carrier rate 中文意思是什麼

carrier rate 解釋
帶菌率
  • carrier : n 1 運送人,搬夫;負荷者;使役,〈美國〉信差,郵遞員;送報人;〈英國〉運輸行,運輸業者。2 傳書鴿...
  • rate : n 1 比率,率;速度,進度;程度;(鐘的快慢)差率。2 價格;行市,行情;估價,評價;費,費用,運費...
  1. Finally, identification was made according to colony morphology and microscopic structure. the result indicated that the carrier rate of dermatophyte on hair of dog in beijing was very low ( 2. 78 % 1 / 36 ), but that of cat was higher ( 9. 4 % 3 / 32 )

    結果表明,北京地區臨床健康犬的帶菌率很低( 2 . 78 1 36 ) ,貓帶菌率較高( 9 . 4 3 32 ) ,腐生菌在42隻健康犬體表的分佈以耳內最高,右腕、外眼角次之,耳外、背、尾、腹部依次降低。
  2. 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。
  3. In this paper, firstly the macro parameter of the series connection app was comprehensively analyzed, among which the trajectory location of the bullet emission and the terminal velocity of the bullet were mainly analyzed, and the feasibility of the series connection app to cope with explosive reactive armor was demonstrated. and then the macro design about the head of the series connection app was made, among which a particular analyse about the bullet " s launching process was made, from which we concluded the relation between the thickness of the airproof loop and the velocity of the bullet detached from the carrier and the relation between the length of the bullet and the velocity of the bullet detached from the carrier and the relation between the length of the bullet and the burning rate of the powder and the relation between the length of the bullet and the maximum pressure of the emission hole and the relation between the length of the bullet and the emitting time of the bullet, and the reasonable str ucture of the head of the carrier and bullet were designed, then the intensity of the head of the carrier was checked out using of the software of ansys

    本文首先對子母式穿甲彈總體參量作了全面的計算分析,其中主要分析了子彈射出的彈道位置和必要的子彈著靶速度,論證了子母式穿甲彈對付爆炸式反應裝甲的可行性,然後對子母式穿甲彈彈頭部進行了總體設計,其中主要對子彈的發射過程進行了詳細的分析,得出了母彈彈頭部發射孔內閉鎖環厚度與子彈飛離母彈速度的關系、子彈長度與子彈飛離母彈速度的關系、子彈長度與火藥燃燒率的關系、子彈長度與母彈彈頭部發射孔內最大壓力的關系以及子彈的長度與子彈發射所需時間的關系,設計出了合理的母彈彈頭部結構和子彈的結構,並利用ansys有限元分析軟體對母彈彈頭部的強度進行了校核。
  4. During the " 10th 5 - year - project ", researches on the following techniques, new isotopic carrier, 5 parameters combination logging, oxygen activation logging, injection profile logging for polymer flooding, trace relative flow rate logging, and so on, have been carried out and some advanced and practical results have been obtained

    「十五」期間開展了新型同位素載體、五參數組合測井技術、氧活化測井技術、聚驅注入剖面測井技術、示蹤相關流量測井技術等課題的攻關,取得了一批先進實用的技術成果。
  5. Secondly, the paper researches blind estimation of signals parameters, including the carrier frequency, signal to noise ratio and symbol rate of digital modulations. thirdly, with the combination of parameters from early studies on the decision theory, a set of robust feature parameters are extracted from signal power spectrum and the power spectrum of the second and fourth power of signal. based on these parameters, the proposed scheme is able to recognize 12 types of common used modulations, namely ask 、 2fsk 、 msk 、 4fsk 、 psk 、 qpsk 、 / 4qpsk 、 8psk 、 am 、 dsb 、 ssb 、 fm

    接著,對信號功率譜、平方譜及四次方譜進行研究,針對通信中常用的調制方式,結合前人提出的基於決策理論中的特徵參數,設計了一組對信噪比和信號調制參數不敏感的分類特徵參數,利用上述參數完成了一種基於信號頻域的識別方法,可以對ask 、 2fsk 、 msk 、 4fsk 、 psk 、 qpsk 、 / 4qpsk 、 8psk 、 am 、 dsb 、 ssb和fm這12種常用調制方式進行識別。
  6. Single carrier frequency domain equalization for high data rate transmission systems over frequency selective fading channels

    頻率選擇性通道下高速數據傳輸中的單載波頻域均衡技術
  7. The performance targets of acquisition and tracking : the code rate of pseudorandom signals is 1m - 5mhz, the code length is 255. 511, the receiving sensitivity is - 118dbm, the dynamic range is 70db. the doppler of carrier is 75khz, the time that 10 targets are captured within 0. 2s

    捕獲和跟蹤的性能指標:偽隨機信號碼率1m 5m比特/秒,碼長是255 、 511 ,接收靈敏度是- 118db ,信號動態范圍是70db載波普勒是75khz ,目標捕獲在0 . 2秒內。
  8. The fcc rule that requires a carrier to choose a single regulatory framework ? price cap or rate of return ? for all operations at the federal level

    Fcc規則,要求電信公司選擇一個單一的規章制度,在聯邦政府規定的水平上對所有操作規定價格上限或收益率。
  9. It is based on the platform of hardware of fpga, dsp, d / a to realize the concise and full - function digital variable bit rate test signal resource. this paper discuss the ways of full digital if and realize it, certainly the ways to realize the carrier frequency, sub - carrier frequency and variable bit rates with dds technology is also presented

    本課題是以fpga 、 dsp 、 d / a為硬體平臺,設計實現了結構簡明,功能完整的全數字可變速率測試信號源,討論並實現了中頻頻段如何實現全數字的方法以及用dds技術實現載波頻率,副載波頻率,碼速率的方法。
  10. In this paper, the subband structure in the inversion layer is constructed by solving the self - consistent schr ? dinger equation, thus the carrier effective mass and scattering rate can be obtained. furthermore, taking account for the carrier density in each subband, we establish carrier mobility model in strained - si mosfet

    本文通過求解自洽薛定諤方程,確定了應變硅mosfet反型層的子能帶結構,在此基礎上經進一步計算得到子能帶內載流子的有效質量和散射幾率,綜合考慮各子能帶上的載流子的濃度分佈,建立了應變硅mosfet載流子遷移率的解析模型。
  11. In the last, test and optimization of dvb - c modulator system are addressed. methods of test and some items which should be paid attention of digital carrier level and rate of carrier to noise 、 relationship between ber and c / n 、 mer ( modulator error rate ) are given, some test results got by analyzer are all up to dvb - c test standard

    給出了數字載波電平與載噪比( c / n ) 、誤碼率( ber )與載噪比( c / n )關系、調制誤碼率( mer )測試的方法與測試注意事項,通過分析儀等分析得到結果包括列表和圖示,達到了dvb - c規定的各項指標。
  12. At the same time, dispersion of different stokes number particles influenced by the ordered large - scale turbulent structures of the carrier gas phase was investigated. and the following " conclusion was drawn : particles of mediate stokes number mainly concentrated in the outer boundary region of large scale eddies, and they had the nignest dispersion rate ; particles or little stakes number mainly lay in the core region of the eddies, and they had the lest dispersion rate ; though particles of large stokes number distributed throughout the eddy structures

    同時還模擬研究了不同stokes數顆粒在二維流場旋渦擬序結構作用下的運動擴散特性,詳細描述了不同stokes數顆粒在流場中的空間分佈規律,認為:中等stokes數顆粒集中於流場旋渦的外沿區域,在流場空間中的擴散率最高;小stokes數顆粒集中於流場系列旋渦的渦核區域,在流場空間中的擴散率最低;而大stokes數顆粒則遍佈於流場旋渦渦核和渦外沿區域。
  13. The system can resolve the noise and impedance on the power line and obviously improve the abilities of anti - disturbance and successful rate of communication. at the same time, the software realy method and arithmetic is also introduced to settle the problem of attenuation and increase the distance of carrier communication, it can satisfy the need of remote reading meter system

    該系統有效地克服了電力線噪聲和阻抗變化等干擾因素,提高了抗干擾能力和通信成功率,同時提出軟體中繼的思想和演算法並加以實現,進一步抑制了線路衰減快的問題,使載波通信的距離增加,滿足了遠程抄表系統的要求。
  14. The technology of trellis coded modulation ( tcm ) and viterbi decoding which could achieve high transmitting rate at a low bit ' error rate are demonstrated in detail. and then the design and achievement of itu - t v. 32 modem that based on one - dimensional tcm are expatiated. the paper also discusses the multi - dimensional tcm the itu - t v. 34 modem that based on it and tcm ' s application in the carrier communication

    文中深入研究了可保證一定誤碼率的情況下能實現較高傳輸速率的網格編碼調制( tcm )技術和維特比譯碼技術,闡述了基於單維網格編碼調制的itu - tv . 32modem的設計和實現,討論了多維網格編碼調制技術和基於其的itu - tv . 34modem ,並對網格編碼調制在載波通信中的應用作了簡單介紹。
  15. Turn on the carrier gas, and establish the proper flow rate

    接通載氣,調至合適地流速。
  16. As confirmed by the comparison, the model, which describes the continuous changes of feed rate, can be used to predict the practical industrial production of macro - pore porous glass carrier beads

    結果表明,按照建立的進料速率模型控制加料速率,能夠對實際生產起到一定的指導和預測作用。
  17. The carrier rate is probably ten times that figure, or 25 %

    攜帶者估計可能十倍于這個數目,約是25 % 。
  18. Must include shipper cargo commitment and carrier rate and service commitments

    必須包括托運人貨量承諾,承運人運價和服務承諾。
  19. Ca ot read the maximum carrier rate from the media. ini file

    無法從媒體ini文件中讀取最大載波速率。
  20. Epidemiological survey on vaccination rate of neonatal hepatitis b vaccine and carrier rate of maternal hepatitis b virus in 2003 in wuhan city

    武漢市2003年新生兒乙肝疫苗接種率及產婦乙肝病毒攜帶率的調查分析
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