自差接收 的英文怎麼說

中文拼音 [zìchājiēshōu]
自差接收 英文
autodyne reception
  • 自 : Ⅰ代詞（自己） self; oneself; one s own Ⅱ副詞（自然;當然） certainly; of course; naturally; willin...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 收 : Ⅰ動詞1 （把攤開的或分散的事物聚集、合攏） put away; take in 2 （收取） collect 3 （收割） harvest...
  • 接收 : 1 （收受） receive; reception; accept; [電學] receipt; receiving 2 （接管） take over; expropriat...
  1. As the application of rake receivers with multitaps is widely used in cellularcdma systems for exploiting path diversity, the closed - loop power control schemesshould make use of the multitap rake receivers for tracking the power variation dueto path loss, slow fading, and fast fading

    同時，本文給出的自適應變步長閉環功率控制演算法利用rake接收機跟蹤通道的變化，與傳統的固定步長閉環功率控制相比獲得了較小的ebi0標準差。
  2. It is especially attractive for the downlinks and suppressing intercell mai. when multiuser detector is adapted in blind mode, it usually adopts eignvalue decomposition or singularvalue decomposition of received sample correlation matrix and tracking alrithgms, which result in high computational complexity. at the same time, approximation computation in tracking alrithgms also result in slow convergence

    為實現盲自適應檢測，通常採用對接收信號樣本矩陣進行特徵值分解（ evd ）或奇異值分解（ svd ）后進行跟蹤，由此帶來的子空間秩跟蹤使得實現復雜度很高；另一方面，在跟蹤演算法中考慮一些實際情況而作出近似處理，從而引起誤差積累和正交性誤差，導致每次跟蹤開始階段跟蹤速度變慢。
  3. This design keep the twice frequency transform and the superheterodyne structure in analog receiver, and use programmable direct digital synthesizer ( dos ) in rf section. use this method, we can not only inherit the advantage of high sensitivity and high selection in traditional design, but also improve the automation of the equipment

    該方案保留了原模擬接收機二次變頻的超外差結構，在射頻前端利用了可編程的數字頻率合成器（ dds ） ，這樣既繼承了原接收機的高靈敏度，高選擇性的優點，又提高了它的接收機自動化特性。
  4. Our pupils come from families in all walks of life ; no one who has been refused admittance here has been the victim of class distinction

    我們的學生來自社會各階層的家庭；拒絕接收的學生中沒有誰是階級差別的犧牲品。
  5. The key problem to be solved in multi stations tdoa system is spatial and time synchronism between stations, weak signal detection and solution for high precision location equation

    多站時差定位系統也有其自身要解決的關鍵技術和難點:多接收站之間的時間、空間的同步問題，目標回波的弱信號檢測問題，高精度的定位方程組求解方法。
  6. Secondly, the dissertation presents a 3 - dimensional searching method with afc and pn code synchronization and adaptive array convergence in order to accurately estimate the frequency difference between the received signal and the local oscillator

    其次，為了準確估計接收信號和本地振蕩器之間的頻差，提出了afc 、 pn碼同步、自適應陣收斂的三維搜索策略。
  7. Through the theoretical analysis and investigational research, the results indicated : ( 1 ) the students of one - child family or whose family has more income were better on self - value than those who was not only - one child or whose family has less income, but there was no significant difference among those on self - acceptance. the higher the parents " educational level, the better their children accept themselves

    研究結果發現： （ 1 ）獨生子女的自我評價顯著高於非獨生子女；家庭收入越高的孩子，越傾向于做出較高的自我評價，但在總體的自我接納上，獨生與否及家庭收入的高低對個體的影響並未形成顯著差異；父母受教育水平在大學以上者，其子女的自我接納水平明顯的高於受教育水平在高中以下者。
  8. This method is easy to implement and has no restriction on array geometry and sensor patterns ; three methods for the design of broadband frequency invariant beamformer are proposed, which are the method of resampling signals received by the array, the dft ( discrete fourier transform ) interpolation method and adaptive synthesis method, respectively. examples and performance analyses are given for each method ; a simplified linear constrained minimum variance broadband adaptive algorithm that based on dft interpolation method is presented. compared with conventional broadband adaptive algorithms, the presented method can reduce computation work greatly

    提出了一種簡單、易於實現的恆定束寬波束形成器設計方法，該方法對陣形和陣元指向性沒有任何限制；分別提出了基於陣列接收數據重采樣、基於dft插值和自適應綜合的三種具有頻率不變波束圖的寬帶波束形成器設計方法，對于每一種設計方法都給出了一個設計實例並做了性能分析；提出一種基於dft插值的簡化線性約束最小方差寬帶自適應陣列演算法，該方法可以大大降低自適應陣列的運算量。
  9. The first part of the thesis set forth the essential theory of agriculture protection based on the essential status and weakness of the agriculture. point out that it ' s necessary to use the finance to sustain the agriculture for many reason such as the shortage of agricultural resource, the redundancy of the supply to the industy, the challenge and the rule after the wto entry and the task of well - off construction. the second part of the thesis analyze the actuality of the agriculture sustain and protection from the three aspect - the scale, the construction and the effect of expend for the agriculture sustain and protection, search the policy reason such as the increasing gap between the urban and the country and the slow speed of peasant ' s income, investigate the series of problem such as the small investment scale, irrationality for the construction, the disorder for the fund management and the imbalance assignment for the budget

    本文採用理論研究與實證分析相結合的方法，以農業的基礎地位和弱質性為起點，闡述了財政支持保護農業的基本理論，提出由於我國農業資源相對匱乏，過去曾為工業提供積累過多，以及入世以後所面臨的諸多規則、挑戰和當前我國推進全面小康建設的艱巨任務，使得財政支持保護農業成為必然；接著就財政對農業支出的規模、結構和效果，分析我國財政支持保護農業的現狀，探尋目前我國城鄉差距加大、農民增收緩慢的政策原因，深入研究了財政支農方式上的投資規模小、結構不合理、資金管理混亂、資金預算安排不平衡等問題；著重從財政投入政策、農產品價格和收入政策以及進出口政策三個方面對國外財政支農政策進行了分析和借鑒，突出完善我國財政支持保護農業發展的對策，並結合我國農業發展的實際水平，借鑒國外經驗，闡明自己的見解。
  10. For instance, increase in rates and fuel duty strike the middle class salaries families most directly. for many, end results of government action is often to " put money into the taxpayers pocket with the right hand, and take it away at once with the left hand "

    例如，差餉和汽油稅等，對中等收入家庭影響最為直接，政府可能在不自覺間，由右手向他們塞錢入袋，而左手卻又馬上掏走，說到底得益十分有限。
  11. Notwithstanding the provisions of ucp500, if we give notice of refusal of documents presented under this credit we shall however retain the right to accept a waiver of discrepancies from the applicant and, subject to such waiver being acceptable to us, to release documents against that waiver without reference to the presenter provided that no written instructions to the contrary have been received by us from the presenter before the release of the documents

    雖然ucp500的準備，如果我們給文件的拒絕注意在這之下呈現具有我們將然而保有權利接受來自申請者及的相差一個棄權聲明書，對美國可接受的對如此的棄權聲明書的主題，到對贈送的對抗沒有叄考的那個棄權聲明書的釋放文件提供沒有對相反者的書面指令有在文件的釋放之前被來自贈送的美國收到。
  12. Also it has great effects on economy increasing, foreign trade, the form of the cost, employment etc, and the most important is fdi brings the life for western developing, but we should clear the num and quality of fdi between east and west are completely different because of these factors such as policy, environment, structure, minds, efficiencies etc. thus in order to short the gap we need improve the investigation environment, shift minds and try to develop ourselves through fdi

    它對我國的經濟增長、對外貿易、資本形成、就業、國際收支都產生了巨大的影響，尤其重要的是，外商直接投資給西部經濟的發展注入了活力。但是，應該看到，外商直接投資在我國的東西部之間有著數量、質量上的差異，形成這些差異是由於政策因素、環境因素、結構因素以及觀念和效率因素等多方面的原因。因此，要縮小差距，必須改善投資環境，更新觀念，以力求西部在利用外資的過程中求得自身的發展。
  13. The receiver unit mainly consisted of the digital down converter, matched filter, integration and dump module, power detector, symbol tracking processor, differential demodulator, parallel - to - serial conversion module, output processor and afc module

    接收部分主要有數字下變頻、數字匹配濾波器、積分清洗、功率檢測、符號跟蹤處理、差分解調、並串處理、自動頻率跟蹤處理等模塊。
  14. Jackson wanted bynum to keep working on his post moves, and he also drew the distinction between bynum fighting for his own baskets as opposed to connecting on easy dunks off well - placed lobs from teammates

    禪師希望他可以繼續努力練習禁區內腳步移動，同時也提了一個差別：拜納姆在爭取自己的投籃機會的路線和接收隊友傳球后輕松灌籃是不一樣的。
  15. Radial basis function neural network ( rbfnn ) is chosen to build predictive model. rbfnn is a special type of neural network linear - in - weight in nature and having nonlinear processing properties. finally, an adaptive filter is applicable to do the followed weak signal extraction work

    接著選用徑向基函數神經網路（ radialbasisneuralnetwork ， rbfnn ）建立混沌時間序列預測模型，徑向基函數神經網路是一種局部逼近的人工神經網路，訓練簡潔而且學習收斂速度快，能夠逼近任意非線性函數，最後將預測誤差送入自適應信號分離器進行處理，檢測出微弱信號。
  16. Take the hoc based blind modulation detection algorithm as an example, the relationship between the blind modulation detection algorithm and synchronization is investigated. an unproved detection algorithm robust to frequency offset is proposed which solves the problem caused by the error in carrier synchronization. how to synchronize a received signal with unknown modulation type is studied and a blind algorithm to estimate symbol timing of the signals with unknown modulation type is presented

    研究了載波同步和碼元定時同步與調制方式盲檢測演算法的關系；以自適應單載波中高階累積量調制方式盲檢測演算法為例，對于載波同步誤差引起的頻偏問題，提出一種基於頻偏穩健的mdpsk信號調制方式盲檢測演算法；對于未知調制方式信號的定時同步問題，提出一種盲定時估計演算法，該演算法可以估計mdpsk和mqam信號的定時同步信息，實現數字信號的同步分類；提出了一種基於調制方式盲檢測的自適應接收機結構，把調制方式盲檢測，信噪比估計和同步解調聯合起來進行，實現調制方式隨通道質量而自適應變化的信號的正確接收。
分享友人
分享到 Line

分享到臉書