band level 中文意思是什麼

band level 解釋
頻帶級
  • band : n 1 帶，繩；帶形物；箍；箍條；嵌條；鑲邊；鋸條； 〈pl 〉 （法官等的）寬領帶。2 束縛，羈絆；義務；...
  • level : n 1 水平儀，水準儀；水準測量。2 水平線，水平面；水平狀態；平面，平地。3 水平，水準；水位；標準；...
  1. On data level, it is firstly explored fusing signature data from sparse - band collocated radars to obtain wider band target frequency response. the most difficult problem which restricts the fusion process is the lack of mutual coherence between the various radar subbands

    在數據層，首先探索了對多個配置在同一地方的不同頻帶雷達測得的目標頻率響應進行融合，以獲取更寬頻帶目標頻率響應的方法。
  2. The distance between the acoustic-emission source and the receiving transducer, and the background noise level are primary factors in selecting a particular frequency band.

    聲發射源與接收訊號傳感器間的距離以及環境噪聲的電平是選擇頻帶的主要依據。
  3. Sub - level caving mining with seam of thickness dirt band

    含厚夾矸煤層的綜放開采
  4. Level vestigial side band 8 - vs

    八級殘余邊帶
  5. A parametric psychoacoustic model based on critical band rate, level - dependent spreading function, non - linear superposition and forward masking was proposed

    摘要提出了基於臨界頻帶率、依賴于強度的擴展函數、非線性迭加和前向掩蔽效應的參數心理聲學模型。
  6. To decimators of multi - level system designed based on the hb filter and cic filter, analysis of the filter design parameters involved, whose theory applied to multi - level cic filter of design, and designed half band filter with distributed algorithms. compared to the simulation results. these advanced algorithms applications, and further increase hardware efficiency and operating speed

    對于基於積分梳狀（ cic ）濾波器和半帶（ hb ）濾波器的多級系統設計的抽取濾波器組，分析了濾波器設計中所涉及的各個參數，將剪除理論應用於多級積分梳狀（ cic ）濾波器的設計中，並且採用分散式演算法（ da ）來設計半帶（ hb ）濾波器，並對模擬結果進行比較，這些先進演算法的應用，進一步提高了硬體效率和運行速度。
  7. Our company is specialized in supplying all kinds of terminal block, switch test double block, ground block, fuse block, three - level sensor block with light, double block, universal block, integral block, nylon cable ties, cable ties, releasable cablle ties, self - locking cable tie, marker calbe ties, flexible pipe, cable marker, expansion nail / plug, wire joint, cable clamp, nail clip, screw on wire connector, self - adhesive tie mount, spiral wrapping band, wire connectors, cable tie mounts, nylon fasteners, cable gland, nylon ties, cable terminal, terminals, terminal connector, wiring duct, pre - insulated terminals, cable markers, electrician tools, cabling accessories, plastic cable ties, wire tie, tie wrap, beaded tie wraps, tie wrap adhesive, tie wrap tool, cable, wires, terminal connector, terminal block, nail, nylon cable glands, pe tubing and quick screw connector, circle nail cable clips, self - adhesive tie mounts, expand nails, spiral wrapping bands, screw on wire connectors, copper connecting terminals, pre - insulated electrician tools, wire connectors, cable tie mounts, nylon fasteners, nylon ties, cable terminal, pre - insulated terminals, cabling accessories, plastic cable ties, wire tie, tie wrap, beaded tie wraps, tie wrap adhesive, tie wrap tool, cable, wires, terminal connector, terminal block, nail, nylon cable glands, cable accessories, wiring accessories etc. we offer superior product and best service with competitive price

    我們公司是專門供應各種終端塊，交換機測試雙重座，地面座，保險絲座，三層傳感器座輕型雙座通用塊，積分塊，尼龍電纜聯系，電纜聯系，松解錨索關系自鎖式電纜接頭，光纜標記關系，軟管，電纜標記，膨脹釘/插頭，電線接頭，電纜鉗，夾釘，螺絲電線連接，自粘配合摩，螺旋帶包，導線連接器，線纜配合固定座，尼龍緊固件，電纜壓蓋，尼龍關系，電纜終端，終端，終端連接器，電線導管，預終端絕緣，電纜料，電工工具，電纜配件，塑料電纜聯系，配合鋼絲，為配合劇情，串珠配合纏上搭膠包裹，包裹配合工具，電纜，電線，終端連接器，終端塊，釘，尼龍索腺體，聚乙烯管材及快速接頭螺絲，圓釘電纜夾，自粘配合固定座，擴大釘，螺旋帶包螺桿導線連接器，銅接線端子，預絕緣電工工具，電線接頭，電纜接頭固定座，尼龍拉鏈，尼龍關系，電纜終端，預終端絕緣，電纜配件，塑料電纜聯系，配合鋼絲，為配合劇情，配合串珠包，搭包膠，配合工具包，電纜，電線，終端連接器，終端塊，釘，尼龍腺體電纜，電纜配件，線路配件等，我們提供卓越的產品和最好的服務，具有競爭力的價格
  8. The temperature dependences on the resistance in all the thin films show that in the low temperature range the width of eg band level changes the transports, but in the high temperature range the thin films forms the small polarons hopping conductivity. the phase transition induced by the current is explained by the demagnetization and lattice distortion

    在高溫部分，材料呈現小極化子跳躍形式輸運特徵；實驗研究了不同偏置電流對薄膜的相變影響，表明電場可以引起材料中磁性的變化和晶格畸變，導致相變溫度點向低溫方向移動；材料的光致相變研究表明光子能量、光強和極化方向對輸運性質有影響。
  9. Experiments show that, when use msp430f149 audio sensor to identify vehicles that contain plane, tank, truck and so on by time domain features and two - level f - ratio, the recognition rate is 82. 1 % ; when use both msp430f149 audio sensor and arm9 sensor to identify vehicles, and the recognition rate is much better than the original system and msp430f149 audio sensor. line spectrum of power spectra and 3 / 2 spectrum is used as frequency features on arm9 sensor, and it is caught by narrow - band bandpass filter

    實驗證明，在主頻為8mhz的msp430f149感知器上，採用基於時域特徵和二階f比的識別演算法，能夠實時地完成對飛機、坦克、卡車等交通工具的識別;將msp430f149感知器與基於arm9的高端感知器配合使用，且高端感知器採用功率譜線譜或3 / 2維譜線譜作為頻域識別特徵，能夠實時的對各類交通工具做更高性能的識別。
  10. The empty spaces in the conduction band are at too high an energy level to be of use

    導帶里的空間則由於能量太高而無法利用。
  11. The quenching centers aroused by mn2 + introduction merely quench the orange emission of colloidal zns : mn2 + nanocrystals. the quenching process of this kind of quenching centers, which reduce the energy of 4t1 level rather than that of conduction band, is different from that of the quenching centers eliminated by zn2 + introduction. the quenching data is analyzed considering the distribution of mn2 + additives adsorbed at the surface of colloidal nanoparticles

    Mn ~ （ 2 + ）表面修飾引起的表面猝滅中心只對橙光發射有猝滅作用，這些猝滅中心和外加zn ~ （ 2 + ）消除的表面猝滅中心猝滅行為不同，它們只減少來自內部mn ~ （ 2 + ）雜質~ 4t _ 1能級上的，而不是zns基質導帶上的能量。
  12. The coherent excitation property of a two - level atom with a hyperfine structure in narrow band laser field

    窄帶激光與能級具有超精細結構的二能級原子的相干激發
  13. In this thesis, provincial rtvu and prefecture - level rtvu in gansu province is taken as an example, considering the disequilibrium of economic development of the western and eastern areas, through the investigation of current situation, analysis, according to regional disparity and actual conditions of gansu province, the author try to construct learning support services system based on satellite broad band with western characteristic

    本論文以甘肅省廣播電視大學為例，選取部分電大分校和開放教育教學點為對象，通過對現狀的調查、分析，並考慮到東西部經濟發展的不平衡，根據地區差異和甘肅省的實際情況，嘗試構建出衛星寬帶遠程環境下具有西部特色的學習支持服務系統。
  14. As a result, the fermi level at the surface will shift towards the valence band maximum ( vbm ). accordingly the band bending increases, and the surface depletion layer thickness enhances, therefore, the channel thickness reduces. this is the main factor resulting in the decrease of saturated drain - source current

    表面費米能級向價帶頂移動，能帶彎曲加劇，肖特基勢壘高度增加，表面耗盡層變厚，導電溝道變窄，是導致源漏飽和電流下降的主要因素。
  15. A significant level of 3galt - 1 transcript was present in the brains of 18 - day - old mouse embryo, newborn and 1 - week - old mice. hereafter, its level decreased markedly. densitometry analysis indicated that the p3galt - l band was 10 - fold more intensive in the 1 - week - old mouse brain than that in the 12 - week - old, indicating that 3galt - l mrna was expressed at a developmentally regulated way

    我們用northernblot的分析方法發現在18天齡胚鼠、新生鼠和1周齡鼠的腦組織中3galt - 1表達很高，隨著發育進程，它的表達水平明顯降低：灰度掃描定量分析表明1周齡鼠腦中3galt - 1的表達量大約是12周齡鼠腦表達水平的10倍，這說明3galt - 1的表達是受發育調控的。
  16. We analyzed the anti - jam and band inside anti - interfere performance of the system, and the low probability intercept ( lpi ) of the traditional direct sequence spread spectrum ( dsss ) modulations in the uav platform ' s applications. so a new modulation technique using a multi - level pseudo noise ( pn ) code has been presented. the new multi - level pn code is built from a high speed pn code through a low passed filter ( lpf )

    分析了系統抗阻塞式干擾和抗帶內頻帶干擾的性能，以及常規bpsk qpsk - dsss調制在無人機通信中存在的安全隱患，提出了一種用多電平pn碼進行擴頻調制的方法：採用高速pn碼，經過低通濾波器，產生多電平pn碼進行直序擴頻調制，能在低信噪比情況下有效抵抗平方率檢測器對系統載波的檢測。
  17. Fem and bem is very adapted to predict the noise level in lower frequency, but they need to describe the geometry of structure detailedly which is wasting - time for many modes in system and high frequency, wide band and random variable

    有限單元方法和邊界單元方法可以較好地預示低頻環境噪聲，但需要較為詳細地描述結構的幾何特性。對于時間上是隨機的寬帶高頻分量，結構中存在大量模態的情況有時是費時的。
  18. The propagation characteristics of underwater acoustic channels and their influences on long - range information transmission are studied thoroughly. based on the sonar equation, the optimal frequency band is abtained. from the calculation about transmission loss, the source level is forecasted. based on the random time varying channel theory, the fading characteristics of long - range underwater acoustic channels are analyzed

    系統、深入地研究了水聲通道特性及其對水聲遠程信息傳輸系統的影響；從聲納方程出發，確定了系統的最佳工作頻段；在聲傳播損失計算的基礎上，給出了聲源級的預報；基於時變通道理論，描述了遠程水聲通道的衰落特性。
  19. Generally, the gravity introduced deformation of an optical lens with smaller aperture ( < ( 100mm ) within visible band is about ( / 20 even less than this value. for general optical lens, this error level can be entirely neglected. but for the high - accuracy optical system within extreme ultraviolet band, the error caused by gravity deformation will lead to imaging quality degradation

    本文較為系統地介紹了光學鏡頭的裝配與調校方法，一般地講，在可見波段內，光學鏡片口徑較小（ < 100mm ）時，重力引起的變形一般/ 20左右甚至更小，對於一般的光學鏡頭這樣量級的誤差完全可以忽略，但在極紫外短波長的高精度光學系統中重力變形帶來的誤差會使光學系統成像質量下降。
  20. The results showed that pcr applify a 485 specific molecular band in 672 individuals, the rate of positive reaction is 60 %, southern blot result shows a strong signal in transgenic fish. it is concluded that hu - - ifn gene has been integrated and expression. it is also that foreign gene integrating position and copy number is different individuals, by elis a detecting, 23. 5 % transgenic fish " were detected hu - - ifn gene expression in all 672 transgenic fish, but expression level of hu - - dfn is significant difference in different individuals and growth period

    2000年共顯微注射32197粒草魚受精卵，出苗12945尾草魚魚苗，經孵化培育最後獲得1120尾五寸左右草魚，對1120尾草魚提取血液總dna進行pcr和southern雜交檢測， 2000年轉導的草魚的pcr檢測結果，有672尾草魚即600k轉化個體的總dna能擴增出一條485kb的特異分子帶，說明轉化個體整合有huj ifn基因，經southern雜交進一步證實，轉入的抗病相關基因己在轉基因草魚體內染色體上得以整合，但整合位點沒有固定區域，整合的拷貝數存在較大差異。
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