main band 中文意思是什麼

main band 解釋
主帶
  • main : adj 1 主要的，主，全，總。2 充分的，盡量的；全力的，有力的。n 1 體力，氣力；力〈僅用於 with might...
  • 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；...
  1. The main contributions of this dissertation include : introduce the basic concept and class of pcma and then set up the base band transmission model

    本文承擔的主要工作如下: 1 、介紹pcma技術的基本概念與分類，分析其原理，然後建立了系統的基帶傳輸模型。
  2. Secondly, in the feature extraction stage, haar 2 - d wavelet transform is used in each band of the normalized image. the mean values and variances of the coefficients of 7 main wavelet channels are extracted as features

    該演算法通過對歸一化處理后虹膜圖像的各個小分割區域進行二維小波變換，提取出主要小波通道的小波系數均值和方差作為特徵值。
  3. Based on all these above, the results of main research are as follows : ( 1 ) a voice activity detection ( vad ) algorithm based on dct band - partitioning spectral entropy is proposed

    本文以此為基礎，並取得了如下研究成果: （ 1 ）提出了基於dct分帶譜熵的語音檢測演算法。
  4. Wide business scope : machining centers, numerically controlled machine tools, metal - cutting machine tools and forging equipments are main commodities we provide. we also provide small - size machines, fittings for machine tools, accessories for machine tools, band saw blades, machine tool maintenance, training of numerically controlled machine tool operation and programming, all classes of machining centers, numerically controlled machine tools, series of home - made and imported cutters, all sorts of blades for plate shearing machines, moulds for benders, numerically controlled punch dies and all other kinds of cutting dies, construction machines, fitting pieces

    廣泛的經營范圍：加工中心、數控機床、金切機床、鍛壓設備為主營產品，兼營小型機械、機床配件、機床附件、帶鋸條、機床維修，數控機床操作和編程培訓，各類加工中心，數控機床進口和國產刀具系列，各類剪扳機刀片、折彎機模具，數控沖模具及其它各種刀模具，建築機械、配件等。
  5. The main research works of this dissertation are aimed to design of radar waveform and the application of wavelets in ultra - wide radar, including : the design of a new kind of hybrid radar and the research of time side - lobe suppression for pulse compression, the design of receiver r adio front end in data acquisition of ultra - wide band radar, the time delay estimation based on wavelets ( packet ) analysis

    本文主要進行雷達波形設計研究以及研究小波理論在超寬帶雷達中的應用，集中體現在以下幾個方面：一類新的組合雷達波形設計及壓縮脈沖時間旁瓣抑制技術研究、超寬帶雷達多通道數據採集方法中前端射頻接收部分的設計及研製、基於小波（包）方法的時延估計方法。
  6. Based on the requirement of internal trade, oversea merchant and musical instrument jobber, we offer two kinds of string, in the main is our factory band string ( top grade parper box pack / medium grade hang bags pack / common plastic bags pack ), the other is the copy of famous band strings ( including daddario / fender / martin / yamaha etc

    另外，我廠為針對于國內/國外貿易商，樂器批發商，大琴行的需求，推出套弦兩大類，主類為本廠品牌包裝弦（高檔紙盒包裝/中檔掛袋包裝/普通膠袋包裝） ，輔類為高仿琴弦（達達里奧/芬達/馬丁/雅馬哈/等等）
  7. Third is to be released via mercury / island on april 29th 2008. the band will appear on the main stage at coachella on saturday april 26, 2008

    按照一般來說，提前幾個星期出現在網路上也是正常現象。官方時間也就2008年四月28 - 29號的樣子吧。
  8. Because period narrow band signals are the main part of background noises, this thesis uses hardware description language to design a multi - band finite impulse response filter ( fir ) and downloads the program into filed programmable gate array to eliminate the period narrow - band interferences in the background noises

    3 ）在現場環境中，背景干擾主要是周期性的窄帶，本文利用硬體描述語言（ vhdl ）設計了一個多帶fir有限沖擊響應濾波器。應用到可編程邏輯器件中，消除了背景噪聲中的周期性干擾，為信號的進一步處理提供盡可能幹凈的信號。
  9. There are three main reasons why most mainstream gerontologists remain so conspicuously absent from the growing band of vocal advocates of the sens approach to curing aging

    為什麼大多數老年學家仍然無動於衷于大力提倡治愈老化的sens途徑，這有三個理由。
  10. The main products are just like electric heater for freezer, metal heating tube, heating band cable, rv rvv wire and cable series, power cord plug cable, component for thermoatat, temperature sensor etc

    公司現主導產品為家用冰箱電加熱器金屬管電加熱器電熱帶發熱電纜rv rvv系列電線電纜電源線插頭限溫器組件溫度傳感器組件等。
  11. Double 12 - band lecer - meters can correctly show output of channel ( before push bar or after push bar ), main mixed sound output of left and right of marshallings output

    雙十二段電平表，更加精確，可分別指示通道輸出（推子前或推子后）編組輸出左右主混音輸出。
  12. Ortho-dichlorobenzene and certain xylenols have the weak band on the short wave-length side of the main band.

    在鄰二氯苯和一些二甲苯酚中，弱譜帶出現于主要譜帶的短波方面。
  13. The most convenience of the wlan service felt by news reporters, the main users, is that in the reporting rooms on the stand or in their working rooms, they can directly send text manuscript and images screened by digital camera to the newsroom through wlan wide band network. in the past, this is usually done when they come back to hotel or the news center to dial on the net. so the wireless wide band network service greatly reduced the time during which the reporters must wait for manuscript transmission

    記者作為這次wlan業務的主要用戶，他們感受到的主要方便之處在於：在看臺記者席、記者工作間可以直接通過wlan寬帶無線網路將文字稿件和數字相機拍攝的圖片發送到編輯部，而在此前記者多是回到旅館或在新聞中心利用電話撥號上網發稿，無線寬帶上網業務極大地縮短了記者的發稿等待時間。
  14. The main content and creative work in this dissertation include : 1. simulate the echoes of the radar, namely produce the lfm signals with band width equaling 5mhz, time width in 9 s ~ 42 s and analyze them in frequency domain pulse compression. at the same time suppress the clutter and indicate targets

    本文完成的主要工作和創新之處有: 1 .通過模擬模擬回波信號，產生了帶寬為5mhz ，時寬在9 s ~ 42 s范圍內帶目標和噪聲雜波的lfm信號，並對其進行了頻域脈沖壓縮的分析，抑制雜波並顯示出目標。
  15. The main content and creative work in this dissertation include : ( 1 ) the characteristics of the lfm signals with band width equaling 5mhz, time width in 9 s ~ 42 s, nlfm signals with band width equaling 5mhz, time width in 9 s ~ 21 s are analyzed in frequency domain pulse compression. the corresponding side - lobes suppression filters are designed and optimized

    本文完成的主要工作和創新之處有: （ 1 ）分別完成了對帶寬為5mhz ，時寬在9 s ~ 42 s范圍內lfm信號，帶寬為5mhz ，時寬在9 s ~ 21 s范圍內nflm信號的頻域脈沖壓縮的分析和旁瓣抑制濾波器的設計及優化。
  16. In this paper the main work includes the analysis of the rotation of special angles, the range of rotation angles in cordic algorithm ; analysis on what condition should be fulfilled to reach any target angle ; analysis and simulation on error band and output spectrum ; imple - mentation of the architecture on fpga device

    我所做的只是很小一部分，主要包括對cordic演算法中特殊角的旋轉和旋轉角度范圍;在何種條件下可以達到任意角度的分析;對許多問題比如誤差上限和輸出頻譜的計算機模擬;這種結構在fpga器件上的實現。
  17. We discussed the main characteristic parameters of seismic kinesiology and dynamics of mine engineering fracture zone, including relative amplitude, phase time of wave crest, similarity factor, principal frequency band energy, 3 - d space time gradient and coherent coefficient et al., and puts forward the processing method of 3 - d seismic characteristic parameters about denoise - smoothing, generalization, correlation analysis, characteristic transformation ; and presents the method of pattern recognition of mine engineering fracture zone

    摘要本文從時間域、頻率域、三維空間域介紹了礦山工程裂隙破碎帶主要的地震運動學、動力學屬性參數，包括相對振幅、波峰相位時間、相似系數、主頻帶能量、二維空間時間梯度和相干系數等，提出了礦山工程裂隙破碎帶三維地震屬性的去噪平滑、歸一化、相關分析、特徵變換的處理方法以及裂隙破碎帶的模式識別原理與方法，並用實例說明了該方法的應用效果。
  18. For slow targets whose doppler frequencies fall into clutter doppler band, the performance of frequency domain one - dimension filtering is seriously degraded. in an airborne radar, there is interdependence between the clutter doppler frequency and spatial position. space - time adaptive processing ( stap ) utilizes this interdependence to suppress clutter and get perfect main - lobe and side - lobe clutter suppression

    空時自適應處理利用機載雷達地雜波多普勒頻率與地雜波空間位置的耦合性，根據目標和雜波在空間-多普勒頻域二維空間分佈上的差別對雜波進行抑制。
  19. One 66kd band appeared except 44kd main band when go isozyme above was subjected to sds - page and ce - sds, indicating this go isozyme was similar to that from spinach leaves which contained 40kd and 66kd simultaneously. whether b - mercaptoethanol was added or not when go isozyme was subjected to in sds - page and ce - sds, 40kd main band and 66kd band still appeared, indicating two subunits were not linked by covalent disulfide. amino acid analysis shew that the ratios of basic to acidic amino acid of go isozyme and its 40kd acidic subunit were 0

    菜心go同工酶的sds - page和sds -毛細管電泳（ ce - sds ）顯示，該酶除了含40kd主帶外，還有很淺的66kd帶，和之前我們提出的菠菜go同工酶含40kd酸性亞基和66kd堿性亞基相似； sos - page和ce - sds電泳中，無論加入-巰基乙醇與否， go同工酶都只有40kd主帶和66kd淺帶，表明菜心go同工酶中40kd酸性亞基和66kd堿性亞基不是以共價二硫鍵相連；用制備性sds - page法獲得菜心go同工酶的40kd亞基，並和菜心go同工酶一起測定其氨基酸組成，該go同工酶及40kd亞基的堿酸性氨基酸的比例分別為0 . 66和0 . 54 ，表明40kd亞基可能是個酸性蛋白，而66kd帶則是個堿性蛋白。
  20. 40kd main band did not alter when go isozyme was subjected to sds - page, implying the phenomenon of pi change was not related to 40kd subunit degradability

    在sds - page電泳中， go同工酶始終只存在40kd主帶，表明go同工酶pi的變化與40kd亞基降解無關。
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