選擇波門 的英文怎麼說

中文拼音 [xuǎnzháibōmén]
選擇波門 英文
selection gate
  • 選 : Ⅰ動詞1. （挑選） select; choose; pick 2. （選舉） elect Ⅱ名詞（挑選出來編在一起的作品） selections; anthology
  • 擇 : 擇動詞（挑選） select; pick; choose
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 門 : Ⅰ名詞1 （房屋、車船等的出入口 ） entrance; exit; door; gate 2 （形狀或作用像門的東西） switch; va...
  • 選擇 : select; choose; opt; election; choice; culling; alternative
  1. The initial vsd process uses two main characters, the average instantaneous energy and the average instantaneous zero crossing rate ( zcr ). to make the first recognition for the start and the end, the emphasis of which is to select the appropriate value of the threshold and the length of frame. in the final vsd process, the author compares several characters and confirms the new recognition character

    初步分段過程使用了能量和過零率這兩個主要特徵進行端點檢測，重點是合理選擇兩個重要參數? ?門限和統計幀長度的取值；在最終分段過程中，筆者首先通過比較幾種特徵的識別效果，選擇卡爾曼濾波參數作為再次分段的識別特徵，還提出了一種新的識別特徵? ?周期性緩變特徵，使用這兩個特徵分別在子語音段內進行端點檢測。
  2. You can purchase the high quality home appliances directly from bosch either in our bosch shops or our website at the online shop at a great value. our range of products include : washers and dryers, refrigerators, microwaves, ovens, cooker hoods, hobs, dishwasher and a variety of small appliances

    請光臨我們的專門店或網上商店，以最優惠的價錢直接選購優質家電，包括洗衣機及乾洗機雪櫃微波爐?爐抽油煙機煮食爐洗碗碟機及多款家庭小電器以供選擇。
  3. To analyze some key technologies of optical network relative with rwa in detail, such as transmission, switching and internetworking ; to emphasize on the research of function, fabric and performance of optical cross - connection ; to carry out numerical simulations for crosstalk introduced by optical cross connect and to present measurements for suppressing it such as doubly filtering, fixing optimum decision threshold and appropriately choosing the number of multiplexed wavelengths ; 3. to research the fundamental principle and some problems relative with rwa, including the type of optical network, the type of traffic, the type of service, the survivability of optical network ; to classify and compare rwa algorithms and particularly research some dynamic rwa algorithms ; 4. to present reserved light - path and classify network resource such as used, unused and reserved status, to emulate establishment of all - optical connection in optical network through modified rwa algorithm and show effectively reducing setup time of all - optical connection utilizing reserved light - path ; to research rwa algorithms of multi - fiber network, to present new link weight functions dependent on node degree, unused fiber ( s ) per wavelength - layer and routing policies, to perform emulation of rwa based wavelength layer graph applying new link weight functions and show them make algorithms better performance and network lower blocking rate ; 5

    詳細分析了與rwa相關的光網路關鍵技術，包括傳輸、交換、組網等，重點研究了光交叉連接的功能和結構、性能，對其引入的串擾進行了詳細分析，選擇恰當的器件參數進行了數值模擬，並提出了抑制措施（如雙重濾波、優化判決門限、選擇恰當的復用波長數） ; 3 .研究了光網路的r認叭的基本原理、與r認叭的幾個相關問題（光網路類型、業務類型、流量類型、光網路生存性） 、 r認人演算法的分類和比較，具體研究了幾種動態r場人演算法; 4 .研究了以全光連接建立時間為優化目標的r認認演算法，提出預置光路的概念，對網路資源進行狀態分類（佔用、未佔用、預置） ，利用改進的r認叭演算法模擬，預置光路可為部分新到的連接請求快速建立連接，從而提高網路性能;研究了以多光纖網路連接阻塞率為優化目標的r認城演算法，提出了以節點度數、每個波長分層的空閑光纖數以及路由策略決定的幾種鏈路權重函數，利用基於波長分層圖模型的并行r場人演算法模擬，利用新的鏈路權重函數使得演算法具有更優的性能，使網路具有更低的連接阻塞率。
  4. In this thesis, first, we present the theory of sess system, the generation of the sess spreading code and its characteristics and the acquisition theory of conventional spread spectrum communication system. an efficient acquisition scheme based on periodically transmitting the synchronization head, which is composed of binary chaotic codes, using the matched filter and automatic decision threshold - level control based on a so - called constant false alarm criterion for sess system is present. the acquisition model of sess system is built and simulated in the awgn channel, the raleigh fading channel and imulti - address interfere condition

    本文首先概述了自編碼擴頻通信的原理、自編碼擴頻序列的產生方法及其特性和擴頻通信系統編碼同步的理論，然後針對自編碼擴頻通信系統提出了擴頻序列捕獲方案:周期性地加入混沌序列同步碼，並採用恆虛警率匹配濾波器捕獲法;在加性白高斯噪聲通道、瑞利衰落通道和多址干擾情況下進行了模擬，分析了各種捕獲性能:在選擇性能最優的混沌序列、適當的序列長度、虛警概率及門限值的情況下，可以獲得較短的捕獲時間和較大的捕獲概率。
  5. There are two ways to enhance the radar ' s detection performance : ( 1 ) for certain signal to noise ratio, choose a optimum detection threshold, whose false decisions producing minimum cost under the preset cost rules ; ( 2 ) basically reduce the false decision probability by increasing echo ' s snr

    雷達在噪聲背景中檢測信號是一個概率問題，提高雷達的檢測能力可歸結為如下兩個途徑： （ 1 ）在信噪比一定的情況下，選擇一最佳門限，使其在一定風險準則下錯誤判決產生的「代價」最小。 （ 2 ）提高回波信號的信噪比，從根本上減小錯誤判決的概率。
  6. First, the thesis introduces the basic theory and arithmetic of wavelet transform. secondly, based on the selection of diverse matrix function of wavelet, aiming at the given seismic data, we extract some character parameters of wavelet. following that, we carry on the analysis and comparison of the wavelet parameters in order to select the useful parameters

    論文首先介紹了小波變換的基本理論和演算法；其次，在選擇不同的小波母函數的基礎上，對給定的地震道數據進行小波特徵參數的提取；接著進行小波參數值的分析、比較，以優選油氣識別之用的小波特徵參數；然後進行小波特徵參數的綜合；最後，根據已知井位的油氣屬性，確定歸類的門檻值。
  7. With a high energy waveform, an increased detection threshold, soj can be neutralized

    對于soj產生的干擾，可通過選擇高能量波形，提高檢測門限來抑制。
  8. During the same period of tracking target, the immpdaf can manage radar too, such as adaptively selecting revisit time, detection threshold and radar waveform

    這樣的整個過程，使得在跟蹤目標的同時，也參與了雷達的管理，譬如自適應的選擇采樣時間、探測門限、探測波形。
  9. The point is put on how the size and the number of tracking gate affect the performance of target tracking initialization, then the scheme of selecting size and the number of tracking gate is brought out

    該演算法討論了多假設波門大小、多假設波門個數對多假設波門演算法航跡起始性能的影響，並提出了多假設波門大小、多假設波門個數的選擇方案。
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