移相鍵 的英文怎麼說

中文拼音 [yíxiāngjiàn]
移相鍵 英文
phase shift key，psk
  • 移 : Ⅰ動詞1. （移動） move; remove; shift 2. （改變; 變動） change; alter Ⅱ名詞（姓氏） a surname
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 鍵 : 名詞1 [機械工程] （使軸與齒輪、皮帶輪等連接並固定在一起的零件） key 2 [書面語] （插門的金屬棍子）...
  1. Abstract : 1 - ( 4 - pyridinyl ) - 2 - propanone, which is the key intermediate of synthesizing the milrinone, a cardiotonic agent, was synthesized from 4 - methyl - pyridine by acetylation in dichloromethane and phase transition catalyzing hydrolysis. the overall yield was 73. 1 %

    文摘:報道了以4 -甲基吡啶為原料，經酰化和相轉移催化水解反應制備強心藥物米利酮關鍵中間體1 - （ 4 -吡啶基） - 2 -丙酮的新合成方法，總收率達73 . 1 %
  2. Pll - qpsk, phased - locked loop quadrature phase shift keying

    鎖相環四相相移鍵控
  3. Pll - qpsk phased - locked loop quadrature phase shift keying

    鎖相環四相相移鍵控
  4. Quadrature differential phase shift keying qdpsk

    四相差分相移鍵控
  5. Quadrature differential phase shift keying

    四相差分相移鍵控
  6. Operate guidebook : use left key of mouse ambulation an among thoses fresh flowers, five fresh flowers of [ with ] homology connect a glimmer of can remove then

    操作指南：使用鼠標左鍵移動其中一朵鮮花，相同的五朵鮮花連成一線便可消除。
  7. This thesis has studied some key hpm power combining technologies such as phase - locked source, high power phase shifter and high power combiner. according to the facts of hprl, it presents a combining project of relativistic magnetron with three output ports which acts as an phase - coherent hpm source. through theoretical computation and hfss simulation, we have designed the hpm dielectric phase shifter and waveguide - based combiner

    對高功率微波功率合成的關鍵技術如鎖相源、高功率移相器、功率合成器進行了討論分析，結合實驗室實際情況，提出了以三埠輸出相對論磁控管作為相干高功率微波源進行高功率合成技術研究的方案。
  8. Fengyun dump star : mouse operation, find two cards of the same can be deleted, the elimination of all licensing clearance ; situation will be the same color : a key bits, d. key shifted to the right, s bond rapid downward movement, j. key rotation

    風雲翻斗星：鼠標操作，找出兩個相同的牌即可消去，消去所有牌過關風雲同色會： a鍵左移， d鍵右移， s鍵快速下移， j鍵旋轉。
  9. Introduction : fengyun dump star : mouse operation, find two cards of the same can be deleted, the elimination of all licensing clearance ; situation will be the same color : a key bits, d. key shifted to the right, s bond rapid downward movement, j. key rotation

    攻略：風雲翻斗星：鼠標操作，找出兩個相同的牌即可消去，消去所有牌過關風雲同色會： a鍵左移， d鍵右移， s鍵快速下移， j鍵旋轉。
  10. The key for phased array antennas with good functions is the use of controllable phase shifters. however, phase quantization errors affect the accuracy of phased array antenna beam pointing badly, which is mainly researched here

    其中可控數字移相器的使用，是相控陣天線優越性能實現的關鍵，但由此引入的相位量化誤差，嚴重影響了相控陣天線的波束指向精度。
  11. Phase - shift keying

    相移按鍵法
  12. Especially for phased array radar, microwave phase shifter is an important component and used in many parts of phased array radar

    尤其在相控陣雷達中，微波數字式移相器是大量應用的關鍵部件。
  13. The twelve kinds of modes and equivalent circuits of this inverter with high frequency link within one high frequency switching period are carefully analyzed ; by using the state - space averaging approach, the inverter ’ s averaging model is presented, and the design criterion of key circuit parameters and the output characteristic curve are given ; the analyses of the system stabilization and the mathematic analyzes of the principle of high - frequency - link of this inverter have also be done. prototypes for 1kva 270v 10 % dc / 115v400hzac uni - polarity phase shifting controlled bi - directional voltage mode inverter with high frequency link is designed

    以全橋橋式拓撲為例，論述了雙向電壓源型高頻環節逆變器單極性移相控制的原理、逆變器在一個高頻開關周期內的十二個工作模式及其等效電路;採用狀態空間平均法建立了逆變器平均模型，獲得了這類逆變器的關鍵電路參數的設計準則和外特性曲線;分析了系統穩定性，並對逆變器高頻環節原理進行了數學分析。
  14. The twelve kinds of modes and equivalent circuits of voltage mode ac - ac mode ac / ac converters with high frequency link within one high frequency switching period are carefully analyses. by using the state - space averaging approach, the converter ' s averaging model is presented, and the design criterion of key circuit parameters and the output characteristic curve are given

    以全橋橋式拓撲為例，論述了單極性移相控制的原理、單極性移相控制電壓源交?交型高頻環節ac ac變換器在一個高頻開關周期內的十二個工作模式及其等效電路。採用狀態空間平均法建立了變換器平均模型，獲得了關鍵電路參數的設計準則和變換器的外特性曲線。
  15. Psk : phase shift keying

    移相鍵控
  16. The author has applied bcpc code to two fields. one is a frequency hopping ( fh ) communication system. theoretic analysis and simulation results show bcpc sequence features ideal random performance, good hamming correlation property and wide fll gap

    將scqc碼應用於跳/擴頻通信系統（ fh - ss ）的碼變型（即反轉移相鍵控）器中，分析了scqc碼序列的性能。
  17. 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:為了研製自動跟蹤同步通信衛星平板相控天線陣系統，對相控陣天線中的關鍵元件單環非互易鐵氧體移相器進行了研究。
  18. The problem is much more critical when the inverter frequency is high. in a welding machine, the main circuit with the technology of the soft - switching is much idealer than the hard - switching. firstly of all, by the theory of the soft - switching, this paper relatively analysis the advantages of the soft - switching and, with the help of the simulation software pspice, analyzes the main circuit of the full bridge shift - phased zero voltage zero current ( zvzcs ) soft - switching

    結合軟開關實現原理，本文首先對比分析了軟開關在提高效率、降低emi干擾等方面的技術優勢，通過pspice軟體模擬，分析研究了全橋移相零電壓零電流（ zerovoltagezerocurrent - - - - zvzcs ）軟開關電路，詳細介紹了該電路的軟開關實現過程，並給出了電路模型和關鍵元件的設計參數。
  19. The principles and key techniques of phase - shifting interferometry, the phase - shifting modulation of pyroelectric cameras and so on are analyzed in this dissertation

    文中分析了儀器涉及到的移相干涉、熱釋電攝像儀的移相調制等原理與關鍵技術。
  20. Its test results indicate : voltage mode inverters with high frequency link have the advantages such as high frequency electrical isolation, simple topology, two - stage power conversions, high power density, bidirectional power flow, good line current waveform, low audio noise, high converting efficiency, and high input power factor etc. this kind of converter lay the key technical foundation on new type high power density, high efficiency and low cost asi

    設計的1kva270v 10 % dc / 115v400hzac單極性移相控制雙向電壓源高頻環節逆變器原理試驗表明，這類逆變器具有高頻電氣隔離、電路拓撲簡潔、兩級功率變換（ lfac / hfac / lfac ） 、功率密度高、雙向功率流、音頻噪音低、變換效率高、網側功率因數高等優點，為新一代高功率密度、高變換效率、低成本航空靜止變流器奠定了關鍵技術基礎。
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