行同步鎖相 的英文怎麼說

中文拼音 [hángtóngsuǒxiāng]
行同步鎖相 英文
phase line lock
  • : 行Ⅰ名詞1 (行列) line; row 2 (排行) seniority among brothers and sisters:你行幾? 我行三。where...
  • : Ⅰ名詞1 (步度; 腳步) pace; step 2 (階段) stage; step 3 (地步; 境地) condition; situation; st...
  • : Ⅰ名詞1 (安在開合處使人不能隨便打開的器具) lock 2 (姓氏) a surname Ⅱ動詞1 (上鎖) lock up 2 ...
  • : 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. 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 )進了模擬工作並給出了模擬結果,時討論了碼元定時誤差對環路工作的影響並根據流星通信中使用變速率傳輸時環路的載波性能進了測試;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軟體完成了載波的位跟蹤。
  2. The third, after theoretically analyzing, the following practicable methods are put forward : 1 ) automatically pick - up the synchronous information by analyzing the spectrum of intercepted video - leaking information ; 2 ) realizing the phase lock and the electronic image stabilization by integral - projection and differential - positioning ; 3 ) improving the effect of accumulation mean filter and the pectination filter by using electronic image stabilization ; 4 ) automatically adjusting image acquisition parameters by detecting the image entropy, therefore the quality acquired image is improved ; 5 ) to realize the quantitative test of a leaking extent, a standard test picture was designed. finally, a proto type for leaking information processing based on our techniques mentioned above and the virtual instrument principle was designed and tested

    在理論分析的基礎上,提出了以下的實用技術: 1 )用譜分析方法從截獲的信息中自動提取信息; 2 )用積分投影、微分定位的方法進位檢測,實現可靠的和電子穩像; 3 )將電子穩像技術用於重加濾波和梳狀濾波的濾波方法,改進了濾波效果; 4 )通過檢測圖像信息熵實現圖像採集參數的自動調整,改進了圖像採集的質量; 5 )設計了用於儀器定標的標準測試圖,可以對泄漏信息進定量檢測。
  3. The author suggested that the szg corp would developed the drugstore chain scale gradually, especially on the immanent scale ; enforcing the building schema of brand differentiation and improving the brand acceptability ; the main problems in the drugstore chain brand marketing, such as pricing tactics, merchant diversification, service marketing, manufacturing and selling the own line of drug products, combining the store sales and no store sales, building the public relations, and then proposed the single drugstore how to do in the brand marketing

    最後,作者根據關理論和實際經驗,在時珍閣連藥店經營發展中提出以連品牌的建設為重點的連藥店發展思路,穩發展連規模,特別是注重內涵式規模的發展;實施差異化品牌建設方案,提高企業品牌的美譽度;在連藥店的品牌營銷中注意價格策略、多元化經營、服務營銷、自有品牌產品的發展、有店鋪與無店鋪營銷的結合、公共關系的建設等幾個方面,時提出了單個藥店進品牌營銷的多種方法。
  4. Because massive harmonic interference in the electrical network, it causes signal - sampling to include the very big harmonic in the measurement system, for eliminating measurement result influence by harmonic, the paper has an in - depth study of fourier transformation harmonics analysis measurement principle, analysis the forming reasons of frequency spectrum leakage and railing effect during measurement, achieves phase locked loop and frequency multiplier technique to realize integer - period synchronous sampling and eliminate impact of frequency spectrum leakage and railing effect in the result of measurement, and investigates in depth theory on phase locked loop and frequency multiplier technique, gives the method of realizing phase locked loop and frequency multiplier technique

    由於電網中存在大量的諧波干擾,導致測量系統中取樣信號也含有很大的諧波,為了消除諧波對測量結果的影響,論文深入研究了傅立葉變換諧波分析法的測量原理,分析了測量中頻譜泄漏和柵欄效應形成的原因,提出了採用環倍頻技術實現信號的整周期采樣,消除頻譜泄漏和柵欄效應對測量結果的影響,並對環倍頻技術的理論進了深入研究,給出環倍頻技術的實現方法。
  5. For digital audio encoding and decoding modules, delta - sigma modulation is introduced and audio data, preambles with accessorial data are multiplexed according to the digital audio interface standard ; for carrier wave, pll frequency synthesizer is used ; for frequency modulation, voltage control oscillator is taken ; for demodulation, pll frequency discrimination is adopted

    調制方式,並按照數字音頻介面標準對音頻數據、字和附加信息進通道復用;對于載波信號,採取環頻率合成技術手段;對于頻率調制,採用壓控振蕩器;對于解調電路,採取環鑒頻電路。
  6. In this thesis, phase - locked loop ( pll ) technogies are used to acquire phase of fundamental current in bais current, which enhances the detecting precision of bais current. and we want the phase of bais current and the phase of system current is the same, so this thesis think of locking the phase of bais current which based on this theory to sure the security and the reliability of apf

    本文採用技術,以獲得畸變電流中基波電流的位,進一提高了畸變電流的檢測精度,並據此原理考慮定補償電流的位,使補償電流與系統電流,保證apf安全可靠運
  7. The principle and structure of pll ( phase - locked loop ), including fll and loop filter, are analyzed and described. the module of carrier synchronization in the all - digit ds - qpsk receiver was carried out in the fpga chip. the problem about the estimation and track of the correlative carrier frequency under high dynamic circumstances was resolved very well

    針對某遙測遙控全數字接收機的研製,對干載波中的環、頻環、 dpll 、本地nco等進了詳細的分析和優化設計,在fpga上實現了高動態全數字ds - qpsk接收機中的載波模塊,解決了大范圍和動態多普勒頻移下接收機的干載波提取與跟蹤問題。
  8. In this paper, consulting the idea of software radio and using the three important theories of maximum mean power estimate ( mmpe ) for symbol synchronization algorithm, the kalman decision - feedback equalization ( dfe ) algorithm and the decision - feedback phase lock loop ( dfpll ) algorithm, a kind of low frequency digital demodulate scheme over high - frequency ( hf ) radio channels for 8psk signial is realized

    本文利用軟體無線電的思想,提出了一種hf通道8psk信號低頻采樣數字化解調方案。討論了實現該方案的三個核心演算法:最大平均功率定時演算法、判決反饋式環和卡爾曼均衡器,分析它們的基本理論,並進了性能測試。
  9. Phase - lock part of the system was simulated in system view that is a eda tool, including picking - up carrier synchronization algorithm and designing filter, etc

    系統採用干解調方法,載波採用costas環,在系統開發過程中,利用eda工具systemview對部分包括載波演算法和數字濾波器設計等內容進了模擬分析。
  10. An idea is brought forth to design the total structure of the usb interface ip, the main control logic, the mcu interface ( the function is the same as the pdiusbd12 chip of the philips semiconductor ) and a dpll which is used to synchronize data and separate the clock. this paper also introduces packet recognition, transaction sequencing, sop, eop, reset, resume signal detection / generation, nrzi data encoding / decoding and bit - stuffing, crc generation and checking ( token and data ), packet id ( pid ) generation and checking / decoding,

    提出設計了usb介面電路的整體構架,設計了usb的主要控制邏輯和與mcu的互連的介面(此介面與飛利普的usb介面晶元pdiusbd12兼容) ,也設計了一個數字環( dpll )來數據和分離時鐘,並對模式的識別、并/串列轉換、位填充/解除填充、 crc校驗/產生、 pid校驗/產生、地址識別和握手評估/產生做了具體的分析。
  11. Failure to synchronize access properly in the same or different application domains can lead to problems such as deadlocks in which two threads stop responding while each waits for the other to complete and race conditions when an anomalous result occurs due to an unexpected critical dependence on the timing of two events

    如果在或不的應用程序域中未能正確地使訪問,則會導致出現一些問題,這些問題包括死和爭用條件等,其中死是指兩個線程都停止響應,並且都在等待對方完成;爭用條件是指由於意外地出現對兩個事件的執時間的臨界依賴性而發生反常的結果。
  12. In chapter 1, the basic principle and structure of the integrated anti - interference data transmission system are introduced. in chapter 2, the theory of maximum likelihood ( ml ) carrier synchronization parameter estimation ( frequency estimation and phase estimation ) are expatiated, and the closed - loop recovery methods ( phase - locked loop, pll ) and some other arithmetic in common use are introduced

    第二章對最大似然( ml )載波參數估計(頻率估計和位估計)理論進了闡述,對常用的閉環恢復法即環( pll )法和一些載波參數處理方法進了介紹,並對常用的載波頻率估計方法作了分析比較。
  13. But this logic does not mean that any society or country will obey it, for example, many socialist countries adopted the planned economy and state - owned firm system, which brought about some negative influences on rampant moral hazards, adverse selection and especially could not tells any one ' s benefits or costs from others ", the state - owned firm could not try it best to prompt any one to work hard in the planned economy, so most socialist countries have experienced the failure of the socialist planned economy and have now begun a market - oriented reform program, the aim is to clearly separate one ' s benefits or costs from other ' s and make full use of people ' s talents, that is to say, how to scientifically select firm systems to make full use of capital and other resources is the goal of thesis

    這也預示著在很大程度上人們不能僅根據自己的主觀願望,而強制性地推在某一環境之中取得成功的制度來替代既有的制度;否則,極有可能適得其反。當然,這並不表明人們只能被動地等待新制度的自發產生、發展,而是完全有可能通過誘致性和強制性兩種方式來實現制度的變遷,以滿足不主體的利益需要。但現在的問題是為什麼在不的國家會有著各具特色的佔主導地位的企業制度,而與此對應的則是各國的經濟與科技發展成就也有著高低不的差異,有的國家經濟發達,技術進神速;而有些國家則剛好反,長期被定在落後狀態,其內在根源究竟是什麼
  14. Based on the large disturbance equation and using the measured power angle as an observation argument in an identification algorithm, the electrical parameters and mechanical parameters are obtained. in this thesis, micro - computer testing systems for synchronous generator is analyzed. withmcs - 196 series single chip micro - controller of high price performance ratio, a high precision, intelligent instrument for automated testing has been developed

    設計了發電機參數測試儀器,完成了利用發電機定子電壓電流的波形,辨識發電機參數的計算機軟體,該裝置運用環技術自動跟蹤和獲取電量頻率,進交流采樣,利用傅立葉演算法求得電量基波的幅值、有效值,從而可獲得三有功功率、三無功功率以及功率因數。
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