電臺相對方位 的英文怎麼說

中文拼音 [diàntáixiāngduìfāngwèi]
電臺相對方位 英文
relative bearing of radio station
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 臺 : 臺名詞（指臺州） short for taizhou （in zhejiang province）
  • 相 : 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...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  • 電臺 : 1 （無線電臺） transmitter receiver; transceiver2 （廣播電臺） broadcasting station; radio statio...
  • 相對 : 1. （面對面） opposite; face to face 2. （非絕對的） relative 3. （比較的） relatively; comparatively
  • 方位 : position; bearing; direction; points of the compass; placement
  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 ）進行了模擬工作並給出了模擬結果，同時討論了碼元同步定時誤差對鎖相環路工作的影響並根據流星通信中使用變速率傳輸時鎖相環路的載波同步性能進行了測試；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軟體完成了載波的相位跟蹤。
  2. In the paper, i construct a software platform for the turbine and feedwater pump. the platform is an object - oriented system that can be extended by the other models. i have programmed the classes of the performance of the turbine and feedwater pump. besides, the software platform has the functions of giving alarms, the storage of data, the analysis of accident, configuration of chart, administrator operation, report, the query of history data. the paper has explained the methods of constructing the platform at the same time i set forth in details the connections of mis with dcs and distributing the performance data

    本文針對電廠開發了汽輪機與給水泵組性能分析與評價平臺，本系統平臺用面向對象方法編制，並與多位同學合作編寫了汽輪機與給水泵組與性能有關的多個模塊同時可以另外插入模塊擴充功能，此系統平臺還具有數據存儲、歷史數據查詢、報警處理、事故分析、曲線組態、管理員操作、數據報表等多種功能，此外，本文詳細闡述了平臺的構建過程並且詳細論述了dcs與系統的連接方法， activeform電廠設備性能數據網路發布的方法以及現今電廠流行的pi實時數據庫的深入開發與利用，並分別編寫了相應的程序。
  3. In practical studies, finally, a hybrid active power filter based on the digital signal processor ( dsp ) and intelligent power module ( ipm ) was set up, including a cycloconverter acem. based on the experimental set - up, plenty of experimental studies were conducted. the experimental results demonstrate that the self - adaptive technique, the topology of series connected hybrid power filter and the corresponding significant technologies described above are feasible and practical

    最後，實際研製了一套以dsp （高速數字信號處理器）和ipm （智能功率模塊）為核心的小功率混合型有源濾波裝置，在交交變頻acem實驗平臺上進行了全面的實驗研究，充分驗證了本文所提出的自適應同步相關濾波技術、優化混合型濾波器拓撲結構和有關的關鍵性技術的正確性和實用性，從而從理論到實踐全方位、成功地實現了對交流勵磁發電機輸出電力諧波抑制的研究。
  4. In the first part of this paper, the theory of laser range and dds technology was introduced, the factors of influencing range precision were also analysed. at the same time, put forward in the paper, with using the fpga embedded technology, the wideband and high resolution sin modulating signals can be generated easily, then analysed the noise of the dds ; in the second part, the theory of phase measurement based on fft was analysed. in the phase range system, by using the fft operation, the resolution and sensibility of phase measurement can be enhanced ; then some circuits were designed and come true, also simulated and validated ; in last part, the improvement of the phase range system was brought forward, summarized and expected

    論文首先闡述了激光測距和調制信號源的基本原理，分析了影響測距精度的因素，指出應用dds技術可以實現寬帶、高精度的調制信號輸出，說明了引起dds輸出信號雜散的原因和解決的辦法;同時分析了應用fft運算實現信號相位提取的基本原理及設計方法，採用這種檢相技術，可以極大地提高測相精度與靈敏度;然後提出了基於fpga嵌入式系統的相位式激光測距機的整體設計，並就各部分進行了詳細的分析與設計;接著介紹了激光測距系統的外圍電路和基於quartusii集成軟體平臺的部分硬體電路的設計，並對其中的設計進行了模擬和驗證;最後總結提出了對系統今後的進一步改進和完善的思路。
  5. The writer bases her research work on the most popular grid middleware globus toolkit, and takes grid platform of fault - handling of electric power as the application background, and her work includes : ( 1 ) researching into grounded theories of grid and key technologies of grid information service, and analyzing thoroughly the bottom implementation mechanism and related function interfaces of mds in gt3. 2 ; ( 2 ) analyzing the shortage of traditional fault - handling system of electric power, and putting forward the necessity of importing grid technology into this application domain ; ( 3 ) doing a thorough application analysis for the grid platform of fault - handling of electric power, and bringing up the architecture based on globus toolkit for this application domain, and then locating focus on the information service, finally designing and implementing the service information management module ; ( 4 ) successfully installing, configuring and testing gt3. 2 under the linux operation system, and establishing a simple virtual organization as a simulative grid environment ; ( 5 ) designing testing instances fit for the simulative grid environment, and developing grid services for testing related functions ; ( 6 ) summarizing the writer ' s research work, looking forward to the developing directions, and settling the base of succeeding work

    本文的研究工作圍繞網格信息服務展開。作者以現有主流網格中間件globustoolkit為基礎平臺，以電力故障處理網格平臺作為應用背景，進行了以下研究工作: （ 1 ）對網格基礎理論和網格信息服務的關鍵技術進行了研究，並深入分析了gt3 . 2中mds的底層實現機制和相關功能介面; （ 2 ）分析了傳統電力故障處理系統的不足之處，提出在該領域引入網格技術的必要性; （ 3 ）對電力故障處理網格平臺展開應用分析，針對該領域提出了基於globustoolkit的總體架構，然後將重點定位到信息服務上，設計並實現了系統的服務信息管理模塊; （ 4 ）完成linux平臺下gt3 . 2的安裝、配置和測試工作，並構建了一個簡單虛擬組織作為模擬網格環境; （ 5 ）針對模擬環境設計測試實例，編寫網格服務對相關功能進行了測試; （ 6 ）總結作者的研究工作，展望下一階段的發展方向，為后續工作奠定了基礎。
  6. How to maintain a good relation with professional channels ? the thesis discusses above issue from several aspects. firstly, the definition and character of mass - decentr alized communication and the reflection of composite channels " development by charts and figures ; secondly, the reasons why composite channels are still a main part of media market, outlining the causes from three hands : the character of chinese audience, the present situation of chinese channels, mainly in the ability of producing programs and the models of some foreign channels excelling in producing marketing and so on ; thirdly, the strategy of composite channels " development, including the choice of programs, the arrangement of channel structure and the marketing strategy of famous - brand in the composite channels

    全文主要從三個角度對綜合頻道的發展進行闡述：第一部分，概括了分眾化傳播時代的特點和實質以及用圖表、相關數據結合理論分析近年來1 ，國頻道發展過程中出現的一系列的問題:即電視劇仍是各頻道播出節目的主體、一}了日1司質化傾向嚴重、頻道資源的優化組合問題啞待解決以及頻道劃分不夠科學和合理，頻道定位不明確;第二部分，從中國電視受眾的實際情況（包括受眾的年齡、性別、教育程度、家庭收入、觀眾的收視行為、文化產品的消費習慣、思維習慣和收視心理） 、中國的媒介大環境（主要是節目製作能力） 、國外的傳媒環境（側重於abc7頻道和法國電視二臺的經驗分析）三個方一面闡釋綜合頻道仍能繼續發展、大有作為的原因;第三部分，也是全文最重要的部分?中國綜合頻道的發展，錢略。
  7. By the means of theory, simulation and experiment, the second part of this paper is then analyzed which is on the equivalent output resistance and inductance of the selected inverter and the effect to the output voltage ' s amplitude and phase caused by the different values of the inverter ' s component. it is concluded that by selecting certain precision level components, the difference of the output voltage amplitude is much greater than that of the output voltage phase

    其次通過理論、模擬和實驗分析了本文所採用的電壓電流雙閉環瞬時控制方式逆變器的等效輸出阻抗和兩臺逆變器器件差異對輸出電壓的幅值差和相位差的影響，從而得出選用一定精度的器件，兩臺逆變器輸出電壓的幅值差比相位差大得多的結論。
  8. Under the same restriction of a universal sdr hardware platform, the demodulation of linear modulated waveform, continuous phase ( no - linear ) modulated waveform, and multi - carrier modulated waveform, are investigated. corresponding to those three modulation schemes, bust mode mpsk, omsk, and ofdm signals are taken as the examples to implement a multi - mode sdr receiver, and results are presented

    本文在軟體無線電通用硬體平臺結構下，分析了線性調制方式、非線性連續相位調制方式和多載波調制的軟體接收機實現問題，分別以突發模式mpsk調制、 gmsk調制、 ofdm調制模式為對象，給出了具體的多模式接收實現方法和模擬結果。
  9. This paper put forward the realization method of a kind of multi - function general use inverter system which added other functions based on the independent sine wave inverter, it not only can be used as independent inverter power supply but can be used as an in - support mode ups which realize synchronous with the phase of power grid voltage and realize to switch with power grid mutually, it also can realize three phase ac output by the combination of three synchronous inverters, experiment proved it in this way has a stronger ability of resisting three phase unbalance load

    本文提出了一種基於獨立正弦波逆變器的功能之上復合其他功能而成的多功能通用逆變電源系統的實現方法，此系統不僅可以作為獨立逆變電源使用，還可以與電網電壓的相位同步，作為后備式正弦波ups使用，在逆變電源和電網的相互切換時能做到對負載無影響，同時還可以由三臺逆變器進行組合自同步實現三相對稱交流輸出，實驗證明這種方式具有較強的抗三相不平衡負載的能力。
  10. The measurement system can automatically control the movement of servo motor and communicate with vna through gpib bus to setup the measurement variable automatically, measure the phase of s parameter. it also can progress the measurement data on the background, display the results by graph data, store them in the data files

    系統自動控制伺服電機的運行，對測試探頭完成指定的移動定位;通過gpib總線與矢量網路分析儀器通信，自動完成相關測量參數的設置以及s參數的相位測量;對測得的數據進行后臺處理，將結果以圖形、數據文件的方式顯示、保存。
  11. The development of aero industry requires high - performance loading system, but now, the bandwidth of the equipment is only 8 - 10hz. in this thesis an single channel electro - hydraulic servo system is designed to validate. compare and explore different control schemes on restraining additional torque inherent in force loading system

    為了滿足飛行器系統模擬的需要，各相關單位對電液負載模擬臺的性能指標提出了很高的要求並提出了各種解決方案，但在滿足雙十指標的情況下一般達到的頻帶只有8 10周。
  12. After analyzing the traditional methods of generating exciting signals in vibration control system of electrodynamic ( electrohydraulic ) shaker, a new method of adjusting the skewness and kurtosis of exciting signals by second phase modulation is proposed. based on this method, a new algorithm for generating super - gaussian and quasi - random vibration exciting signals with specified psd, skewness and kurtosis is proposed. simulation and experimental results validate the algorithm

    2 .通過分析目前電動（液）振動臺數字式隨機振動控制系統中廣泛採用的激勵信號生成原理，在其基礎上提出了一種通過二次相位調制來控制激勵信號峭度值和偏斜度值的方法，分別得到了頻譜可控的對稱和非對稱分佈超高斯偽隨機激勵信號生成演算法，並進行了數值模擬和試驗驗證，為研究頻譜可控的超高斯真隨機激勵信號生成技術奠定了基礎。
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