. Compared with non - slung - load flight, additional aerodynamic load, gravity load should be considered in the slung - load system. so the moment to the gravity center, flight mode and the natural frequency will change

    直升機吊掛飛行,與直升機非吊掛飛行狀態相比,增加了新的氣動載荷、重力載荷,和因此產生的對直升機重心的力矩,其飛行運動模式、低頻振蕩固有頻率均發生改變。
  8. On the basis of this theory, the applications of the sdr structure of wideband and bandpass sampling in if ( intermediate frequency ) in flight test were offered : increase the sampling in if ( intermediate frequency ) in flight test were offered : increase the capacity of the transmitter and the terminal receiver channels without changing the apparatus of original system and on the conditions of obeying the standard remote sensing

    首先對軟體無線電的組成結構和飛行測試中實際使用的通道進行了闡述,在此基礎上提出了基於寬帶中頻帶通采樣軟體無線電結構在飛行遙測測試中的應用,在不改變原系統設備的情況下,在遵守遙測標準的前提下,提出增加機載發射機和接收機通道容量的設計方案。
  9. Frequency - domain gtls identification combined with time - frequency filtering for flight flutter modal parameter identification

    基於時頻域濾波及頻域廣義整體最小二乘辨識的飛機顫振模態參數辨識
  10. Frequency sweep flight technique is used to collect the flight data of a model helicopter near its hover and low speed working condition, window frequency spectrum is combined to obtain the frequency response of both lateral and longitudinal channels, then weighted fitting method is utilized to obtain the transfer functions of the two channel

    摘要利用掃頻試飛技術獲取了某無人直升機在懸停工作點附近的舵機輸入和直升機動態輸出數據,利用組合窗頻譜分析的方法獲取了直升機橫滾通道與俯仰通道動態的頻率響應特性,利用加權擬合的方法獲取了各自的傳遞函數。
  11. Frequency modulated continuous wave synthetic aperture radar ( fm - cw sar ) can be miniaturized, and it is fit for light - duty flight platform wonderfully

    調頻連續波合成孔徑雷達可以實現小型化,能非常好地滿足輕型飛行平臺對成像設備的要求。
  12. However, at present in china civil aviation industry, the flight procedure design for terminal airspace is still in its early stage, with existing problems, such as too many navigational aids, inefficient use of navigational aid frequency, and low adaptability of flight procedure

    針對我國目前機場空域飛行程序設計還處在推廣階段這一情況,存在著諸如導航設施過多、導航臺頻率浪費嚴重、飛行程序適應性較差等缺陷,研究基於同一vor / dme導航設施機場空域飛行程序設計,具有較強的現實意義。
  13. In chapter 3, the non - linear equation was linearized with the jacobi matrix, and then the linearized equation was transformed into fixed frame to analyze the stability problem with eigenvalue method ( on - ground or hovering ) or floquet theory ( forward flight ). meanwhile, the equation was perturbed by sweep frequency excitation from steady state to get transit decay of lag response which was then transformed into fixed frame with a numerical fourier coordination transformation ( fct ). the fixed frame response along with the body response was analyzed via an fft to determine modal frequencies

    然後,在穩態響應的基礎上利用雅各比矩陣對非線性方程進行了線化,線化后的方程利用多槳葉坐標變換轉換到固定系下后,利用直接特徵值分析(地面、懸停)或floquet理論(前飛)對系統進行了穩定性分析;同時,對系統進行了瞬態響應分析;在系統達到穩態的基礎上進行掃頻激勵,用fft變換求得系統頻率,進而用移動矩形窗方法分析得到系統的阻尼。
  14. By the use of “ radar target backscattering simulation software ” and through many flight mode and research mode experiments with the u. s. - made helicopter ah - 64 as an example, a detailed analysis of helicopter echoes ’ time, frequency domain and time - frequency distribution characteristics is made. finally, according to these features, a tentative plan to detect hovering helicopters is proposed

    本文利用專門的電磁模擬軟體,以美製「阿帕奇」直升機為例,詳細分析了直升機雷達回波的時域、頻域和時頻分佈的特性,並根據這些特點提出了雷達探測武裝懸停直升機的初步方案。
  15. Flight simulator plays an important role in hardware - in - loop simulation, and a high - quality simulator is critical in developing a high - performance aircraft. this paper focuses on the performance improvement, it develops the controller of three axises and adjusts the control parameters in frequency - domain. it also concerns about some factors that influence the low - speed performance and draws some conclusions about the key points of performance improvement

    本論文針對轉臺的品質整定,基於頻域法設計與實現了轉臺三軸的控制器,在頻率域內整定了轉臺的動靜態品質,並對整定過程中的問題和現象作了詳細的分析和研究,提出了轉臺品質整定的關鍵點和注意點。
  16. Safety, on - time reliability, convenience in terms of airport proximity of seat availability, frequency of departures, in - flight cabin services, ground services including ticketing and baggage handing, aircraft type, and even the carrier ' s image are part of the airline product

    安全性、準時性、舒適性體現在以下方面,像機場臨近、座位可利用率、起飛頻率、機艙服務、地面服務包括訂票和行李搬運、機型甚至是承運人形象都是航空企業產品的一部分。
  17. And then the stability and the stable error response of the dpll are analyzed. there is an obvious doppler shift frequency offset in the received signal with flight at a high speed, in the dissertation the uniform sampling second - order dpll is used to remove the frequency bias for its excellent high - pass characteristic of the error transfer function

    由於高速飛行的遙測目標在接收信號中會出現較大的多普勒頻率分量,而典型均勻采樣二階數字鎖相環dpll ( digitalphase - lockedloop )的誤差函數具有高通特性,所以本文提出一種利用其高通特性來去除多普勒頻率分量的新方法。
  18. 2. in order to elaborate the market segmentation of china southern air holding company, this article at first makes use of the market segmentation module to show the characteristics of segmentation, furthermore to elaborate the air transport market segmentation through passenger various demands, geographical condition and economical development, and the frequency of passenger taking the flight

    二、為了更好地闡述重組后的中國南方航空集團的運輸市場細分,文章首先利用市場細分模型闡述細分的特點,進而從旅客多樣性需求、地理狀況和經濟發展水平、旅客乘機頻度等方面對航空運輸市場的細分進行了說明。
  19. ( 1 ). here we build the system space geometry model : the transmitter and receiver fly on different platforms and at different height, two flight paths are unparallel. based on the chirp signal and the taylor series, we analyze the range history and synthetic aperture time, then demonstrate the equation of the azimuth resolution about air - born bistatic spotlight synthetic aperture radar, meanwhile we obtain the equations of doppler bandwidth and doppler frequency modulate rate

    本文以機載聚束式合成孔徑雷達成像作為研究背景,主要完成了以下幾方面的工作: ( 1 )建立了一種機載雙站聚束式sar空間幾何數學模型,對方位分辨力進行了理論分析,進行了數值分析與模擬,討論了不同條件對雙站聚束模式sar系統分辨力的影響。
  20. The beijing karmel culture art development center is engaged in the domestic and foreign large - scale displays, the demonstration design manufacture, the display equipment manufacture sale and rental, the opening ceremony booth build, the opening ceremony cuts the ribbon, the etiquette service, the military band performance, the basket of flowers bouquet of flowers, the furniture rents, the celebrity manages, the dragon dance lion dance, the imposing percussion instrument, the light sound, the lift - off balloon, the balloon releases for flight, the fireworks salute, the cartoon arched entrance, the model manufacture, the sash colored flag, the scroll theater curtain, balloon printing, each kind of orchestra, the scene arrangement, the chinese dress rents, stage dance america, the video frequency projection, the sound amplifies, simultaneous interpretation and so on a series of services

    北京卡梅爾文化藝術發展中心是從事國內外大型展覽、展示設計製作、展覽器材製作租售、開幕式的展臺搭建、開幕式的剪綵、禮儀服務、軍樂隊演奏、花籃花束、桌椅租賃、名人主持、舞龍舞獅、威風鑼鼓、燈光音響、升空氣球、氣球放飛、禮花禮炮、卡通拱門、模型製作、授帶彩旗、條幅幕布、氣球印刷、各種樂隊、場景布置、旗袍租賃、舞臺舞美、視頻投影、音響擴音、同聲傳譯等一系列的服務。
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