跟蹤環衛星 的英文怎麼說

中文拼音 [gēnzōnghuánwèixīng]
跟蹤環衛星 英文
tracking loop
  • : Ⅰ名詞(腳的後部或鞋襪 的後部) heel Ⅱ動詞1 (在後面緊接著行動) follow 2 (指嫁給某人) be marrie...
  • : 名詞(腳印; 蹤跡) footprint; track; trace; trail
  • : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
  • : Ⅰ動詞(保衛) defend; guard; protect Ⅱ名詞1 (周朝國名) wei a state in the zhou dynasty2 (姓氏...
  • : 名詞1 (夜晚天空中閃爍發光的天體) star 2 [天文學] (宇宙間能發射光或反射光的天體) heavenly body...
  • 跟蹤 : follow the tracks of; tail after; following; follow up tracing; track; tracking; trail; lock on; ...
  1. The system uses the permanent magnet synchronous machine as the driver motor based on the idea of polygonal flux linkage locus and the permanent magnet brush - less motor is as the momentum balance motor by means of speed and current loop in order to track driver motor precisely and rapidly. the harmonious control of driver motor and balance motor is realized by making full use of the dsp hardware resource and complicated programmable logic device. the software design is composed of c and assembly language to realize motor control arithmetic of polygonal flux linkage locus

    天線伺服控制系統以正弦波永磁同步電機作為驅動電機,採用多邊形磁鏈軌跡法(電壓空間矢量法)的控制策略;動量平衡電機採用永磁無刷直流電機,通過電流、速度達到快速、精確驅動電機的目的,確保了姿態恆定;設計方案中充分利用了dsp硬體資源和復雜邏輯陣列實現了驅動電機和平衡電機的協調控制,並通過c語言和匯編語言的混合編程實現了電機的多邊形磁鏈軌跡控制演算法。
  2. The movement of the satellites causes doppler frequency to drift, the receiver usually tracks the signal frequency the receiver through phase locked loop, in order to can demodulate the signal

    運動造成多普勒頻率漂移,接收機一般都採用鎖相接收信號頻率,以便能正確解調信號。
  3. Abstract : the single toroidal non - reciprocal ferrite phase shifter that isthe key components of a phase array antenna is studied to develop the phase array antenna for autotracking synchronous communication satellite

    文摘:為了研製自動同步通信平板相控天線陣系統,對相控陣天線中的關鍵元件單非互易鐵氧體移相器進行了研究。
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