噪音頻帶 的英文怎麼說

中文拼音 [zàoyīnbīndài]
噪音頻帶 英文
noise band
  • 噪 : 動詞1. （蟲或鳥叫） chirp 2. （大聲叫嚷） make noise; make an uproar; clamour
  • 音 : 名詞1. （聲音） sound 2. （消息） news; tidings 3. [物理學] （音質） tone 4. （姓氏） a surname
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 音頻 : [物理學] [電學] audio frequency; vf （voice frequency）音頻電路 voice frequency circuit; 音頻振蕩...
  1. Because the speech signal is periodicity at sonant which vocal cords surge in low frequency and similarity to white noises at surd, the pitch can be detected in traditional way through the correlation operation without the speech produce model

    在人類語音的濁音段，聲帶發生較低頻率的振蕩，語音信號呈明顯的準周期性，而在清音段，語音信號則類似於白噪聲。
  2. The signal format of gps is analyzed, the principle models and mathematical models are established, the ber performance is analyzed in a channel interfered with wide - bandwidth awgn, narrow - bandwidth awgn, transmitted signal, single - tone signal respectively. based on the results above interference methods are discussed and simulated. then the performance of code acquisition and code trace of a digital gps receiver are discussed. the modem of linkl 1 and link4a are modeled and their ber performances are analyzed and simulated in channel s interfered with awgn, single - tone signal and multi - tone signal respectively

    建立了jtids的收發終端的數學模型，分析它在噪聲干擾、相關干擾、互相關干擾下的誤碼性能，提出較佳的干擾方法和干擾碼型，並進行模擬模擬；分析了gps的信號格式，建立了gps的原理框圖模型、信號數學模型，並對其在寬帶噪聲干擾、窄帶噪聲干擾、轉發干擾、單頻干擾等情形下的誤碼性能進行了分析比較，提出相對較佳的干擾方法，並做了計算機模擬，針對一數字式gps接收機中擴頻碼捕獲與跟蹤環的特性進行分析；建立了link11和link4a數據鏈調制解調數學模型，對它們在噪聲干擾、單音干擾、多音干擾等下的誤碼性能進行分析，最後對干擾情況進行了模擬模擬。
  3. The clues and techniques to improve the resolution of data processing are 1 ) removing the affection of near surface factors on data acquisition, including static correction and noise eliminating technique etc, 2 ) broadening the frequency band of pre - stack seismic data, including amplitude compensation and pre - stack deconvolution etc, 3 ) improving s / n ratio of high frequency and weak reflection signals through multiple coverage with high precision velocity analysis, residual static correction and high - order nmo, raising " dead line of high frequency reflection ", and 4 ) identifying post stack effective reflection frequency band, enhancing dominant frequency and so on

    主要包括：消除近地表因素對資料採集的影響，包括靜校正和噪音壓制技術等；疊前拓寬地震資料領帶，包括振幅補償和疊前反褶積技術等；藉助高精度速度分析、剩餘靜校正和高次項nmo技術，通過多次覆蓋疊加，消除資料中隨機噪聲干擾、提高資料信噪比，尤其是高頻端反射信息的信噪比，改善高頻反射和弱反射信號信噪比，提高「高頻反射死亡線」 ；疊後有限反射頗帶識別、抬高優勢頻率等。
  4. Transmition velocity relys on the style of encode and modulation essentially during modern data transmition for the quality of using line bandwidth and the immunity of code ties on them tightly. but it is important that the velocity of data transmition reaches its limitation in fact for the interface of environment and cross - talk. so for the improvement of transmition velocity, we must analyze the characteristics of noise signal and the model of line deeply and then take some useful measures to better the immunity of modulation wave

    在現代通信的數據傳輸過程中，傳輸速率本質上是由傳輸的編碼方式和調制方式決定的，因為編碼方式和調制方式直接決定了線路頻帶利用率和碼元抗干擾能力的好壞，因而直接決定了傳輸速率；但是在實際應用過程中，數據傳輸速率是不可能達到理想狀況的，因為環境干擾、串音干擾等因素的存在使得線路的頻帶不可能被完全利用起來；因此，必須認真分析線路的噪聲信號的特性以及噪聲線路的模型，以便在編碼方式和調制方式中針對性的做一些改進措施以改善調制波形的抗干擾能力，使得傳輸速率能夠進一步提高。
  5. Almost any piece of information available at the time of interaction can be seen as context information : identity, spatial information ( e. g., location, orientation, speed and acceleration ), temporal information ( e. g., time of the day, date, and season of the year ), environmental information ( e. g., temperature, air quality, and light or noise level ), social situation ( e. g., who are you with, and people that are nearby ), resources that are nearby ( e. g., accessible devices, and hosts ), availability of resources ( e. g., battery, display, network, and bandwidth ), physiological measurements ( e. g., blood pressure, hart rate, respiration rate, muscle activity, and tone of voice ), activity ( e. g., talking, walking, and running ), schedules and agenda settings

    幾乎任何在交互時可用的信息都能被看作環境信息：標識，空間信息（例如：位置，朝向，速度和加速度） ，時間信息（例如：某天的時間，日期，某年的季節） ，環境信息（例如：溫度，空氣質量，光或噪音的級別） ，附近的資源（例如：可訪問的設備，主機） ，可用的資源（例如：電池，顯示，網路和帶寬） ，生理度量（例如：血壓，心率，呼吸頻率，肌肉活動，語調） ，活動（例如：談話，行走，和奔跑） ，日程和內容設定。
  6. Firewire 800, also called ieee 1394b, provides the highspeed connection and bandwidth required for multiple - stream, uncompressed digital video and noise - free, high - resolution digital audio. it offers maximum flexibility with long - distance cabling and configuration options not available with usb

    Firewire 800 ，也稱為ieee 1394b ，它能為multiple - stream未經壓縮的數字視頻和無噪音的高清晰數字音頻提供所需的高速連接和帶寬。
  7. Aiming at the longer delay in the searching minimum of the noisy speech spectrum, a novel minimum band energy approach is proposed to speed up noise update

    針對傳統搜索頻譜最小值方法延遲較大的缺點，提出了最小頻帶能量演算法，加快語音幀內大部分噪聲的更新速度。
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