無用信號 的英文怎麼說

中文拼音 [wúyòngxìnháo]
無用信號 英文
garbage signal
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 用 : Ⅰ動詞1 （使用） use; employ; apply 2 （多用於否定: 需要） need 3 （敬辭: 吃; 喝） eat; drink Ⅱ名...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 無用 : useless; of no use
  1. Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor

    在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上，通過系統建模和數字模擬分析，分別針對航空低壓直流（ lvdc ）和高壓直流（ hvdc ）兩種電動機構用永磁無刷電動機，在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究，提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。
  2. The enhancement of process, the feature size of device becomes smaller, and the deductions of the power supply require the art of design should be consummated. this article firstly makes a detailed analysis and expatiation for the operational principle and design technique of switched - capacitors - filter. then realize the filter design in biquadratic method and z - domain synthesis

    本文在對開關電容濾波器的工作原理及設計方法進行了系統的闡述和分析的基礎上，分別用雙二階方法和z域合成法實現了適用於dtmf信號的開關電容濾波器的設計，並用無錫華晶0 . 6 mcmos工藝（ csmc60 ）進行了模擬。
  3. Pre - data gathering module achieves the collection and communication of sixteen - route temperature signal. speed measuring and controlling module realizes the control of refolw soldering transfer speed by manipulating transducer. on - off outputting module fulfills calefaction control of calefaction tube by solid state relay. above position operator software programs by delphi, and realizes pid parameter automatic timing and no - oversnooting temperature control. software has friendly interface, convenient operation, complete functions

    前置數據採集模塊完成16路溫度信號的採集和通訊；速度測量模塊與速度控制模塊通過控制變頻器來調節迴流焊的傳輸速度；開關量輸出模塊通過固態繼電器對加熱管進行控制；上位機軟體採用delphi編程，實現了pid參數自整定以及無超調的溫度控制。
  4. In the design and application of electronic engineering, both in open circuit and in closed circuit, signal is certainly affected by environment, the status of the transport network and the change of the parameters of the components applied. then the characters of useful information will be changed more or less and the change is generally called as distortion, namely so - called signal distortion

    =在電子工程的設計和應用中，信號無論在開路傳輸或閉路傳輸中都受到環境、傳輸網路的工作狀態和應用的元器件參數變化的影響，從而會或多或少地改變有用信息的性質，這種變化就是所謂的信號畸變現象，通常稱作失真。
  5. No termination of this guaranty shall be effective except by notice sent to buyer by certified mail ， return receipt requested （ which shall be evidenced by a properly validated return receipt ） ， naming a termination date effective not less than ninety （ 90 ） days after the receipt of such notice by buyer

    任何對本擔保書作出的終止均無效，除非擔保人已用掛號信的方式向買方發出通知，並須有買方的回執（一份恰當有效的回執即可作為證明） ，通知中載明的有效的終止期間不得少於買方收到該通知后的九十（ 90 ）天。
  6. Compared with traditional mechanical and optic gyros, hrg has such advantages as no high speed circumvolving or moving parts in structure, no warm - up time and short start - up time, wide signal band in frequency, low excursion noises, great endurance in over loading, nuclear radiation and short time power off, small bulk, light weight, low power cost and long life, which is suitable for space applications

    與傳統的機械陀螺和光學陀螺相比，半球諧振陀螺具有如下優勢:結構上無高速轉子、無活動部件;不需預熱，啟動時間短;信號頻帶寬，漂移噪聲低;能承受大的機動過載;抗核輻射，並可經受短時間電源中斷的影響;體積小，重量輕，功耗低，壽命長，非常適合空間應用。
  7. The automatic identification of the modulation types has been applied to many fields such as source identification, interference identification, radio interception, - electronic countermeasures, etc. the modulation recognizer based on the decision - theoretic approach and the constellation diagram is proposed and the signal ' s kurtosis is used as the indicator to differentiate the analogue modulation from the digital modulation

    通信信號調制類型的自動識別廣泛應用於信號確認、干擾辨識、無線電偵聽、電子對抗和信號監測等領域。本文提出基於決策論與星座圖的綜合調制識別器，使用信號的峰度區分調制類型是模擬調制還是數字調制。
  8. Standard test method for determining liquid drop size characteristics in a spray using optical nonimaging light - scattering instruments

    用光學無圖信號光散射儀確定噴射時液滴尺寸特性的標準試驗方法
  9. In the wireless systems, smart antenna techniques use the signal ' s spatial signature to improve system performance. but up to now there is still no commercial smart antenna system in large use

    在無線通信中，智能天線可以充分利用信號空間特性提高系統性能，但現在還沒有大規模商用的智能天線系統。
  10. The main parts of the article are the designation of magnetic path for the detecting system and the " no blind areas " method, which is based on the signal relativity operation

    本文的重點在於系統的磁路設計，採用信號相關性運算比較被測鋼管信號和模板信號縮小端頭盲區的「無盲區」方法。
  11. Phopholipase c - 1 ( plc - 1 ) is widely known to play an important role in regulating cell proliferation and differentiation, development of the organisms, cell transformation and oxidative stress. till now, the mechanism how phopholipase c - 1 acts can not be thoroughly illustrated, nor has the interaction between plc - 1 pathway and other signal pathways been systematically reported. this research chose 2 - de + ms as the basic method from all kinds of proteomics strategies and compared the total protein expression map of mef genetically deficient in plc - 1 ( plc - 1 - / - ) to that of wild type mef ( plc - l + / + ) aimed to find some protein spots differentially expressed, thus we can discuss the impact of knockout of plc - 1 on signal transduction initiated by growth factors such as egf comprehensively. in this way, we can study the biological function of plc - 1 and mechanism of plc - 1 pathway indirectly, which will contribute a lot to further analysis

    鑒于plc - 1發揮上述作用的機制尚未完全闡明， plc - 1通路與其他信號通路間的交聯和代償尚無系統報道，又因為以往的研究方法不夠全面，本研究以野生型小鼠胚胎成纖維細胞（ plc - 1 ~ （ + / + ） ）和缺失磷脂酶c - 1的小鼠胚胎成纖維細胞（ plc - 1 ~ （ - / - ） ）為研究模型，在眾多蛋白組學策略中選擇了雙向電泳+質譜（ 2 - de + ms ）作為研究手段，通過對比表皮生長因子（ egf ）刺激24小時後上述兩種細胞的總蛋白質表達差異，全面地探討敲除plc - 1對生長因子誘導的信號傳遞的影響，從而間接研究plc - 1生物學作用、信號傳遞機制及其代償情況，為后續的深入研究打下基礎。
  12. A signal processing method comprises receiving a first signal for wireless communication, obtaining an approximate of a non - channel function in the first signal, separating the approximate of the non - channel function from the first signal to obtain a second signal that includes a time - varying channel function, and processing the second signal to obtain a user signal

    本發明提供一個信號處理方法，包括接收第一個無線信號；估計第一個信號中的脈沖成形失真；從第一個信號中分離出該脈沖成形失真以獲得第二個信號；以及處理第二個信號以獲得一個用戶信號。
  13. Blind beamforming ( bbf ) is concerned with the reconstruction of source signals from the outputs of a sensor array without a priori information of the direction of the desired source, relying instead on signal characteristics and array structures

    盲波束形成無需知道目標波達方向等先驗信息，直接利用信號、基陣自身的特性，就可從基陣的輸出采樣信號中恢復出期望信號。
  14. The device can measure reactive parameters in distribution power net which are generally considered to he difficultly measured the paper also introduces the calculating method of the reactive compensation capacity and its optimal location, the design method and realization principle of the series devices, such as the reactive power acquisition device, the reactive power optimized controller and the compensation capacitor operator, is seated in detail through economic and technical comparison, a realistic hardware scheme of reactive power compensation system is proposed

    文章利用電磁感應原理和數字通訊技術結合試驗設計出電源自給式高壓線路無線信號採集裝置，解決了配電網分支線路無功參數不易測量的問題。文章還介紹了系統無功補償容量及安裝位置的計算方法，較為具體的講述了無功功率採集器、無功優化控制器以及補償電容操作器等一系列裝置的設計方法和製作原理。通過經濟技術比較提出了一整套切實可行的無功補償系統硬體製作方案。
  15. 14 sun m t, huang l, arora a, lai t h. mac layer multicast in ieee 802. 11 wireless networks. in proc. the international conference on parallel processing icpp 2002, 2002

    簡言之， busy tone是在數據通道之外的一個控制通道上傳輸的無線信號，因為busy tone僅要求能夠被檢測出存在與否，所以傳輸busy tone的控制通道只需要佔用很小的帶寬。
  16. In this paper, we developed three novel immunosensors and a mediator - free enzyme sensor, based on efficient immobilization of biomolecule and signal - amplified methods to improve detection sensitivity and decrease the detection limit. the detailed materials are shown as follows : ( 1 ) an amplified immunosensor with highly sensitivity has been proposed based on precipitation of an insoluble product on functionalized electrode ( in chapter 2 ). anti - higg was immobilized onto the surface of gold electrode modified with 1, 6 - hexanedithiol and colloidal au interface

    本文結合有效的生物活性組分的固定方法，採用信號放大技術提高分析信號、降低檢測下限，發展了三種新型的免疫生物傳感器以及一種無電子媒介體的酶生物傳感器，主要內容如下: （ 1 ）提出了一種新型的基於酶催化沉積質量放大的高靈敏壓電免疫傳感器（第2章） 。
  17. The data compession technology is researched, and the problem is solved which quanties of fault recording data are huge and the sending time is long. the transmission success ratio is boroved greatly. the electrical relation of single phase - earth fault of generator stator windings is ndied in detail, and the process of generator losing magnetism faul is also discussed

    利用該標準記錄數據中的冗餘量，進行壓縮是一新思路，對無損壓縮和有損壓縮進行了大量模擬，採用信號源符號1byte的自適應二階算術編碼無損壓縮法，使遠傳數據壓縮率可達72 ，解決了錄波數據遠傳中數據量大、傳送時間長、成功率低的難題。
  18. In nature, the optical fiber liquid height meter is one kind of the optical fiber fluid sensor, and it sufficiently utilizes the principle of the optical fiber sensor, making the examination field no signal of electricity, attaining completely an area no electricity examine, and making the safety supervision system essentially secure explosion proof

    光纖液位計本質上是一種光纖液位傳感器，它充分利用了光纖傳感器的原理，使檢測現場無電信號，完全做到罐區無電檢測，使光纖傳感安全監測系統本質安全防爆。
  19. The hardware adopted by this system is the general signal proceeding machine for soft radio

    本文採用的硬體實現方案是一種軟體無線電通用信號處理平臺。
  20. This project is on - line automatic recognition of the satellite signal modulation mode. it accomplishs a general signal analysis system based on the theory of softwareradio

    本項目對衛星信號的調制方式進行在線自動識別，依據軟體無線電的基本思想建立了一個通用信號分析平臺。
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