調制相 的英文怎麼說

中文拼音 [diàozhìxiāng]
調制相 英文
chopper wheel
  • 調 : Ⅰ動詞1 （配合得均勻合適） harmonize; suit well; fit in perfectly 2 （使配合得均勻合適） mix; adju...
  • 制 : Ⅰ動詞1 （製造） make; manufacture 2 （擬訂; 規定） draw up; establish 3 （用強力約束; 限定; 管束...
  • 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...
  1. Optical 3 - d profilometry has been widely used for 3 - d sensing, machine vision, intelligent robots control, industry monitoring, biomedicine, dressmaking, etc. several 3 - d object profilometry methods, including moire technique ( mt ), phase - measuring profilometry ( pmp ), fourier transformation profilometry ( ftp ), modulation measurement profilometry ( mmp ) have been exhaustively studied

    光學三維傳感已廣泛應用於機器視覺，實物仿形，工業檢測，生物醫學等方面，在三維面形測量中，對莫爾輪廓術，位相測量輪廓術，付里葉變換輪廓術，調制度測量輪廓術這些方法已經進行了大量深入的研究。
  2. Then, according to the geometrical optics, the modulation of structure light by the parallel projective illumination and the emanative projective illumination is discussed to educe the height formula corresponding to these two illuminative mode

    然後，基於幾何光學分析，討論物體輪廓對平行投影及發散投影結構光場調制問題，導出與這兩種照明方式相適應的高度公式。
  3. Self - modulation of intense relativistic annular electron beam in equipotential resonant cavity

    強流相對論環形電子束自調制振蕩研究
  4. Measuring method for the level of intermodulation products generated in a gyromagnetic device

    回轉磁設施中互相調制乘積發生水平的測量方法
  5. Some studies on control modes of the system, especially on a dc, pm, brushless and sensor - less motor driven systems. a method of rotor position identification without sensors has been developed. using a microchip to increate system efficiency, anti - disturbing ability and reliability of pwm modulation

    研究了適于直流、無刷、永磁、無位置傳感器電機轉子位置的檢測方法；採用單片機實現了該種電機的運行控制，提高了系統在pwm調制時位置檢測換相控制過程的抗干擾能力。
  6. On the base, we designed the waveguides " structure and fabrication parameter. and in the design of symmetric y - branch of proton - exchange s ingle - y phase linbo3 modulaor, we used finite difference beam propagation method to analyze and compare the optical transmission loss of different s - bend y - branch

    本文對質子交換linbo _ 3單y相位調制器的重要部件y分支進行了深入的研究，比較了不同s彎曲形式的y分支過渡長度與損耗的關系，並計算出間距250 m時的最小彎曲長度。
  7. Phase sweep space - time bit interleave coded modulation

    掃相空時比特交織編碼調制
  8. In this paper, research on the algorithm of complete digital if and baseband transmission system and the realization of transmitter and receiver. / 4 - dqpsk is chosen as digital modulation scheme. the scheme of demodulation is baseband differential detection. sliding correlator can realize the symbol synchronous acquisition ; early - late gate synchronizer is used to do symbol synchronous tracking

    系統的發射機選定/ 4 - dqpsk為調制方式，接收機採用基帶差分解調的非相干解調方式，滑動相關器捕獲發送的pn序列，早遲門同步器跟蹤符號同步，使用相關器對同步后的符號進行最佳判決，並在這些演算法實現的基礎上，實現了直接序列擴頻和解擴技術。
  9. With the established rf front - end system simulation platform, adding the digital modulated baseband signal, this paper simulated the multifold digital modulated signal ’ s transmission, such as 2ask, qpsk, and 16qam. then researches of power compression and phase noise of local oscillation influence the bit error ratio for different modulated system. the designing is satisfied multifold functions request with the high - powered and integrated broadband rf front - end

    隨后在建立的寬帶射頻前端通用模擬平臺上，加入基帶數字調制信號，對多種數字調制格式的信號在該通用平臺上的傳輸作了研究，模擬了2ask 、 qpsk和16qam等調制格式信號的發射與接收，研究了功率壓縮和本振相位噪聲對不同調制的誤碼率影響，實現了滿足多種功能要求的寬帶高性能綜合射頻前端的設計。
  10. In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage

    我們對兩種正交調制方式（ 16qam和4 - qpsk ）進行了模擬工作並給出了模擬結果，同時討論了碼元同步定時誤差對鎖相環路工作的影響並根據流星通信中使用變速率傳輸時鎖相環路的載波同步性能進行了測試；然後在基於軟體無線電思想的數字處理平臺（該數字處理平臺實現了中頻數字化）上用dsp軟體完成了載波的相位跟蹤。
  11. Mode locking can be induced not only by loss modulation, but also by phase modulation.

    鎖模不僅可用損耗調制取得，也可用位相調制來得到。
  12. There has been a revolutionary advance in ultrashort pulse technology since the discovery of self - mode locking of ti : sapphire lasers. few - femtosecond pulses have already been generated from ti : sapphire lasers, by means of combining self - phase modulation with negative group velocity dispersion, which is similar to the way of soliton generation

    鈦寶石激光自鎖模的發現使得超短脈沖技術發生了革命性的變化，利用自相位調制和負群速度色散結合的類孤子產生方式，人們已經在鈦寶石鎖模激光器上得到了脈寬只有幾個飛秒的光脈沖。
  13. Comparison research verifies its effectiveness on reducing the de - link losses and improving the output performance. the three topologies mentioned above are all presented with detailed theoretical analysis, parameters design, simulation and experimental verifications. a 6kw three - phase inverter system is accomplished in order to verify that the two - amplitude control technique is fit for high power application

    第五章研究三相逆變系統的雙幅諧振直流環節技術，完成了6kw實驗系統，提出了滯環電流控制與空間矢量調制相結合的方案（ hcc - svm ）並首次採用cpld實現邏輯控制，大大降低了逆變器換流頻率，縮短了控制延時，實現了逆變器的高效變換和低輸出失真。
  14. Second, this paper design the simulation scheme of bicm for comparing the performance over fading channel and awgn channel that combine 2 / 3 rate, 4 states punctured convolutional code with 8psk modulation, matching block interleave or random interleave, transform through rayleigh channel or awgn channel and use the way that combine coherent demodulation with viterbi decoding in receiver. design the scheme of bicm _ id that use the iterative decoding technique and the scheme of tcm for compare

    為了驗證bicm和bicm _ id在衰落通道和加性高斯白噪聲通道（ awgn ）下的性能，設計了一個2 / 3碼率， 4狀態的鑿孔卷積碼經過塊交織或隨機交織，與8psk調制相結合，在rayleigh通道下或awgn通道下傳輸，接收端採用相干解調與維特比譯碼相結合的bicm方案，在接收端引入迭代反饋譯碼的bicm _ id方案，以及與之相比較的tcm方案。
  15. The subject realizes frequency hopping technology and gmsk modulation, and realizes communication rate 192kbit / s

    本課題將跳頻技術和gmsk調制相結合來實現通信速率為192kbit / s 。
  16. The sensor can compress phase till hundreds of times and extends the range of dynamic measurement. the formulas of light path is presented

    該干涉儀使調制相位被壓縮了上百倍，提高了線性度，擴大了動態測量范圍。
  17. First, this paper analyses a bicm model and the bicm _ id model based on combination of convolutional code and 8psk modulation, and introduces the principle and key technique

    本文分析了一個基於卷積碼和8psk調制相結合的bicm模型和相應的bicm _ id模型，介紹了它們的原理和其中的關鍵技術。
  18. The performance of tcm over awgn channel is perfect but it is bad over fading channel. there is an effective method to solve this problem that combines interleave technique with coded modulation to get the gain of performance over fading channel. this paper is about a new coded modulation technique ? ? bicm ( bit interleaved coded modulation ) and bicm _ id ( bicm with iterative decoding ), and their performance of bit error rate in different conditions

    本文研究的就是一種將交織技術與編碼調制相結合的新的編碼調制方式? ?比特交織編碼調制（ bicm ， bitinterleavedcodedmodulation ） ，和引入迭代反饋譯碼的比特交織編碼調制（ bicm _ id ， bicmwithiterativedecoding ） ，及它們在不同通道條件下的性能。
  19. Chapter 3 studied the results that come from the combination of the multi - carrier transmission technology and the adaptive multilevel modulation technology in detail, and bringed up to apply the technology to wireless channel transmission. the feasibility and advantage been testified by computer simulink

    第三章詳細討論了多載波傳輸和自適應多元調制相結合的效果，提出將這種技術應用於無線通道傳輸的想法並模擬證明其可行性和優越性。
  20. Coded modulation technique is a way that combines coding technique with modulation technique to get coding gain in the instance of keeping the power efficiency and frequency efficiency but increasing the complexity of equipment

    解決這一問題的一種有效方法是利用交織技術與編碼調制相結合，以此獲得在衰落通道下性能的提高。
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