窄帶脈沖信號 的英文怎麼說

中文拼音 [zhǎidàimàichōngxìnháo]
窄帶脈沖信號 英文
narrow-band ping
  • 窄 : 形容詞1. （橫的距離小） narrow 2. （心胸不開朗; 氣量小） petty; narrow 3. （不寬裕） hard up; badly off; short of
  • 脈 : 脈名詞1. （動脈和靜脈的統稱） arteries and veins2. （脈搏的簡稱） pulse 3. （像血管的組織; 連貫成系統的東西） vein
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  1. Female courtship signal of the brown planthopper was made of many continuous regular pulses and male ' s signal was made of similar syllabics and had two types with different time domain characteristics. second male vibrational signal differed from male courtship signal with wide spectrum range and regular syllabics frequency. time domain characteristics of signals in different individuals even the same individual were different

    頻域特徵分析知，褐飛虱雌蟲求偶嗚聲信號的頻域特性較穩定，個體內比個體間差異小；雄蟲求偶嗚聲信號s 、 e片段頻譜范圍較寬，但主振頻率比較接近，差異不顯著； m片段頻帶較窄，主振頻率mvf略小於s 、 e片段，變異較小； m片段脈沖重復頻率prf為幻
  2. First, this paper research and analyze the feature of signal of pulse doppler radar, and the mathematic model of radar is constructed. the several interference methods that narrow - band suppressing interference, range deception interference and velocity deception interference are discussed. and interference ability is evaluated and simulated

    研究和分析脈沖多普勒雷達信號特徵，建立了該種雷達的數學模型，並討論對脈沖多普勒雷達的窄帶噪聲壓制式干擾、距離欺騙干擾、速度欺騙干擾等幾種干擾樣式，並進行干擾性能評估和模擬研究。
  3. This paper designs a measurement system and measures the main properties of power line practically. the characteristics of power line are analyzed in detail, and a power line channel model is presented which consists of the parametric transfer function model and the simulating model of background noise, narrow noise and impulse noise. simultaneously the simulating method on the computer is presented

    本文設計了一個測量系統對實際電力線通道的主要特性進行了測量，詳細分析了電力線的信號傳輸特性和噪聲特性，給出了一個實用的室內電力線通道模型，包括參數化的傳輸函數模型以及背景噪聲、窄帶噪聲和脈沖噪聲的近似模型，並給出了計算機模擬實現方法。
  4. In this topic, an adc circuit and data - storage system for all digital ultra - wideband receiver was designed, and the ultra - wideband narrow pulse signal that is received is digitalized, using an ultra - high - speed a / d convertor

    本課題設計了一個全數字化超寬帶接收器的adc電路及數據存儲系統。利用一個超高速的ad轉換器，對超寬帶窄脈沖信號進行數字化。
  5. This dissertation is mainly concerned about the radiation of the tem - horn arrays which radiate uwb ( ultra wideband ) pulse, it mainly involves three parts : theory, numerical stimulation and experiment. the uwb antenna is a new research field in the world which has many differences from nb ( narrow band ) antenna. the most difference is that the uwb antenna such as tem - horn radiates nanosecond pulse which has wide frequency spectrum, but the nb antenna radiates single frequency signal

    超寬帶天線是一項新興的研究領域，它與窄帶天線有很多不同之處，最根本的不同在於：超寬帶天線例如tem喇叭天線是輻射納秒級短脈沖信號，這種脈沖信號有很寬的頻譜；而窄帶天線大都是輻射單一頻率時諧信號的。
  6. The above waveforms discussed are to synthesize the wb or uwb with narrow band pulses. assuming the transmitting uwb linear frequency modulation ( chirp ), dechirp processing is introduced, and the method involved to obtain high resolution by reducing the if bandwidth is presented. furthermore, dechirp processing used to sar imaging is discussed, and the processing steps are described

    < wp = 4 >以上研究的兩種信號形式都是通過窄帶子脈沖串相參合成的方法來獲得超寬帶回波信號，本文還探討了去斜率（ dechirp或stretch ）方法，分析了去斜率降低接收機中頻帶寬、 fft獲得目標一維距離像的原理，並探討了線性調頻去斜率合成孔徑雷達成像，給出了具體實現步驟。
  7. The fir filter supplies a possible clean signal for further processing. 4. by processing the sampled signal including contain noise and partial discharge signal, narrow band period signals are filtered, but some period impulse signals ca n ' t effectively be suppressed

    4 ）通過對局部放電信號的預處理，窄帶的周期性干擾信號被濾除，但是一些周期性的脈沖信號由於帶寬較寬未能得到有效抑制。
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