預測衰減量 的英文怎麼說

中文拼音 [shuāijiǎnliáng]
預測衰減量 英文
predicted attenuation value
  • : Ⅰ副詞(預先; 事先) in advance; beforehand Ⅱ動詞(參與) take part in
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 衰動詞(衰弱) decline; wane
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 預測 : calculate; forecast; prognosis; divine; forecasting; foreshadowing; predetermination
  • 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
  1. 53 maize standard samples diffuse reflectance spectra were collected from 4000cm - 1 ~ 10000cm - 1 at 8 cm - 1 resolution on perkin - elmer spectrum one nts near - infrared instrument at different energy level. 3 samples were scanned 10 times repeatedly at 100 %, 76 % and 34 % energy level for energy variance analysis

    結果表明,隨著儀器能降低,模型相對標準偏差( rsd )有增大趨勢,儀器相對能從100到18后,模型值rsd從2 . 5增至4 . 72 。
  2. In the paper, prescale technology, interpolate method, averaging method and multiple period synchronization method are used to measure the frequency accurately. diode demodulating technology, and power attenuated method or probe coupling & water load technology are employed to measure the power of high power microwave. isothermal technology is used to improve the stability of demodulator and to expend the range of square linear region

    本文採用分頻法、內插法、多周期同步法、平均法實現了頻率的精確;利用二極體檢波技術,結合法或探針耦合+水負載技術實現了大功率微波功率的;採用恆溫技術提高了二極體檢波器穩定度;完成了單片機串口通信協議設計和系統電磁兼容的分析和設計。
  3. In this paper the train running noise level has been predicted with the theory of point sound source. the sound exposure level of a train set pass, equivalent continuous sound level and maximum sound level of a train set pass has been taken as estimate values, and some kinds of affixation attenuation on the course of noise propagation is considered, then the corresponding visual software has been developed. these make it convenient and precise to predict the noise level

    本文從點聲源的理論出發,對列車運行噪聲進行計算,採用一列車通過時的單發暴露聲級、時間特性的最大聲壓級和一定時間內的等效聲級等作為噪聲評價,並考慮了噪聲傳播過程中的各種附加,編制了相應的可視化軟體,使噪聲計算方便、準確。
  4. Based on successive regression study of observation data, the authors ascertained the factors having influence on the fluctuation in the bai spring discharge, established the regression equation and the prediction model, and calculated the exploitable karst water resources under natural conditions

    摘要本文通過對輝縣自泉泉水流動態的分析,確定了泉水流動態的影響因素,建立了泉水流方程和泉水流模型,了天然狀態泉水流,評價了泉域巖溶水的開采資源。
  5. With the increasing of temperature, the mineral catalytic effect is losing quickly, and completely lost above 1200 ( c, which agrees with the results by other researchers. the study of residual carbons from cfb fly ashes and its comparison with pyrolysis chars have confirmed both deactivation and ordering of turbostratic carbon

    本文建立了一個簡單的焦碳反應性模型,將此模型用在一個一維的cfb基本模型中,給合在一個小型熱態cfb實驗臺的燃燒實驗,考察了模型對飛灰含碳受焦碳失活的影響。
  6. For power control of listening users, forward power control method are introduced based on full, multichannel, filtered report, and collision method etc. the full report method has redundancy report information, and its real - time performance is bad, multichannel report is introduced to improve the real - time performance, and filtered report is introduced to eliminate the redundancy information, finally the collision method introduced can not only get higher real - time performance but also diminish the redundancy information ; 2. in order to meet the requirements of making the dynamic simulation of trunking group system, the ms ’ s random move equation is brought forward, the simulation of ms ’ s distribution is done and the integrated channel model are presented ; 3. the smart predicative model of power control is introduced to overcome the delay and track the change of the complicated network, with this model, the power control ‘ s performance is greatly improved

    全匯報方法存在冗餘的匯報信息,而且實時性較差,為了改善實時性提出了多通道的匯報方式,為了改善冗餘匯報而提出了篩選法,最後介紹的碰撞法在少冗餘信息的同時又提高了實時性;二、為了集群功率控制動態模擬的需要,提出了移動臺的隨機運動方程,進行了有關移動臺的分佈模擬,建立了綜合的通道模型;三、希望克服延時和跟蹤復雜網路環境變化,提出了功率控制的智能模型,通過智能模型可以改善功率控制的性能,著重介紹了採用神經網路的方法實現智能的通用模型,從而跟蹤復雜多變的無線環境,諸如慢落及快落(包括多徑落、多普勒效應所引起的落)等網路特徵,達到功率需求;四、採用二級正交碼和智能天線(空分多址)的方法進行組內用戶的識別,改進功率控制效果;五、話權用戶的前向和反向功率控制方法;六、對引入gota的cdma系統提出了復合容表示方法,並作容分析,探討有關gota系統的qos問題。
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