boost phase 中文意思是什麼

boost phase 解釋
加力飛行階段
  • boost : vt 1 〈美口〉（由下或由后）推，升，提。2 〈美俚〉吹捧（候選人等）；支援；增加，提高；促進；煽起（...
  • phase : n 1 形勢，局面，狀態；階級。2 方面，側面。3 【天文學】（月等的）變相，盈虧；【物、天】相，周相，...
  1. Aiming at the nonlinearity of state and measure equation and measurement being only angle information, which results in poor observability and classical estimate methods such as extended kalman filter not converging, the boost phase states and covariance are estimated using unscented kalman filter ( ukf )

    針對狀態方程和觀測方程都是非線性方程，觀測量只有角度信息，造成可觀測性弱、經典的濾波演算法如擴展卡爾曼濾波方法不易收斂的問題，利用unscented卡爾曼濾波ukf演算法對主動段進行狀態和協方差估計。
  2. Spinning flight of ballistic missile in boost phase is a new idea in order to penetrate laser ’ s interception. spinning missiles may be unstable due to dynamic and control interactions

    彈道導彈主動段自旋飛行是一種新的構想，旨在對抗激光武器攔截，實現主動段突防。
  3. With promulgation and obliging actualization of iec 1000 - 3 - 2 etc. international standards, power factor correction ( pfc ) technique become a hotspot of research in power electronics field. based on average current mode, the paper introduce the design and implementation of a fully digital controlled single - phase boost power factor corrector with fast response. the control - loop circuit is realized using digital control and the corrector can tend to unity power factor, lower current harmonics and high transfer efficiency

    本文在平均電流模式控制的有源功率因數校正技術的基礎上，設計了一種控制電路基於數字信號處理器（ dsp ） 、主電路採用boost變換器拓撲結構的全數字單相功率因數校正器，用數字電路代替傳統的模擬電路來實現對整個迴路的控制，最終使得校正器具有輸入功率因數接近於1 、低電流諧波以及高轉換效率的特性。
  4. These topologies of inverters are composed of two bi - boost dc / dc converters, they are symmetry. so whole circuit turn into four - quadrant converters, we can control every power mosfet on or off. then we can get sine wave with direct current polarization at the left, at the same we also can get sine wave with direct current polarization phase contrast 180 compared of the left at the right

    這類逆變器由左右二個雙向boostdc / dc變換器構成，左右二邊是對稱的，所以整個電路構成了一個四象限變換器，我們可以恰當控制各功率管的開、關，使左邊的兩象限dc / dc變換器輸出一個帶直流偏置的正弦波，使右邊的兩象限dc / dc變換器輸出一個相差180度帶同樣直流偏置的正弦波形，這樣，負載zl上的電壓是左、右兩個dc / dc變換器電壓的差動輸出，正好可以消掉直流偏置，最終在負載r1上得到的就是正弦波。
  5. Research on interceptor flight method in boost phase based on lambert theorem

    定理的攔截器推進段飛行方案研究
  6. During the baseb phase ofbuilding miles, it is the daily consistency of training over a period of weeks and eonths that will boost f metabolismg

    在累積里程數的最初階段，要提升脂肪代謝率要每天密集的訓練數周或數月。
  7. During the base phase of building miles, it is the daily consistency of training over a period of weeks and months that will boost fat metabolism

    在累積里程數的最初階段，要提升脂肪代謝率要每天密集的訓練數周或數月。
  8. According to the character of ballistic missile in boost phase, the gravity turn model is established, and according to the position relationship between early warning satellite and the target, the measure model is established

    根據彈道導彈主動段運動的特點，建立了主動段運動重力轉彎模型。根據預警衛星與目標的位置關系，建立了觀測模型。
  9. The whole high power switch supply have four bidirectional dc / dc converters which are parallel connection. the theory of phase - shifted full - bridge zvs pwm dc / dc converter and the theory of push - pull boost converter are introduced. the methods of realize zvs ( zero voltage switching ) is studied in detail

    文中介紹了移相全橋式軟開關變換及推挽式dc dcboost變換的工作原理，分析了移相全橋zvs的實現和占空比的丟失，並設計了各自的控制電路和保護電路。
  10. In this dissertation, a novel bidirectional dc / dc converter ' s topology was designed, witch used in vehicle power supply systems. the converter is composed of fundamental bidirectional switch cell, using phase - shifted full - bridge zvs pwm dc / dc converter in buck circuit and using push - pull boost converter in boost circuit

    文中從雙向dc dc變換基本單元入手，針對某大型車載電源系統設計了一種新型雙向dc dc變換器拓撲電路，降壓變換採用移相全橋式zvs ? pwm功率變換，升壓變換採用推挽式dc dcboost功率變換。
  11. It consists of forward stage and backward stage, of which the forward stage is a single - phase boost power factor correction circuit using ic uc3854. the backward stage main circuit is a full - bridge converter using phase - shifting control soft - switching technique

    該開關電源分為前級和后級，前級為採用boost結構的單相有源功率因數校正電路，后級為採用移相控制軟開關技術的全橋變換器。
  12. The dq equivalent circuit model of three - phase three - switch boost type power - factor - correction is proposed firstly, the completely dc steady - state analysis and ac small - signal analysis are done and the dc operation points and ac transfer functions are acquired

    3 .首次提出三相三開關boost型功率因數校正的dq等效電路模型，並對其進行了完整的直流穩態和交流小信號分析，得到直流工作點和交流傳遞函數。
  13. On the basis of classifying the multitarget problem into single warhead and multiple warhead, this paper, according to the correlation support technology programs of us, the tacticses of multitarget inteception, including nuclear explosion defense, boost phase defense, advanced sensor tenchnology and multi - interceptor defense are analysed

    在將多目標問題分為單彈頭攻擊和多彈頭攻擊2類問題的基礎上，結合美國的相關研究計劃，分別針對核爆炸防禦、助推段防禦、先進的目標識別器和多攔截器防禦等多目標攔截策略進行了分析研究。
  14. Based on the detailed analysis of the principle of single - phase active pfc, the high power active pfc circuit is designed, and the method of designing boost inductor is also given in the paper. a high power phase - shifted - control soft - switching full - bridge converter is designed, and the condition of achieving zvs ( zero voltage switching ) is studied in detail

    論文在詳細分析和研究單相有源功率因數校正原理的基礎上，設計出大功率有源功率因數校正電路，並給出電路中升壓電感的設計方法；設計出了大功率移相控制全橋軟開關pwmdc dc變換器，詳細的研究了實現zvs的條件。
  15. The missile ’ s lunch point parameters and burnout point parameters are estimated using boost phase state estimation, and the impact point is predicted according to ellipse trajectory theory. and the effect of the estimation error of the burnout point on the impact estimate precision is analyzed

    應用主動段的狀態估計值估計了導彈發射點參數和關機點參數，根據橢圓彈道理論進行了落點預報，並分析了關機點參數估計誤差對落點估計精度的影響。
  16. These studies in the thesis have been done as follows : it is proved that if the three - phase single - switch boost type power - factor - correction can work in continuous - current - mode, its power factor can not reach unity. therefore, it is not qualified for high power and high requirement application. according to the ac side equivalent circuit of the three - phase three - switch boost type power - factor - correction, the equations to realize unity power factor have been deduced and realized by integrate - reset - control circuit

    本論文把積分復位控製成功應用於三相功率因數校正技術中，作了以下幾方面的研究： 1 .從理論上證明了三相單開關boost型pfc即使工作在ccm ，其功率因數也不能達到1 ，在大功率和對功率因數校正能力要求較高的場合，三相單開關boost型pfc達不到要求， 2 .根據三相三開關boost型功率因數校正交流側的等效電路，推導出實現單位功率因數所需的控制方程，並用積分復位控制電路進行實現，在理論研究的基礎上進行了模擬研究。
  17. In this dissertation, missile ’ s states in the boost phase and trajectory parameters estimate algorithms are studied by using angles of arrival measurement from space - based infrared sensor, and the availability and precision is validated through simulation

    本文主要利用地球同步軌道的預警衛星敏感器探測的目標視線角測量，對導彈主動段運動狀態和彈道參數估計演算法進行了研究，並通過模擬驗證了方法的有效性和可行性。
  18. Shandong province urbanization has already entered the boost phase. the urbanization level will attain 50 % in the 2010. but the urbanization level has obvious region difference in the shandong province. in the eastern region, most cities are close to urbanization. otherwise most cities are waiting for urbanization in the western region. the region difference is great. on the base of the urbanization level status quo, the thesis analysizes the urbanization characteristics of 17 cities, and then explore the region difference root of the urbanization

    山東省城市化進程已進入加速階段，預計2010年，城市化水平達到50 %左右，但城市化水平區域性差異明顯，東部地區以接近城市化為主，西部地區以待城市化為主.本文基於山東省城市化水平的現狀，通過對山東省17地級市城市化發展特點的分析，探究城市化水平區域性差異的形成原因
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