模擬中繼線 的英文怎麼說

中文拼音 [mónǐzhōngjìxiàn]
模擬中繼線 英文
analog trunk
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 擬 : 動詞1. （設計; 起草） draw up; draft 2. （打算; 想要） intend; plan 3. （模仿） imitate
  • 繼 : Ⅰ動詞（繼續; 接續; 接著） continue; succeed; follow Ⅱ副詞（繼而） then; afterwards
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
  1. Finally, with the optimized chaos sequences, the results of software simulation on vhf - rc indicates that ds - ss outbalances the bpsk system without spread spectrum due to ber and the ds - ss with kent sequence is better than the one with golden sequence in some extend

    最後本文對數字混沌序列進行了優選，在超短波中繼通道模型上的模擬結果表明混沌直擴通信相比于非擴頻的bpsk通信在誤碼率方面明顯較低；相對于線性擴頻碼（ gold序列） ，同樣誤碼率較低。
  2. A multiloop antenna pointing controller has been designed while three feedforward schemes are used in this control design. the simulation results show that the antenna pointing control system can improve the precision of the attitude angle and the attitude angle rate, and the antenna can slew to the neighborhood of tdrs fast, search and then track tdrs

    在設計好的天線跟蹤指向控制系統基礎上，採用前饋+反饋的復合控制策略設計了復合控制器，模擬結果表明設計的天線指向控制系統能夠較好的提高星體的姿態穩定度和控制精度，天線能夠快速回掃至中繼衛星附近並進行跟蹤，天線指向精度滿足設計要求，表明了所設計的天線指向控制系統的合理性和有效性。
  3. A testbench program is edited to simulate the behavior of the fifo. after the software simulation is accomplished, a real hardware circuit is designed to multiplex two data channels ( 1553b data channel and 1394 data channel ) according to ccsds standard. during the experiment and hardware debugging, the output logic of the fpga is checked up

    設計中，用vhdl語言對高速復接器進行行為級建模，為了驗證這個模型，首先使用軟體進行模擬，通過編寫testbench程序模擬fifo的動作特點，對程序輸入信號進行模擬，在軟體邏輯模擬取得預期結果后，繼續設計硬體電路，設計出的實際電路實現了將來自兩個不同速率的信源數據（ 1394總線數據和1553b總線數據）復接成一路符合ccsds協議的位流業務數據。
  4. Hereafter being the forecasting to the old age population coefficient, this text has been applied two kinds of regression model, namely univariate linear model and logarithmic model, and thought over three kinds of economic speed of development ( high, middle, low ) in the logarithmic model to forecast the old age population coefficient respectively. finally, by analyzing the forecasted value and the inertia law of population development, the paper points out the lengthening of the population equally expected life span will push forward the aging of population step by step to the advanced age development ; the development trend of the population aging continues to be clear, and just appears a stage characteristic ; furthermore, the population aging speed in rural area will be faster than in the city

    此後是對老年人口系數的預測，本文應用了兩種回歸模型，即一元線性回歸模型和對數擬合模型，並在對數擬合模型中考慮了經濟發展速度的高、中、低三種方案，對老年人口系數分別進行預測；最後在分析預測值和人口發展慣性規律基礎上對山東省未來人口老齡化發展趨勢作了較深入分析，指出人口平均預期壽命的不斷延長，將逐步推動人口老齡化向高齡化發展；人口老齡化繼續發展趨勢明顯，且呈現出階段性特徵；農村人口老齡化速度將快于城市。
  5. A s t he main c ontent o f a r esearch p reject funded b y t he national natural science foundation of china ( nsfc ), the dissertation studied many aspects on construction industry, and delivered the following results : 1. the dissertation firstly makes a theoretical analysis on the general rule of construction growth, followed by an empirical test on the data of 34 countries in different development stages. this cross - sectional analysis and regression model investigate the relationship between the share of construction value - added ( cva ) in gross domestic product ( gdp ) and gdp per capita

    在對建築業的成長一般規律進行理論分析的基礎上，利用34個處于不同發展時期國家的橫斷面數據，回歸模擬出建築業增加值在gdp中所佔比重與人均gdp的關系，結果發現：建築業增加值在gdp中的比重隨人均gdp增長而呈現三次曲線關系，先上升，後下降，然後隨人均gdp增長還有可能繼續上升；第一次達到的正常情況頂點位置的產值比重（產業增加值gdp ）為7 . 28 ，中國建築業正處在向這一頂點攀升的過程中。
  6. Methods of measurement for equipment used in terrestrial radio - relay systems ; simulated systems ; measurement for sound - programme transmission ; identical with iec 60487 - 3 - 6 : 1984

    地面無線電中繼系統設備的測量方法.第3部分:模擬系統
  7. By using the method of reducing shear stiffness by step, that is, reducing shear stiffness during 3d nonlinear finite element analysis, it can simulate the stability of slope when its materials intension become strength from weak. when the slope is limiting equilibrium, we can define the safety factor on this parameter

    應用逐步降低抗剪強度法，即在三維非線性有限元計算過程中逐步降低材料的抗剪強度，可以模擬材料由強減弱的過程時邊坡的穩定性態，繼而由邊坡在極限平衡時的參數確定邊坡的安全系數。
  8. Later several key methods are emphatically pointed out : the object - oriented method and the inheritance thinking of object are employed to gain visibility and build - up repeatedly of model component in model library ; the technology of double - buffer and multi - thread assure the capability to manage in real time of multi - task system ; the algorithmic design of data - flow solves the problem of simulation calculation, and lay a basis of system expanding for the future. then the paper verifies the system with examples and provides the performance

    隨后重點討論了實現該虛擬模型系統的幾項關鍵技術；運用了面向對象技術和類的繼承思想實現了模塊庫中模型構件的可見性和重構性，雙緩沖存儲和多線程技術保證多任務系統的實時處理能力，數據流向的演算法設計解決了模型的模擬演算法問題，同時為今後的系統擴展提供了基礎。
  9. Since that the choosing line hardware for the neutral ungrounded system has just passed part of the dynamic simulative test, matlab software was chosen to do a lot of simulative tests on single phase - to - grounding fault. and the simulative sampling ratio is almost the same as the hardware ' s. because there is a low wave filter in the hardware, i choose the db15 wave - let to carry out the multidimensional decomposition on the sample by the method of one dimension discrete wavelet in order to obtain low frequency signal including the high frequency transient information on single phase - to - grounding fault

    鑒于實驗室已有的小電流接地系統選線硬體的研製只通過了實驗室里的動模試驗，故選用matlab軟體對小電流接地系統進行大量的單相接地故障模擬試驗，模擬的采樣率和硬體基本一致，由於硬體中帶有低通濾波器，故在進行采樣數據的morlet小波分析時先採用db15小波對采樣進行一維離散小波的多尺度分解，使得分解得到的低頻信號剛好包括了小電流接地系統單相接地故障時的暫態高頻信息，然後對這一信息再繼續進行小波演算法分析，分析結論表明利用變換后的實部、虛部和模值能夠較準確的實現單相接地故障時的故障選線和暫態高頻分量的提取。
  10. The antenna pointing control accuracy can satisfy the design specification and it is validated to be appropriate and effective. at last, the designed user satellites complex control system is simulated based on xpc target which is used for hardware - in - the - loop simulation

    4 .基於xpc實時模擬平臺，充分利用實驗室條件，搭建了用戶星天線樣機在迴路中的半物理模擬實驗，將天線指向控制系統和星體姿態穩定控制系統聯合起來，組成中繼衛星復合控制系統進行近一步的驗證。
  11. Methods of measurement for equipment used in terrestrial radio - relay systems ; simulated systems ; measurement of mutual interference ; identical with iec 60487 - 3 - 5, edition 1982

    地面無線電中繼系統設備測量方法.第3部分:模擬系統
  12. Information technology. international standardized profile rb. relaying the connection - mode network service. definition of profile rb51. 1111, relaying the connection - mode network service betweeen csma cd lan subnetworks and psdns using virtual calls over a pstn leased line permanent access

    信息技術.國際標準化數據區rb .中繼連接模式網路服務. csma cd局域網子網路和使用在pstn租賃線路永久性通路上進行虛擬呼叫的psdn之間的中繼連接模式網路服務的數據區rb51 . 1111的定義
  13. Methods of measurement for equipment used in terrestrial radio - relay systems ; part 3 : simulated systems iec 60487 - 3 : 1975 ; german version hd 477. 3 s1 : 1988

    地面無線電中繼系統設備的測量方法.第3部分:模擬系統
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