自差接收法 的英文怎麼說

中文拼音 [chājiēshōu]
自差接收法 英文
autocyne reception
  • : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
  • : 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...
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 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,本文給出的適應變步長閉環功率控制演算利用rake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
  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

    為實現盲適應檢測,通常採用對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,在跟蹤演算中考慮一些實際情況而作出近似處理,從而引起誤積累和正交性誤,導致每次跟蹤開始階段跟蹤速度變慢。
  3. 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

    多站時定位系統也有其身要解決的關鍵技術和難點:多站之間的時間、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
  4. 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,該方對陣形和陣元指向性沒有任何限制;分別提出了基於陣列數據重采樣、基於dft插值和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,對于每一種設計方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寬帶適應陣列演算,該方可以大大降低適應陣列的運算量。
  5. 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,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;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,探尋目前我國城鄉距加大、農民增緩慢的政策原因,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,闡明己的見解。
  6. 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的關系;以適應單載波中高階累積量調制方式盲檢測演算為例,對于載波同步誤引起的頻偏問題,提出一種基於頻偏穩健的mdpsk信號調制方式盲檢測演算;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,該演算可以估計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適應機結構,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適應變化的信號的正確
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