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- Furthermore, there is no signal frequency fluctuation and beat noise caused by interference and beating due to optical carrier orthogonally coupled in optical domain. 此外,光載波在光域中是正交耦合,消除了隨機干涉和拍噪聲對振蕩頻率的影響。
- While hunting on the3) seabed they emitted a4) weird5) medium frequency noise. 在海底獵食時(shí),們發(fā)出一種奇怪的中頻率雜音。
- While hunting on the 3)seabed they emitted a 4)weird 5)medium frequency noise. 在海底獵食時(shí),??欠3.;鲆恢制婀值鬧釁德試右簟
- While hunting on the seabed they emitted a weird medium frequency noise. 在海底獵食時(shí),它們發(fā)出一種奇怪的中頻率雜音。
- In pulse code modulation,a spurious signal formed from beats between the signal frequency and the sample frequency. 在脈沖編碼調制中,信號頻率和取樣頻率之間的差拍所引起的偽信號。
- This instrument can measure AC signal frequency either of the single phase voltage or of the tri-phase voltage. 本表既可測交流單相電壓信號之頻率,亦可測交流三相電壓信號之頻率。
- The criterions of high frequency noise,background noise and reduce coefficient were presented. 導出了原子光譜高頻噪聲判據,背景噪聲、壓縮系數關(guān)系判據;
- The high permeability of the ferromagnetic reeds in a reed relay causes a pronounced skin effect with increasing signal frequency. 干簧式繼電器中鐵磁簧片的高磁導率會(huì )隨信號頻率的增加而產(chǎn)生很強的趨膚效應。
- Use of high loss ferrite material for excellent high frequency noise absorption. 使用優(yōu)質(zhì)高衰減鐵氧體磁芯提高高頻噪音隔離.
- In pulse code modulation, a spurious signal formed from beats between the signal frequency and the sample frequency. 在脈沖編碼調制中,信號頻率和取樣頻率之間的差拍所引起的偽信號。
- In sound recording,a low frequency noise usually produced by regular variations in the speed of a system's mechanical component. 錄音技術(shù)中的一種低頻噪聲,通常由于系統機械部件的速度有規律變化而引起。
- It has sharp impedance characteristics at desirable frequency and it does affect the signal frequency. 在某一頻率區域內,其阻抗值急劇上升,從而在特定的頻率內可獲得較高的衰減速效果而對信號不產(chǎn)生影響。
- A false signal in telecommunication links from beats between signal frequency and sampling frequency. 假信號信號頻率和取樣頻率之間的拍子在無(wú)線(xiàn)電通信線(xiàn)路產(chǎn)生的假信號。
- By using this method, the impact on depressing the partial vibration and the radiation of the low frequency noise of the structure underwater is efficacious. 采用增大局部結構剛度的方法,對于降低水下結構的局部振動(dòng)與低頻噪聲輻射效果顯著(zhù)。
- The method tracks signal frequency by LMS algorithm and analyses the phase of output signal. 通過(guò)采用最小均方誤差自適應濾波算法 ,跟蹤信號的單一頻率 ,分析輸出信號的包絡(luò ) ,實(shí)現PCM/FSK信號的解調。
- In sound recording, a low frequency noise usually produced by regular variations in the speed of a system's mechanical component. 錄音技術(shù)中的一種低頻噪聲,通常由于系統機械部件的速度有規律變化而引起。
- They can also be helpful if the original signal frequency does not fit in the DUT testing frequency. 如果原始信號頻率不適合于DUT的測試頻率,信號濾波也非常有用。
- Helmholtz resonator has a good noise eliminating performance at low frequency.So it has been widely used on low frequency noise reduction. 摘要亥姆赫茲共振腔具有良好的低頻消聲性能,被廣泛地應用于低頻消聲方面。
- If the signal frequency to be measured is low, wide strobe gate is required for high measurement precision. 當被測信號頻率較低時(shí),需要很寬的選通門(mén)才能得到較高的測量精度。
- The large C1 cap rolls off the gain of the regulator starting at a low frequency so that high frequency noise isn't amplified by the error amp. 這個(gè)大的電容C1從一個(gè)較低的轉折頻率開(kāi)始滾降,所以高頻噪音沒(méi)有被誤差放大器放大。