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- W is a zero mean white noise source. W是一個(gè)零均值的白噪聲源。
- Use of shield for return current to noise source. 用屏蔽體作為負載電流的返回路徑。
- This is avoidable by arranging the barriers to encircle the noise source. 要避免上述情況出現,可安排以屏障圍繞噪音源頭。
- The EMI noise source impedance of an SMPS is essential in EMC design. 開(kāi)關(guān)電源的電磁干擾噪聲源阻抗在電磁兼容性設計中是個(gè)非常重要的參數。
- The reference noise impacts the converter’s SNR and THD at higher ADC input voltages (Figure 2). 基準電壓噪聲影響輸入電壓較高的ADC轉換器的SNR和THD(圖2)。
- Linear ANC usually has little effect when the reference noise is nonlinear transform of the primary noise.So, nonlinear ANC should be used in that case. 當參攷通道中噪聲是主通道噪聲的非線(xiàn)性變換時(shí),采用線(xiàn)性ANC往往效果不好,此時(shí)應采用非線(xiàn)性ANC。
- This paper presents the acoustical holography method which can be used to identify noise source on a moving vehicle. 本文提出利用聲全息原理,對運動(dòng)狀態(tài)下的汽車(chē)噪聲源進(jìn)行識別的方法。
- Quadrupole source (30) A noise source in which four parts vibrate alternately in phase. 四極聲源(30)一種分成四部份而相位交替振動的噪音源。
- This article illustrate the acoustic character of this noise source, according to the observation and test cont... 本文通過(guò)對昆明東站鐵路降噪工程的觀(guān)測試驗項目,探討了減速頂噪聲的特性及治理措施。
- The method of noise source identification and location based on Wave Superposition Method(WSM) is proposed. 提出了基于波疊加的噪聲源識別和定位方法。
- Hydraulic impact which engender between proportional valve and hydraulic cylinder is important noise source. 操舵系統中,比例閥前的液壓沖擊是重要噪聲源。
- So, this paper uses mathematical morphology theory to catch heart sound envelope, and then composes the reference noise which is heavily correlative to the noise in the primary PCG signal. 在這里本文又引入了數學(xué)形態(tài)學(xué)理論,利用它提取了心音信號的包絡(luò ),然后合成了自適應濾波需要的參考。 這樣得到的噪聲信號雖然在心音成份部分不能保證與原心音中的噪聲相關(guān),但在心音間隙期二者是強相關(guān)的,利用這種相關(guān)性,在這里濾去間隙期的噪聲信號,得到了分界更清晰的心音圖,為心音成份的識別打下基礎。
- Boggess, L. B., "The Little Black Fan as a Noise Source", Noise-Con 83, 1983, pp. 217-222. 林育洲,軸流風(fēng)扇之數值與實(shí)驗分析,國立臺灣科技大學(xué)機械工程技術(shù)研究所碩士論文,1998年7月。
- The measuring method of switch power supply EMI noise source internal impedance IA also disclosed. 同時(shí)還公開(kāi)了利用本發(fā)明裝置測定開(kāi)關(guān)電源EMI噪聲源內阻抗的方法。
- Analytical results show that the unusual noise source is chiefly due to unsteady combustion. 測試結果表明,國產(chǎn)機噪聲異常主要是由于不穩定燃燒造成的。
- Don't refer to this matter again, please. 請不要再提這件事了。
- In fact any resistor is a much more complex device containing, at the very least, an inductance, a noise source, a capacitor and two thermocouples. 然而,電阻器的電路模型遠不是這么簡(jiǎn)單,它包含更多的內容,至少包含一個(gè)電感、一個(gè)噪聲源和兩個(gè)熱電偶。
- The method of sound array can also be feasibly used in the other mechanism or electric equipment to identify noise source. 進(jìn)一步說(shuō)明聲陣列方法在工作環(huán)境中有效實(shí)現機械或電氣設備噪聲源定位的可行性。
- The interference between points in the area noise source and the diffraction caused by wall were taken acount of in the calculation. 在對聲場(chǎng)的理論計算中分別考慮了面聲源中各點(diǎn)間的干涉和由壁障引起的衍射。
- cold body reference noise generator 冷基準噪聲發(fā)生器