相對相移鍵控 的英文怎麼說

中文拼音 [xiāngduìxiāngjiànkòng]
相對相移鍵控 英文
rpsk relative phase shift keying
  • : 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...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
  • : 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)...
  • : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
  • 相對 : 1. (面對面) opposite; face to face 2. (非絕對的) relative 3. (比較的) relatively; comparatively
  1. A total of three tests that were days worms, land worms and family troubles, the use of a magnifying glass on the screen can choose. tell us about the game, quite simple, the player mobile mouse

    介紹一下游戲方式,當簡單,玩家動鼠標制手上的噴霧器,著畫面上方落下部分關卡是由下往上的蟲子點擊左,噴灑殺蟲劑即可。
  2. 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

    高功率微波功率合成的關技術如鎖源、高功率器、功率合成器進行了討論分析,結合實驗室實際情況,提出了以三埠輸出論磁管作為干高功率微波源進行高功率合成技術研究的方案。
  3. This thesis analyzed the error performance of mfsk and mpsk modulator in hf with optimal receiver, studied the shortcoming and strongpoint of several typical short - wave data transmission systems and their performance over fading and intersymbol interference channels. the theory and key technical of adaptive modem is discussed. in the last, an efficient modulation scheme - block coded modulation is introduced into hf radio systems to improve the efficiency of hf data transmission, this paper also proposes a hf data transmission system scheme composed of a block coded modulator and a decision feedback type adaptive equalizer

    本文在短波數傳兩種常見調制方式fsk及psk最佳解調性能分析的基礎上,討論了幾種採用典型調制技術的短波數傳系統(如時頻調制、多進制頻慢跳頻、 chess系統)原理、優缺點以及抗衰落和抗符號間干擾的性能;分析了自適應串列數傳系統抗短波通道衰落和多徑干擾的原理、關技術;在本文的最後引入一種有望解決短波數傳系統低效率狀況的調制方式bcm -分組編碼調制,給出了一個採用bcm技術與自適應均衡技術結合的短波數傳系統方案,並通過計算機模擬進行了初部驗證。
  4. Abstract : yanchang series is a typical low permeability reservoir, and its favourable sandstone reservoir is delta facies. heavy compaction, cementation and heterogeneity exist in it. according to the analysis of the main control factors of forming the secondary pore, it is held that the secondary pore in longdong area is controlled by both favorable facies belt and abnormal formation pressure. it is also held that the formation of the abnormal formation pressure is due to the dewatering of the clay mineral during diagenesis because the dewatering time is identical with the decarboxylation time of organism. organic acid and co2 are driven to adjacent favorable reservoirs under the abnormal formation pressure, and a lot of secondary pore is produced in the runners. from the present exploration result, it is useful to predicting the development of secondary pore to study the distribution of abnormal formation pressure

    文摘:陜甘寧盆地三疊系延長統是國內外典型的低滲特低滲油田,儲集層主要為三角洲砂體,壓實作用和膠結作用強烈,儲層非均質性非常嚴重,因此預測次生孔隙發育帶是尋找油氣聚集帶的關.通過陜甘寧盆地隴東地區延長統次生孔隙形成的主因素分析,認為陜甘寧盆地延長統次生孔隙的形成除了受沉積有利制外,還與地層異常壓力的作用密切關.研究認為隴東地區異常壓力的形成機理主要由於成巖過程中粘土礦物脫水作用.粘土礦物大量脫水時間正好與有機質脫羧期一致,從而在異常壓力作用下將生油巖中的大量有機酸及co2帶到與之鄰的儲集層中,並沿著有利儲集帶運,在酸性水經過的地方形成大量的次生孔隙,為後期油氣運聚提供有利通道及宿住空間,從現今的勘探結果來看,通過研究地層異常壓力縱橫向分佈特徵,並結合有利帶研究預測次生孔隙育良帶是行之有效的方法
  5. Yanchang series is a typical low permeability reservoir, and its favourable sandstone reservoir is delta facies. heavy compaction, cementation and heterogeneity exist in it. according to the analysis of the main control factors of forming the secondary pore, it is held that the secondary pore in longdong area is controlled by both favorable facies belt and abnormal formation pressure. it is also held that the formation of the abnormal formation pressure is due to the dewatering of the clay mineral during diagenesis because the dewatering time is identical with the decarboxylation time of organism. organic acid and co2 are driven to adjacent favorable reservoirs under the abnormal formation pressure, and a lot of secondary pore is produced in the runners. from the present exploration result, it is useful to predicting the development of secondary pore to study the distribution of abnormal formation pressure

    陜甘寧盆地三疊系延長統是國內外典型的低滲特低滲油田,儲集層主要為三角洲砂體,壓實作用和膠結作用強烈,儲層非均質性非常嚴重,因此預測次生孔隙發育帶是尋找油氣聚集帶的關.通過陜甘寧盆地隴東地區延長統次生孔隙形成的主因素分析,認為陜甘寧盆地延長統次生孔隙的形成除了受沉積有利制外,還與地層異常壓力的作用密切關.研究認為隴東地區異常壓力的形成機理主要由於成巖過程中粘土礦物脫水作用.粘土礦物大量脫水時間正好與有機質脫羧期一致,從而在異常壓力作用下將生油巖中的大量有機酸及co2帶到與之鄰的儲集層中,並沿著有利儲集帶運,在酸性水經過的地方形成大量的次生孔隙,為後期油氣運聚提供有利通道及宿住空間,從現今的勘探結果來看,通過研究地層異常壓力縱橫向分佈特徵,並結合有利帶研究預測次生孔隙育良帶是行之有效的方法
  6. On the basis of investigation and synthesis of the relative theory and key technology on the topological structure of locomotion, control system architecture, maneuverability, trafficability, the integration of exact mechanical engineering, net - based communication and sensor technology, an innovative robot with reconfiguration and biomimetic characteristics has been developed for 863 program of china ? study on autonomous navigation system for intelligence mobile robot in unknown environment

    本文針「未知環境中自主工作智能動機器人導航系統研究」的國家863項目,在綜述國內外關于動機器人走行部拓撲結構、制體系、機動性和通過性等動機器人的關理論和關技術的基礎上,綜合利用精密機械、網路通信、傳感技術等學科的技術,研製開發出一種多機動模式可重構動機器人。
  7. This dissertation analyzes detailed research about some key technology and security policy, such as secure saving and getting between agents, secure communication between agents and hosts or agent proxy servers, mobile agent self - safe, safe transfer and control and timestamp, md5, dsa, identity authentication, digital signature etc. the insecure, single problems are resolved gradually, the whole safe framework needs to synthesize the consideration and form further

    由於很多安全問題之間也有互制約,只能根據實際情況,找到最適合實際需要的安全策略。接下來某些關技術,諸如動agent之間, agent與主機、代理服務器之間的安全存取資源,動agent自身保護,安全地傳輸與制,安全的通信,時間戳技術,消息摘要,數字簽名身份認證等安全策略,進行較詳細的剖析研究。
  8. So, in the paper, proceeding from the automatic control of extrusion velocity and based on the basic control strategy presented firstly, the relation among parameters of the process such as pressure, temperature and displacement is investigated, and the model of the process has been built using system identification method. then, a corresponding controller is designed together with its control algorithm, and the control system is proved viable and effective by the results of simulation on the control system. in the end, the problem of the realization of the control system is discussed by using modularization method. the hardware of the control system is designed and a sofeware with a perfect manmachine interface is developed, too

    因此,本文從擠壓速度的制出發,首先探討並確立了本系統的基本制策略;然後根據此制策略的必然要求,該工藝擠壓過程所涉及到的擠壓力、溫度、擠壓軸位等參數間的關系進行了深入研究,利用系統辨識方法建立了擠壓過程關階段的數學模型;在此基礎上完成了應的制器設計,給出了制演算法,並所設計的制系統進行了模擬。
  9. 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電路參數的設計準則和外特性曲線;分析了系統穩定性,並逆變器高頻環節原理進行了數學分析。
  10. Take european dvb - s standard applied to various satellite broadcast for example, the channel coding structure charts is established. the theory of modulation mode of qpsk and forward error correct including rs coding, convolutional coding, energy dispersal and interleaving are reseached. 4

    以歐洲的dvb - s適用於多種衛星廣播系統的標準為例,建立了通道編碼的結構圖,數字視頻廣播中的前向糾錯(包括了rs碼,卷積碼、能量擴散和交織技術)和調制方式四調制進行了研究。
  11. Absolute phase shift keying apsk

  12. Absolute phase shift keying

  13. Ijf - oqpsk is actually to modulate the ijf codes by the offset quadrature phase shift keying

    Ijf ? oqpsk實際上是ijf信號再進行正交四的調制技術。
  14. To solve this problem, this thesis will focus on investigation of the following detection methods based on the features of the dsss signal and with the binary - phase - shift - keying dsss ( dsss / bpsk ) signal as an example. 1. the power spectrum of the dsss / bpsk signal is discussed and the detection performance in each power spectrum estimation method is compared in terms of nonparametric methods, parametric methods and subspace methods in power spectrum estimation

    本文針這一問題,從dsss信號特徵出發,以二進制的直接序列擴頻( dsss / bpsk )信號為例,研究了以下檢測方法: 1 .從功率譜估計的非參數方法、參數方法和子空間方法入手,討論了通過不同類型方法估計的dsss / bpsk信號功率譜,並比較了各功率譜估計方法應用於dsss / bpsk信號檢測的性能。
  15. Power bond graph is used to established the bond graph model of the lifting and dropping of hydraulic pile hammer and state space equation in the paper for hydraulic pile hammer is perplexing nonlinear system. in order to attain the graph that pressure, position, velocity, acceleration vary with time in the course of driving pile simulation procedure solving state space equation is designed on the basis of combining four - order runge - kutta method with predicator - corrector method, dynamic simulation of the hydraulic system is studied in matlab 6. 5. it is convenient to analyse dynamic characteristics of the hydraulic syste m, beneficial to the design and parameter optimization of the hydraulic system. in the final part of the paper, under detailed analysis of the control characteristics for double - acting hydraulic pile hammer with double cylinders, control system based on the programmable logic controllers founded on technology of modern compute is designed

    由於液壓打樁錘液壓系統是一個復雜的非線性系統,本文採用功率合圖法建立液壓打樁錘上行、下降的合圖模型和狀態空間方程,通過四階龍格?庫塔法和預估?校正法結合編制了模擬程序狀態空間方程求解,在matlab6 . 5中進行液壓系統的動態模擬,獲得液壓打樁錘運動過程中壓力、位、速度、加速度等隨時間變化的曲線圖。此曲線圖方便了液壓系統動態特性分析,為液壓系統的設計和參數優化提供了有益的借鑒。最後,在深入分析雙缸雙作用液壓打樁錘制系統的功能要求后,採用了以現代計算機技術為基礎的新型工業制裝置? plc可編程式制制器,設計出了雙缸雙作用液壓打樁錘的電器制系統。
  16. 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天線陣系統,陣天線中的關元件單環非互易鐵氧體器進行了研究。
  17. Tell us about the game, quite simple, the player mobile mouse control hand sprayers, facing the screen above the fallen from the checkpoint is part of a bottom - up click on the menu insects, pesticides can be sprayed. screen similar to sink the tube

    介紹一下游戲方式,當簡單,玩家動鼠標制手上的噴霧器,著畫面上方落下部分關卡是由下往上的蟲子點擊左,噴灑殺蟲劑即可。
  18. Multi - uesr detection ( mud ) refers to signal detection in multiple access communications. this detection has many good properties, such as decreasing multiple access interference, canceling out or moderating near - far resistance, able to decrease the requirement for output control, compensating the effects due to inoptimal orthogonality, improving system performance and increasing system capacity. mud is one of the methods that can overcome the mai in cdma with most potential and complete and becomes one of the critical techniques in the third generation mobile communication

    多用戶檢測是指多址通信中的信號檢測,具有抑止多址干擾;消除或減輕遠近效應;可適當降低功率制的要求;彌補擴頻碼互關性不理想造成的影響;改善系統性能,提高系統容量等眾多優點,是克服cdma多址干擾最有潛力、最徹底的一種方法,並已成為第三代動通信標準中倡導的關技術之一。
  19. A full - digital demodulation technique is introduced in this paper, which can make it easy and quick to design and achieve binary phase shift keying ( bpsk ) demodulator, and also can reduce the requirement of the oscillator frequency precision and the degree of stability of the receiver

    本文介紹了一種適合於用數字信號處理器( dsp )實現的全數字解調技術。該技術能方便、靈活地設計實現二進制( bpsk )解調器,而且使用該技術可以大大降低接收機本身的振蕩頻率精度和穩定度的要求。
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