頻率跟蹤器 的英文怎麼說

中文拼音 [bīnlǜgēnzōngqì]
頻率跟蹤器 英文
frequency tracker
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 跟 : Ⅰ名詞（腳的後部或鞋襪 的後部） heel Ⅱ動詞1 （在後面緊接著行動） follow 2 （指嫁給某人） be marrie...
  • 蹤 : 名詞（腳印; 蹤跡） footprint; track; trace; trail
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 頻率 : frequency; rate
  • 跟蹤 : follow the tracks of; tail after; following; follow up tracing; track; tracking; trail; lock on; ...
  1. Adopt dual cooperative control technology and frequency automatic following control, the protective performance is more complete and its reliability is much higher, low heat penetrating effect of frequency is good

    200型主要特點：採用雙調控技術，頻率自動跟蹤控制，保護性能更完善，機器可靠性更高，頻率低透熱效果好。
  2. The core instrument for frequency - following is the pll. the dsp is used to realize the regulating of the dead time on - line

    用鎖相環作為頻率跟蹤的核心器件，根據最佳死區的理論，用dsp實現死區的在線調節。
  3. In the next place, by studying the change of the resonant frequency of the whole system, this paper designs the circuit to track the resonant frequency of the system by cd4046 mainly. at the same time, in order to improve the efficiency and get better dynamic capability of the converter, we choose pll and fuzzy control after comparing the pll circuit, fuzzy circuit and pll ? fuzzy control circuit. in the end, this paper brings forward the control blue print to realize the drive control circuit of the high frequency converter, using the dsp chip as the key part to realize four routes of pwm drive pulses with dead band of the control system

    其次，通過對整個系統諧振頻率變化的分析和研究，設計了以鎖相環cd4046為核心的鎖相環控制電路，同時，在綜合比較鎖相環控制、模糊控制以及模糊控制和鎖相環復合控制三種控制演算法的基礎上，進行了系統模擬，得出採用復合控制可使跟蹤電路既具有鎖相環路較好的穩態性能，又擁有模糊控制較好的動態性能，系統魯棒性能好，同時也提高了逆變器的效率。
  4. It is discoverde that with a looped feedback circuit, the dds acousto - optic mode locking has the function of tracking the frequency interval of the laser resonator longitudinal mode, and stabilizing the quality of the laser beams

    Dds聲光鎖模器在增加閉環反饋環路后，可以跟蹤激光諧振腔縱模頻率間隔變化，穩定激光光束輸出質量。
  5. The specific research methods are listed : 1. matched filter taking the max ouput snr as the best rule correlates nonstop divided signal and divided echo to detect low snr target signal. then all one dimension divided correlation outs and done fft in portrait to leach interferential signal such as static or low rate mussy meaves, many pathway echo and so on and to take target ' s time difference and doppler frequency that combine parameters that target ' s direction taken from antenna and so on to implement target ' s orientation and tracking

    具體研究方法如下： 1 、採用以輸出信噪比最大為準則的最佳匹配濾波器來對分段的參考和目標信號作相關處理來檢測低信噪比目標信號，然後對一維分段相關輸出組作縱向傅立葉變換來濾除靜態或低速的雜波、多徑回波等干擾信號，並提取目標的時差和多普勒頻率，再結合由天線獲得的目標方向等參數，就可以實現目標的定位和跟蹤。
  6. It designed signal amplifying circuit, frequency tricking circuit, data sampling and keeping circuit. the choice of 12 bits high accuracy a / d integrated data sampling card made program simply, high flexible and expandable. and to each error which is likely to occur in high voltage capacity type equipment during the monitoring, analysis and judgement are given

    在硬體電路實現上，注意選擇信號傳感器；合理設計了信號放大電路和濾波電路；設計了頻率跟蹤電路，數據采樣/保持電路；結合軟體控制選用了12位高精度的a / d轉換器，使軟體編程簡化且具有較高的靈和性和可擴展性。
  7. In this dissertation, we studied the tcra1101plus total station position system, which introduced the principle and characters of the instrument ' s closed loop tracking system. also we explained the cause of prism ' s position error and brought forward mathematic model to correct, moreover, the good results has been drawn form the expenriments. the kinetic survey system have been realized, which the sampling rate attain more than 5hz and the position precision can be less than 2mm on condition that targeted - point moving slowly at the velocity below 2cm / s. having finished the survey system to examine whether the fine - tuning stewart platform in good status, we have finished mensurating the position reference of the fine - tuning stewart platform and the offset of the prism

    在此基礎上研製了多臺儀器在線控制高頻采樣動態跟蹤測量系統，采樣率大於5hz ，在跟蹤小於2cm / s低速運動目標時，測量精度好於2mm ；完成對饋源二次精調系統的檢測，包括對二次精調平臺位置基準的標定和觀測棱鏡偏心差的測定；設計不同動態測量實驗，對全站儀動態跟蹤的誤差來源和特點進行了分析；從實驗角度，對全站儀的測量時滯及其穩定性進行了測試分析，給出了定量的結果；比較了全站儀和計算機的內部時間系統，發現兩者存在較大差異。
  8. In this paper, a new control strategy based on the adaptive deadbeat voltage space vector is presented. this control scheme has a lower sample frequency and a smaller difference between switch frequency and sample frequency. it has many advantages, such as producing zero vectors organically, tracing exactly, non - shaking, etc. and its dynamic response is better

    對于電能質量調節器來講， pwm跟隨指令參考信號的控制性能在很大程度上影響著裝置的補償效果，本文選擇無差拍電壓空間矢量控制為系統控制策略，這種控制方法具有采樣頻率低，開關頻率與采樣頻率的差距小，能有機地產主零矢量、跟蹤精確以及無抖振等優點，動態響應快。
  9. The some fire control system is an advanced multi - senor short range air defense system, which integrated both x and ka bands searching and tracking radars, laser range finder, combined the control computer of subsystem with the master computer, and applied the technology of data fusion

    摘要某火控系統集兩個頻率波段的搜索雷達、跟蹤雷達和電視跟蹤器、激光測距機於一體，分系統控制處理計算機與系統主計算機相結合，採用了數據融合技術，是一部多傳感器集成的現代化防空系統，具有搜索性能好、反應時間快、抗干擾能力強、自動化程度高、使用性能好等特點。
  10. And the selection and design of switch - in module, switch - out module, communication module, clock module, data storage module, keys module and frequency detecting module are also discussed

    論文中還給出了開關量輸入、開關量輸出、通信模塊、時鐘電路、數據存儲器、按鍵電路和頻率跟蹤電路等各功能模塊的選擇方法和設計原理。
  11. It " s very necessary to design and utilize the drive circuit of high frequency power mosfet, power regulation circuit and frequency - tracing circuit as three very important parts in control system of induction heating power supply. all those provide some experience for the designing and debugging of electrical source, reducing the cost and advancing efficiency

    本課題就是基於這種需要，研究高頻（ 1mhz 3mhz ）情況下採用功率mosfet為主開關器件的串聯逆變電源的頻率跟蹤控制電路，因此高頻情況下功率mosfet的驅動電路、頻率跟蹤電路以及功率調節電路等成為主要的研究對象，這些為以後電源裝置的設計調試、減少器件成本及提高工作效率提供良好的前期準備。
  12. Ft frequency tracke

    頻率跟蹤器
  13. Abstract : a new technology of frequency tracking and synchronizing is given in this paper at the first time. this technology is digital non - temporarystate frequency tracer, in which digital and logical circuit is adopted to accomplish frequency - tracking and synchronizing accurately. it has some advantages such as simple circuit, adjustable relationship of inpur and output, no temporart state procedure, so this technology has wide application foreground in electrical technology and modern communication field

    文摘:提出一種新的頻率跟蹤技術? ?數字式無暫態頻率跟蹤器，該技術採用數字邏輯電路實現了頻率精確同步跟蹤，具有電路簡單、輸入輸出頻率關系可調、沒有暫態過程等優點，在電子技術和現代通信等科技領域具有廣泛的應用前景。
  14. The paper designs a more lpf and a numberical filter to eliminate the error, and a frequency tracing tache because system frequency fluctuates ceaselessly. this guarantes synchronization sampling

    為了消除頻率混疊帶來的誤差，專門設計具有較好性能的低通濾波器和數字濾波器；由於系統頻率波動性，設計有硬體電路組成的頻率跟蹤環節，最終實現采樣周期和信號周期同步。
  15. Accuracy of the measurement system is verified by standard signal sources. frequency tracking error does not reach 50hz. the measurement system has merits of visual display and high accuracy, which is an ideal measurement system for dual - path saw mass sensor

    應用標準信號源驗證了測量系統的精確性，頻率跟蹤特性誤差在50hz以內。該測量系統顯示直觀，精度高，是雙聲路聲表面波質量傳感器理想的測量系統。
  16. The basic operation principle of phase - locked frequency synthesizer and the type of circuits are expatiated systematicly in this paper. the principle of operation on sampling phase detector and some characteristics including the linear tracking and phase noise in phase loop circuits are analyzed deeply. the research is emphased on the theory and design method of circuits in the sampling phase - locked frequency synthesizer. then, the expansion capturing circuit is analyzed and designed for better performance of capturing loop circuits. at last, the loop filter is also analyzed and contrived taking account of effection of additional phase shift by the sampling - holder. the general research on the theory and technology of sampling phase lock in the paper will make a basement for the development of new product

    本文系統的闡述了鎖相頻率合成器的基本工作原理及電路類型；較深入地分析了取樣鑒相工作原理及電路、鎖相環路的線性跟蹤特性和相位噪聲特性；重點對取樣鎖相頻率合成器電路理論和設計方法進行了研究；為了改善環路的捕獲性能，對擴捕電路進行了分析和設計，並用wewb32軟體對電路進行了模擬；考慮到取樣保持器的附加相移影響，對環路濾波器進行了分析和設計。
  17. 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。
  18. In the course of the design, critical technologies are applied, such as digital phase - locked loop, fast fourier transform algorithm, universal asynchronous receiver & transmitter, and so on. in the project, as a important component, the module of monitoring the buses " power quality takes a long time

    在設計過程中，使用的關鍵技術有：使用cpld模擬多路sspc多種狀態；在對匯流條電能質量的監測過程中採用頻率跟蹤技術? ?全數字鎖相環；應用fpga技術使用fft運算進行諧波分析；通用異步收發器等技術。
  19. In the realization of the inverter control circuit, the signal from the pll is input to ir2110 via adjusting phase and forming dead time. sg3525 is selected as the core device of the chopper. meanwhile. two pulse that will input to the chopper can be obtained by simple design. besides. the circuit of which core chip is dsp is described

    在逆變控制電路的具體實現中，用鎖相環作為頻率跟蹤的核心器件，經相位調整、死區形成等環節得到兩路觸發信號，輸入到ir2110中即可作為逆變器的驅動信號。
  20. In this paper, the reason of treating current as feedback is analyzed with circuit theory, the system of ultrasonic generator controlled with a single - chip computer and the realization methods of frequency tracking and amplitude stabilizing are introduced, the software of adaptive tracking and pid are completed

    本文用電路理論分析了電流作了反饋控制量的理論依據，介紹了發生器的結構、頻率跟蹤和恆幅輸出的實現方法，完成了變步長頻率跟蹤和pid恆幅控制的軟體設計。
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