第一信號 的英文怎麼說

中文拼音 [dìyīxìnháo]
第一信號 英文
primary signal
  • 第 : Ⅰ助詞（用在整數的數詞前 表示次序） auxiliary word for ordinal numbers Ⅱ名詞1 [書面語] （科第） gr...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 第一 : first; primary; foremost; first and foremost
  1. Our company contract to do a job maintaining all sorts of electro magnetic chuch domestic and abrod. we guarantee quality, own advanced technique and present reason - able price, and can produce all sorts of magnetic force acetabula for consumers. company ` s tenet : quality no. 1, reputation highest, quick and considerable after - service, honest hope with every friend joining hands together to enter a pair - win market

    本公司承攬維修各種國內外電磁吸盤、質量保證、技術精湛、價格合理，並可為用戶訂做各種型號的磁力吸盤，公司宗旨：品質第一、信譽至上，售後服務快捷周到，真誠希望與各位朋友攜手共進雙贏市場。
  2. According to the research of physiological and biochemical indicators or index, components of soluble proteins, substrate protein of phosphorylation and the activity of protein kinase in low - temperature stress in the leaves of brassica oleracea l., we tried to find the law of the physiological and biochemical response of brassica oleracea l. leaf to low temperature. at the same time, discussion on the signal transduction can also provide further evidences for revealing the mechanism of low - temperature stress. the results are showed as follows : malondialdehyde ( mda ), superoxide dismutase ( sod ), ascorbate peroxidase ( asp ) and peroxidase ( pod ) activities were changed greatly after 0 ~ 30min ' s treating with low temperature

    本文以甘藍葉片為材料，通過對低溫5脅迫下甘藍生理生化指標、可溶性蛋白組分以及磷酸化底物蛋白、蛋白激酶活性的研究，以期找出甘藍葉片對低溫脅迫的生理生化響應規律，為甘藍露地越冬栽培防範寒害提供理論指導，同時對低溫脅迫下甘藍逆境信號傳導進行了探討，從而為徹底弄清低溫脅迫機理提供進一步的證據，研究的主要結果如下：丙二醛含量（ mda ） 、超氧化物歧化酶（ sod ） 、抗壞血酸過氧化物酶（ asp ）和過氧化物酶（ pod ）活性在低溫處理0 30min發生顯著變化，低溫處理3min后，甘藍葉片內mda含量基本沒有變化，處理5min時出現第一個峰值，達到對照的104 . 10 ， 10min出現低谷，僅為對照的86 . 27 ，隨后再次上升， 30min時超過第一峰值，為對照的113 . 93 。
  3. 1909 the sos distress signal was transmitted for the first time when the cunard liner slavonia was wrecked off the azores

    丘納德遠洋客輪"斯拉活尼亞號"在亞速爾群島附近遇難時發出sos呼救信號，這是世界上第一次應用呼救信號。
  4. We showed here that axudl mrna expression was elevated by tgf - 1 treatment in a time and dose - dependent manner in hepg2 hepatoma cells and spc - a1 lung carcinomas cells, and also indicated that de novo protein synthesis was required for this response using the protein synthesis inhibitor cycloheximide, suggesting that axudl is a primary target of tgf - signalling

    在hepg2和spc - a1細胞中， tgf - 1能明顯誘導這兩種細胞中的axud1基因的表達，而且表現出時間和濃度的依賴效應。同時，利用第一軍醫大學博士學位論文蛋白質合成的特異抑制劑還發現， tgf一pl誘導的axudl基因的表達過程需要新的蛋白質的合成，提示axudl基因是tgf一p信號通路的一個主要靶分子。
  5. This thesis tries to update the cmdsr system to achieve the characters below : real - time, better robust, higher recognition rate, non - special - man. considering the disadvantages of traditional improved spectrum subtraction speech enhancement, this thesis proposes the theory of fuzzy spectrum subtraction based on the fuzzy theory and improved spectrum subtraction speech enhancement ; as for the difficulties of detecting the endpoint of speech signal, the thesis gives the table of initial and the improved parameters, with which we can confirm the endpoints of mandarin digit speech ; the thesis puts forward two - level digit real - time speech recognition system, the first level is based on discrete hidden markov model which is linear predictive coding cepstrum ( lpcc ) and difference linear predictive coding cepstrum ( dlpcc ), the second level is based on formant parameters ; as for the realization of hardware, the thesis depicts the realization of every part of cmdsr based on the tms320vc5402 in detail ; as for the development of software, the thesis gives the software design flow chart of cmdsr, simulates the basic theory with matlab language and gives the simulation results

    針對傳統的「改進譜相減法語音增強」參數設定單一、環境適應能力差的缺點，提出了一種利用模糊理論和「改進的譜相減法」結合的「模糊譜相減法語音增強」 ;針對語音信號端點檢測困難的特點，通過matlab模擬試驗，給出了能夠準確確定數碼語音端點的初始和改進參數表;提出了利用基於線性預測編碼倒譜參數和差分線性預測編碼倒譜參數相結合的離散隱含馬爾可夫模型進行第一級識別、利用共振峰參數進行第二級識別的兩級漢語數碼語音識別系統，在保證系統實時性的同時，實現連接漢語數碼語音識別系統識別率的提高;在硬體實現上，詳細闡述了基於tms320vc5402的連接漢語數碼語音識別系統各部分硬體設計;在軟體開發上，給出了連接漢語數碼語音識別的軟體設計各部分的流程圖，並對各部分進行了matlab模擬，並給出了模擬結果。
  6. 2. the sequence of si gene from ibv - lx4 strain was consisted of 1614 bp from initiation codon atg to the possible cleavage site of spike glycoprotein, encoding for a 18 - amino signal - peptide with the n terminus of si protein and a polypeptide of 537 - amino acids. 19 highly conserved, potential glycosylation sites and 17 cysteines residues were characterized with si protein, homology analysis showe that there were gene deletion -

    S1基因：其全序列共1614bp （從起始密碼子atg到s前體蛋白裂解位點） ，編碼537個氨基酸，其氨基端有一編碼18個氨基酸的信號肽序列，第12 13位氨基酸殘基構成了信號肽的切割位點， 14 19位與111 124位氨基酸殘基為s1蛋白的跨膜區域。
  7. Chapter 3 studies the false target jamming. jamming signal generation formula is proposed by the investigation of simultaneous ground echoes of two different point targets in radar beam. comprehensive research about the characteristics of jamming signal is made, and raw data is used in simulation

    第三章對虛假圖像干擾進行了研究，通過對雷達波束內兩個不同的點目標在同一時刻的回波信號進行的分析比較，推導了干擾信號的生成公式，對干擾信號的特徵作了詳細的分析，並結合實測數據做了模擬實驗。
  8. Would the signal box be the first place the train stopped at after it left liverpool ?

    那個信號房是不是火車離開利物浦后第一個停車站？
  9. 17minutes after launching, its first radio signals beeped to the tracking station in manchester england

    發射后17分鐘，它的第一組無線電信號就發送到了英國曼徹斯特的太空跟蹤站。
  10. I am on the alert for the first signs of spring ， to hear the chance note of some arriving bird ， or the striped squirrel ' s chirp ， for his stores must be now nearly exhausted ， or see the woodchuck venture out of his winter quarters

    我注意地等待著春天的第一個信號，傾聽著一些飛來鳥雀的偶然的樂音，或有條紋的松鼠的啁啾，因為它的儲藏大約也告罄了吧，我也想看? ?看土撥鼠如何從它們冬蟄的地方出現。
  11. Yiyang city jiutong smelting company limited located in the beautiful upper of zijiang river majitang town, taojiang county, 207 national freeways, peach wye road and the side, after several generations of state - owned enterprises restructuring and long - learned person fighting, innovation, and has now become the 300 - plus employees, with an annual output of antimony trichloride, refined antimony, antimony sulfide, antimony chloride, sodium pyroantimonate antimony and other metal goods 6000 dayton of the company, under the led of chairman wendan, the employee of the company is in the light of " the quality first, the trustworthiness first " of aim, tenacious struggle, forge ahead, and constantly domestic and foreign traders and friends of various circles to provide satisfactory products and outstanding services

    益陽市久通冶煉公司坐落在美麗的資江河畔上游桃江縣馬跡塘鎮， 207國道、桃懷公路從旁而過，經過國企改制和幾代久通人的拼搏、創新，現已成為擁有300多名員工，年產三氧化二銻、二號精銻、三硫化二銻、氯化銻、焦銻酸鈉等各種銻品6000噸金屬量的股份有限公司，在董事長溫丹帶領下，公司員工本著「質量第一，誠信第一」的宗旨，頑強拼搏，銳意進取，不斷為國內外客商及各界朋友提供滿意的產品和優秀的服務。
  12. The first section is about the way and principle of the h ( k ) f operation valve ; the second section is about controlled way of the air gate. the third section is about the controlled and transmission of the pressure signals in train pip, auxiliary pressure air tank and bake tank ; the fourth section is about the auto test way and principle of the three thoroughfare valve leakage

    第一部分是h （ k ） 、 f操作閥的控制方法和原理；第二部分是風門的控制方法與原理；第三部分是列車管、副風缸、制動風缸壓力信號的採集與傳輸控制；第四部分是三通閥漏泄自動檢測方法與原理。
  13. In the fourth chapter, firstly, the fsk / psk signal function is presented, then, the signal which frequency and phase are modulated by costas code and barker code for each are analyzed at the same time. after that, the target returns and clutter returns are analyzed and modeled. at last, both of the time correlation characteristics and space correlation characteristics are theoretically analyzed

    在第四章中，首先給出fsk / psk信號的表達式，並對一種分別採用costas碼和barker碼進行頻率和相位調制的fsk / psk信號進行分析，然後對fsk / psk信號的目標回波和雜亂回波進行分析與建模，接著，對雜波信號的時間相關性和空間相關性進行理論分析，由分析結果可知， fsk / psk雷達雜波的時間相關性不變、空間相關性增強。
  14. Chapter 1 introduces the extensive application of hf / vhf communication and hf / vhf radios in military field, and points out the significance for promoting the research work of fh communication countermeasure using modern signal processing techniques, especially time - frequency analysis

    第一章介紹了短波通信和短波跳頻電臺在軍事領域中的廣泛應用，以及現代信號處理技術特別是時頻分析技術對促進跳頻通信對抗研究的重要意義。
  15. The company founded quality quality system certificate of conformity by iso9002 standard districtly. and pass iso9002 quality system certificate of conformity of shanghai auditing center of quality system the truth of our company is creating eternal satiafication by fine product and excellent service. huaqing bare wire power cable control cable purpose jacketed cable insulated wire xlpe cable fire - resistant cable requence - transmitting cable pass each kinds of inspection and appraisement of china and province. each index attain nation advanced level, and gain praise conformably of all consumer, such as power, oil, architecture. originally founded in 1986, qingdao jiaozhou cable co. ltd., whose original name is jiaozhou city cable factory, finished the enterprise reformation and founded the limited liability company in 1998

    公司的前身膠州市電纜廠，是一九八六年建立的膠州市第一家電纜企業，經過多年的努力，企業榮獲了青島市「明星企業」 「百強企業」 「先進企業」 「優秀企業」 「重合同守信譽企業」 ，全國中型電纜行業「質量信譽最佳企業」國家經貿委城鄉電網改造「推薦企業」 ，國家廣電總局「器材入網單位」等多項榮譽稱號及證書。
  16. The reassigned smoothed pseudo wigner - ville distribution ( rspwvd ) is introduced, which has less interference and higher resolution than other time frequency distributions like wigner - ville, choi - williams etc. it is used to detect the multi - knocking of engine such as cylinder, piston pin, valve, crank bearing, connecting rod bearing and jib knocking. a new fault diagnosis technique based on the rspwvd for the engine multi - knocking problem is proposed. by comparing the bispectrum and bicoherence of the gear vibration signals, it is demonstrated that bispectrum has an advantage over bicoherence for feature extraction of such signals

    第四章首次引入一種重分配方法，得到干擾項少而解析度高的重分配平滑偽魏格納維爾分佈（ rspwvd ） ；對發動機曲軸主軸承響、連桿軸承響、活塞銷響、活塞敲缸響、氣門響和挺桿響等常見機械異響故障振動信號特徵進行了全面地比較分析；通過對各種異響故障特徵信號的分析研究，提出基於rspwvd的發動機多異響故障診斷策略，利用該策略可以準確識別不同的發動機異響故障。
  17. The export account is the largest in china ' s diamond powder industry. our slogan is : users first, quality first and reputation first. our various sizes of products are listed in the table below. besides, we can also meet the user ' s special requirment

    我公司時刻以用戶為上帝，質量第一，信譽第一，除備有以下各粒度、代號系列產品外，還可根據用戶的特殊要求進行特別加工，以滿足用戶的需求。
  18. Dendritic cells ( dc ) is the most powerful apc, which can markedly increase the antigen - presentation capacity by maximizing the pepitide - mhc complexes on the cell surface and upregulating the co - stimulatory ligands b7 - 1 and b7 - 2, adhesion moleculees such as il - 12 that promote full activation of lymphocytes. full activation of antigen - specific t cells requires two signals - one signal coming via the tcr and the other signal through engagment of co - stimulatary molecules. t cells receiving one signal via their tcr are turned off by mhc ( major histocompatibility complex ), via t cell cd28 binding to b7 on the dc induce tlymphokine and t cell proliferatiion

    T細胞介導的細胞免疫在控制腫瘤生長方面發揮著重要作用， t細胞在發揮抗瘤效應（分泌細胞因子和直接殺傷）之前必須先經過活化，體內專職抗原提呈細胞（ apc ）細胞並使其活化，樹突狀細胞（ dendriticcell ， dc ）為t細胞的激活提供雙重信號， t細胞藉助tcr識別由dcmhc分子遞交的抗原肽后，通過tcr - cd3復合體傳遞抗原特異性識別信號（第一信號） ，以cd28為主的t細胞表面輔佐分子識別dc表面b7分子，傳遞非特異性協同刺激信號（第二信號） ，在機體抗腫瘤免疫應答中處于核心地位。
  19. Effective activation of antigen - specific t cells not only requires the first signal transduction through t - cell receptor ( tcr ) binding with peptide - mhc complex on the antigen presenting cell ( apc ), but also needs the second signal, termed costimulation. costimulation critical to the degree and consequence of t cell activation is provided by interaction between soluble factors or cell - surface molecules on the t cell and on the apc

    而t細胞的活化除需要t細胞受體（ tcr ）與抗原呈遞細胞（ antigenpresentingcell ， apc ）表面的抗原肽- mhc復合物結合所形成的第一信號外，還需要t細胞和apc表面的其它膜分子結合所提供的共刺激信號（亦稱第二信號或輔助刺激信號， costimulatorysignal ）的參與。
  20. Despite intensive investgation on the detection. localization, biological roles and signal transduction pathway of extracellular cam in plants, the mechanism by which extrallular cam is activated by ca2 + has been unclear, manily because of specific of extrallular milieu

    已經證實，植物體普遍存在胞外鈣調素，它可能作為一種廣譜性多肽第一信使在細胞外產生多種生物學功能，並具有跨膜及胞內信號轉導機制。
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