頻帶級 的英文怎麼說
中文拼音 [bīndàijí]
頻帶級
英文
band level-
It is equiped with imported inverter, transmissing belt and air - intake machine ; convenient use, flexible adjustment, stable stepless speed regulating and high abrasing resistance
本機配用進口變頻,輸送帶,吸風機等部件使用方便,調整靈活,傳動部體無級調速運轉平穩,耐用度高。This paper refers to several creation in compatibility with large volume of fed display and conversion of different video signal. it firstly used special central chip al300, designed correlative circuits, successfully developed vga full - color fed console system, compatible with resolution 1280 1024, achieved functions such as multi - video signal conversion and interleaving, met vga ’ s resolution of fed. it firstly designed and fabricated vga interface and separated video interface - - s - video, converting several video signals to 24 bits full - colored digital image signal in fed driving system, achieved separation of luminance signal and chromatism signal, enhanced the bandwidth of luminance signal
首次採用平板顯示專用控制晶元al300 ,設計並製作了相關配套電路,支持的最高解析度是1280 1024 ,實現解隔行和多種視頻格式轉換的功能,滿足了fed顯示屏對vga解析度的要求。首次在基於fpga的vga級彩色fed控制系統中設計並製作了vga介面和分離電視信號s - video介面,可以將多種視頻信號變換為fed驅動系統可用的24位彩色數字圖像信號,實現亮度信號和色差信號的分離,提高了亮度信號的帶寬。We also proposed a reformed surface speed method based on the problems of surface speed method in engineering application. this method can make sure the structure radiant sound status in total noise and the detail phonate part quickly and correctly
根據表面速度法在工程應用中存在的問題提出了頻帶聲壓級差值法,該方法能快速準確地確定結構聲在總噪聲中的地位和結構的具體發聲部位。Jive savvily and aggressively marketed britney to the backstreet boys crowd, by including her songs on a backstreet boys cd sampler, offering free previews of her video which features the pop starlet doing her best lolita impression in a very short plaid catholic schoolgirl skirt and skintight baby tee to anyone who requested the backstreet boys " i ll never break your heart " video on cable music channel the box, getting her a slot alongside the boys on the sabrina the teenage witch soundtrack, and landing her generous coverage in us teenybopper mags like superteen, bop, teen machine and teen people - all this before her debut album, the somewhat suggestively titled. baby one more time, even came out
搖擺樂的盛行和入侵,在市場的驅動下布萊尼來到了後街男孩組合,在後街男孩的cd樣品中包含了她的歌,還免費提供了她的視頻預覽這位熱門的小明星在她的影帶中以花格呢的天主教女生短裙裝和緊身的baby tee ,贏得了極佳的印象。 「 i ll never break your heart 」 mtv登上了有線音樂頻道的排行榜,並且深受美國青少年的喜愛!隨之傳出了小甜甜布蘭尼與超級男孩timberlak和後街男孩nick carter的浪漫史。Preferred frequencies, frequency levels, and band numbers for acoustical measurements
聲學測量的優先選擇頻率頻率級和頻帶數Spontaneous emission can be totally suppressed or strongly enhanced depending on the relative position of the resonant frequency from the edge of the photonic band gap and the photonic mode density. several novel phenomena can be obtained. the spontaneous emission displays an oscillatory behavior, classical light localization, photon - atom bound state, nonzero steady - state population and anomalously large vacuum rabi splitting. and localized mode associated with a defect site in an otherwise perfect photonic crystals, acts as a high - q micro - cavity
通過原子上能級與光子頻率帶隙邊緣的相對位置或者光子態密度,可以抑制或增強原子的自發輻射。分析並得到了一些奇異的現象,如自發輻射的諧振子行為、光的局域、單光子?原子局域態、上能級中存在非零穩態原子布居數、類似於真空中的拉比頻率分裂等。Detail specification for multi - contact circular electrical connectors for d. c. and low frequency applications - bayonet coupling with front release, rear removable crimp contacts - full assessment level
直流和低頻用多觸頭圓形電氣連接件詳細規范帶有前面可釋放後面可拆卸的壓接觸點卡口接頭.全面評估級Abstract : we have studied theoretically a beat effect in a four - level system due to fifth - order optical polarization, and considered the cases that the pump beams have either narrowband or broadband linewidth. we have found that the accuracy for the energy - level splitting measurement is determined by the homogeneous linewidths of the optical transitions. that is to say, this technique can achieve doppler - free precision in the measurement of the energy level splitting between two excited states which are dipolar forbidden from the ground state
文摘:研究了四能級系統中基於五階極化的拍頻效應,考慮了抽運光束為窄帶線寬或寬帶線寬的情形.發現其對能級分裂的測量精度決定於光學躍遷的均勻增寬.也就是說,這種技術在測量與基態是偶極禁戒躍遷的兩激發態之間的能級分裂時,可得到消除多普勒增寬的精度First, how to conduct sample and quantification of continuous time signal which is prior condition of sdr is explored in detail, and the comparison and analysis of some sample modes are given in which band pass signal sampling theorem is most important. second, multi - sample rate signal processing which is an important basis of sdr is studied. emphasis are put on decimation and interpolation those are the most fundamental process and the realization of decimation and interpolation filter
在基於中頻采樣的軟體無線電結構框架下,首先詳細探討了軟體無線電的前提條件,即如何對連續時間信號進行采樣量化,比較分析了幾種采樣的方式,其中最為重要的是帶通信號采樣定理;然後探討了軟體無線電的一個重要基礎,即多采樣率信號處理,重點討論其最基本的兩個過程抽取和內插以及抽取器和內插器的實現;接著介紹了結構簡單、適用於一級抽取的cic濾波器和適用於做2倍抽取的半帶濾波器;再次論文在總結了傳統的調制解調基礎上,結合軟體無線電器件的特點,系統的探討並實現了基於正交思想的am 、 fm 、 ask 、 fsk 、 bpsk 、 qpsk的正交調制解調演算法。Helical - scan video tape cassette system using 8 mm magnetic tape - 8 mm video - video subcode
使用8mm磁帶的螺旋掃描盒式磁帶錄像系統. 8mm錄像機.視頻次級編碼Standard test method for evaluating masking sound in open offices using a - weighted and one - third octave band sound pressure levels
用a加權和1 3倍頻帶聲壓級評價敞開式辦公間掩蔽聲的標準試驗方法The application of multi - level delay charging method has change the conventional charging method and increase the effective energy in downgoing elastic wave, which has unique effect in increasing the bandwidth of effective wave, resolution, s / n ration and interference attenuation and is worth to propagate
多級延遲爆炸技術的應用,改變了傳統的激發方式,提高了彈性波下傳的有效能量,對提高有效波頻帶寬度、在提高解析度、信噪比、壓制干擾各方面,都具有獨特的作用,具有很好的推廣價值。Acoustics. reference zero for the calibration of audiometric equipment. part 4 : reference levels for narrow - band masking noise
聲學.聽力測定儀器的校準用基準0 .第4部分:窄頻帶遮蔽噪聲的基準級754 horizontal - component digital broad - band records in western north america are processed. the acceleration response spectra are calculated and used as part of the database. the response spectrum values are estimated by the earthquake magnitude definition and are used as another part of the database
將美國西部地區作為參考地區,對美國南加州地區的數字寬頻帶記錄進行了搜集與處理後作為觀測資料,共754條水平向記錄,與利用震級定義所估計的反應譜值一起,用統計回歸的方法建立美國西部長周期加速度反應譜衰減關系。High g micromachined piezoresistive accelerometers usually need wider bandwidth than the low range piezoresistive accelerometers, for example, the highest load acceleration of these sensors can arrive at the 100, 000g, the sensitivity is 0. 2 0. 4 v / gv, and the installation frequency can reach the magnitude of mhz
高量程加速度傳感器往往需要很寬的頻帶,例如高量程加速度傳感器量程可以達到100 , 000g ,靈敏度0 . 2 0 . 4 v / gv ,安裝固有頻率可以達到mhz量級。Electromagnetic compatibility - limits - guide to signalling on low - voltage electrical installations - emission levels, frequency bands and electromagnetic disturbance levels
電磁兼容性.第3部分:極限.第8節:低壓電氣設備信號傳輸指南.輻射級頻帶和電磁干擾級別Electromagnetic compatibility - part 3 : limits - section 8 : signalling on low - voltage electrical installations - emission levels, frequency bands and electromagnetic disturbance levels
電磁兼容性.第3部分:限值.第8節:低壓設備用符號.輻射級頻帶寬和電磁干擾級別Electroacoustics. instruments for measurement of aircraft noise. performance requirements for systems to measure one - thirs - octave band sound pressure levels in noise certification of transport - category aeroplanes
電聲學.航空噪聲測量儀.運輸機噪聲檢定的三分之一倍頻帶聲壓級系統測量用性能要求This paper analyses crystal oscillator ’ s character and technique targets, and the changes of these technique targets effect the time of crystal oscillator gives the error mode of crystal oscillator time, by discussing gps system and time service theory, we analyze random character of gps second pulse error. we combine long - time stability of receiver ’ s output signal and short - term stability
該系統成功地應用於寬頻帶地震記錄儀中,使地震數據記錄的時基精度達到微秒級,可以解決大范圍的地震儀布設應用時的授時和空間定位(經度、緯度、海拔)問題,為地震數據記錄、分析工作提供了與國際標準時間同步的時間基準。Adopting the electric machine with double frenquency tape brade, the main electric machine can make a stepless speed regulation and high order stop, and accurate cut - off and length - fixing
主電機採用雙變頻帶制動的電機,可級調速及高位停車;雙步進電機送料,使送料穩定、截切定長準確;光電跟中蹤自動糾偏;電熱溫度予置。分享友人