改號信號 的英文怎麼說

中文拼音 [gǎiháoxìnháo]
改號信號 英文
change number signal
  • 改 : Ⅰ動詞1 （改變） change; transform 2 （修改） revise; alter; modify 3 （改正） rectify; correct 4 ...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  1. The method is given to solve the problem in adaptive demodulation that adjudgement will worsen when the snr is low. by using the error signals to reduce the demodulated signals, the bit error rate will be improved

    模擬中，針對dpsk信號的自適應解調中小信噪比下門限失效的問題，提出了利用誤差改進門限判決的方法，將誤碼性能提高了1 2db 。
  2. Comprehensive cellular responses was found in human amnion fl cells following exposure to low concentration of mnng, such as the lowering of dna replication fidelity resulted from alteration of dna polymerase profile ; activation of a lot of transcription factors, such as api, creb, nf - kb etc ; clustering of egfr ( epidermal growth factor receptor ) and tnfr ( tumor necrosis factor receptor ) and activation of camp - pka - creb and jnk / sapk signal pathways

    我們發現，低劑量mnng處理后的人羊膜fl細胞有廣泛的細胞反應，並有多個信號轉導通路的激活和基因表達的改變。例如dna復制保真度下降， dna聚合酶譜發生改變，應用報告基因技術和底物磷酸化檢出技術證明細胞一系列轉錄因子如ap1 、 creb 、 nf b等被激活，細胞表面受體如表皮生長因子受體、腫瘤壞死因子受體發生聚簇，細胞信號轉導通路camp - pka - creb和jnk sapk被激活。
  3. The degradation of i k b and dissociation from nf - k b complex are essential process for activation of nf - k b. there is no report about whether cck - 8 inhibits nf - k b activity through inhibiting lps - induced degradation of i k b. the present study was designed to observe the regulatory effect of cck - 8 on changes of immune functions induced by lps, the receptor mechanism and signal transduction mechanism involving mapk, stat3 and i k b at different levels including in vivo and in vitro, in order to study its immunomodulatory effect on reversing es and its molecular mechanisms

    Ikb的降解、並從w兒b復合物上解離是w4b激活的必需過程。 ccks是否通過抑制lps誘導的ikb降解，從而抑制nf幾b激活尚未見報道。本研究在整體、細胞及分子水平，觀察了ccke對lps引起的免疫功能改變的調節作用，研究了其受體機制及mapk 、 stat3和ikb的信號轉導機制，以探討cck七抗es時的免疫調節作用及其分子機制。
  4. Through matlab simulations, this improved algorithm can not only achieve the same resolution ability as the conventional music algorithm in ideal conditions, but also acquire the resolution ability and estimation precision that music algorithm can ’ t obtain in the nonideal condition of so - called signal eigenvalue leakage

    通過matlab模擬，該改進方法不僅可以在理想情況下取得和傳統music演算法一樣的分辨力，而且在所謂的信號特徵值泄露的非理想情況下可以取得傳統music演算法不能達到的分辨力和估計精度，同時一定程度上減小了運算量。
  5. 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。
  6. In this article, double threshold, iteration is applied to improve segmentation algorithm based on signal energy, and short - time zero - crossing rate is proposed for the first time to determine the exact boundaries between different components of heart sound

    本文通過使用雙門限、迭代等方法，改進了基於信號能量的分段演算法，並首次引入短時過零率以更準確地定位分段邊界。
  7. The cumulation of tdfcsd in a certain period eliminates the remainder noise more, and the ability of detecting signal ' s frequency is improved

    通過對某段時間得到的功率譜密度累積，進一步改善snr ，提高信號頻率的檢測能力。
  8. Improving the signal quality of a voice - grade data line to improve the speed or accuracy

    改善聲音通道數據線的信號質量以提高速度或精度。
  9. In this paper, the time property of its anode and dynode outputs has been studied and compared by using weak cherenkov light, the results show that their time resolution is dependent on the number of the electrons collected at the same conditions

    為了獲得多個倍增極的輸出信號，對其進行了相應的改進，利用弱契倫科夫光，研究了其陽極和倍增極的時間特性，並作了比較，結果表明相同條件下它們的時間分辨與所收集的電子數有很大關系。
  10. The elevtrolyte would also be changed by the electroplating process and would cause the pickoff to give erroneous results.

    在電鍍過程中，電解液也將隨著改變，從而會使信號傳感器給出錯誤的結果來。
  11. The thesis presents a expert system for identifies power quality disturbance signal, after compare the artificial neural network, nearest neighbors, fuzzy decision, and expert system. we bring forward the project flexible rule - based expert system, according to the characteristic inspection and measure system, and has a deep research on the problem of this system. this project for disturbance classifies has lower mistake ratio and facility maintenance

    採用專家系統的方法進行模式識別，在對神經網路、最近鄰法、模糊邏輯和專家系統及一些交叉方法等模式識別方法進行比較分析的基礎上，根據電能質量信號故障分析的特點，提出了採用規則基專家系統的方法，該模式識別方法具有便於擴展、修改和識別率高等特點。
  12. In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab

    針對無連接和面向連接的各種復雜網路環境下，通信頻帶資源緊張，音頻傳輸帶寬有限且復雜多變，而各種音頻數據又日益增多的局面，本文研究小波分析在信號處理方面的數學依據和在數據壓縮方面的實際意義，在前人不斷工作的基礎上，提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法，兼考慮了編碼效率、多碼率和壓縮時延多個方面，並在matlab環境下做了模擬實驗，對各種音頻信號及多種小波函數做了模擬結果比較，實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮效果，達到多碼率下實現實時編解碼的過程，在高速dsp晶元等硬體設備支持下，可以有效應用於實際復雜多變信源編碼。
  13. 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。
  14. The use of balanced transmission lines can help but if the signal bandwidth extends to dc there will be a need for a very high performance instrumentation amplifier at the receiving end to restore a ground referenced signal

    採用平衡傳輸線有助於改善信號完整性，但是對于帶寬延伸到dc的信號，接收端要靠超高性能的儀表放大器來還原參考電平。
  15. Wirings of the poly layer are always utilized under the silicon grid technics. to control the macro - cell signal delay and improve signal integrality, the crossing among different nets must be averagely distributed to reduce the number of layer permutation. the metal layer wirings should be maximized and the length of poly layer wiring in each net should be minimized

    硅柵工藝晶體管級布線利用多晶層走線，為了控制宏單元時延性能及改善信號完整性形態，關鍵是不同線網間交叉的均衡分配以減少走線的換層次數，最大化金屬層走線以及每一線網多晶層走線長度的有效控制。
  16. City traffic engineer joe olson said traffic engineers plan to update the city ' s opticon system this year to block unauthorized light - changing signals

    朗蒙特市交通工程師奧爾森指出，他們計劃在今年更新該市的opticon系統，查處那些未經許可擅自使用的改變信號燈裝置。
  17. The noise - improved signal correlation in maximizing threshold networks is discussed

    摘要討論了極大並聯閾值網路中噪聲改善信號相關性問題。
  18. Since the real polarimetric sar data was derived in the mid 1980s, it has been proved that using polarimetric information can improve performance of sar image processing and application, and not only provide better understanding and interpretation for the radar observations, but also produce more new functions, such as terrain height measured technology

    自從八十年代中期人們能夠獲取真實的機載極化sar數據以來，極化sar信息的使用已經證明能夠人人改進信號處理的質量和拓展新的應用功能。由於極化sar遙感有著極其重要的軍用和民用價值，因而受到世界各國科學家的普遍重視。
  19. The device, called an opticon, is similar to what firefighters use to change lights when they respond to emergencies

    這種裝置又被稱作opticon ，與消防員應對突發事件時改變信號燈的裝置相似。
  20. The information disseminated through these media includes storm movement, possibility of signal changes and precautionary actions

    經這些媒介發放的信息包括熱帶氣旋的動向，改變信號的可能性和應採取的防風措施等。
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