相鄰通道 的英文怎麼說

中文拼音 [xiānglīntōngdào]
相鄰通道 英文
adjacent channel
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : 通量詞(用於動作)
  • : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
  • 相鄰 : adjoin; adjoining; adjacent
  • 通道 : thoroughfare; passageway; pass; enterclose; gallery; drong; tunnel; avenue; alure; way; row; key ...
  1. Analysis of non - adjacent channel crosstalk level of awg device induced by random phase errors

    波分復用器非相鄰通道串擾影響的分析
  2. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先,在闡述i / q正交調制基本原理的基礎上,過對誤差矢量和功率泄漏的詳細分析,定性、定量地討論了各種非理想電路因素(如位不平衡、幅度不平衡、直流偏差等)對調制器性能的影響;其次,介紹了鎖環的工作原理和基本組成部分,包括鎖環的設計和環路濾波器的設計,特別詳述了電荷泵鎖頻率源;第三,介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後,對整個直接射頻調制系統進行測試,結果基本上達到了課題要求。
  3. This paper is concerned with, the existence and stability of travelling wave solutions for the viscous balance law which is an extension of viscous conservation law where a reaction term g ( u ) is added. l ) the existence of travelling wave solutions by geometric singular perturbation method, we investigate the existence of travelling waves ( a2 ) connecting a saddle point and a sink point and the existence of viscous shock waves c connecting two adjacent or disadjacent saddle points. by giving a detailed analysis of the fast and slow manifolds and verifying the transversality of the intersection of singular stable and unstable manifolds of the reduced problem along the singular heteroclinic orbit, we obtain the existence of travelling waves ( a2 ) in the case of a convex flow function / and that of viscous shock waves c under the assumption that f " is bounded

    主要結果如下: 1 )行波的存在性本文利用[ 37 ]中幾何奇異攝動理論,過仔細分析= 0時的快流、慢流,驗證= 0時慢流方程的穩定與不穩定流形橫截交於奇異異宿軌,先在f為凸的條件下嚴格證明了( )存在連接不的鞍點、結點的行波( a2 ) ;然後在地f有界的條件下得到( )存在連接鞍點(包括和不)的粘性沖擊波c ,彌補了[ 11 ]缺少嚴格證明的不足,並推廣了[ 11 ]在f為凸的條件下得到的粘性沖擊波的存在性結果。
  4. Traditional multiuser detector make good use of all signals which resuilt in multiple access interference so that it provides optimum mai resistance. ( 1 ) nevertheless, it assumes that the receiver can acquire the signature waveform and timing of desired user and the interfering users ; ( 2 ) it has no ability to suppress intercell multiple access interference ; ( 3 ) it cannot be applied in downlink channels. adaptive multiuser detector eliminates the need to know the signature waveforms and the timing of the interferes and has to need training data sequences for every active user

    傳統多用戶檢測在單用戶檢測技術基礎上,充分利用造成多址干擾的所有用戶的信息進行聯合檢測,從而具有良好的抗多址干擾能力,但存在一些缺陷: ( 1 )不僅要求知期望用戶的地址pn碼及其定時信息,還要求其他干擾用戶的地址pn碼及其定時信息; ( 2 )不能消除其他小區的多址干擾對本小區的影響; ( 3 )不能直接應用在cdma移動信系統中的下行鏈路。
  5. Heroin peddling were carried out around canton road and waterloo road, and the neighbouring tai fat store and the first floor of the tai loy restaurant were used for meetings, dispensing bribes, and as a general command centre. the rear lanes surrounding the area and alleys inside the fruit market were the preferred drug transaction points. occasionally the syndicate would hide small packets of " white powder " in the counter on the first floor of the tai loy to be picked up by the " field mines " - drug carriers who solicited business in the streets

    他們盤據廣東與窩打老一帶,利用的大發士多和大來酒樓大來二樓作為訊及聯絡中心,附近的橫巷和果欄就是毒品交易的場地他們間中也會將小量白粉存於大來二樓的櫃臺,方便地雷即販毒集團內專責帶毒的計取用。
  6. The spectral and group delay characteristics are studied and the potential uses of this type of grating for wavelength selection and dispersion compensation are discussed. a novel scheme of oadm configuration based on linearly chirped moir fiber gratings is proposed. we have designed a lcmfg to compensate dispersions for eight channels at the same time

    在此基礎上,提出了一種新型的基於線性啁啾moir光纖光柵的光分插復用器( oadm )的結構設計方案;並設計出一種中心波長、中心波長間隔都符合itu規定的dwdm波長標準的基於線性啁啾moir光纖光柵的多色散補償器件。
  7. High logical connectivity is another advantage of dtm ' s multichannel interface and switching features ; network nodes can easily be connected with nodes other than their physical neighbors

    高度的邏輯連接是dtm多介面和交換特性的又一優點,網路節點很容易與其它非物理的節點連。
  8. Abstract : yanchang series is a typical low permeability reservoir, and its favourable sandstone reservoir is delta facies. heavy compaction, cementation and heterogeneity exist in it. according to the analysis of the main control factors of forming the secondary pore, it is held that the secondary pore in longdong area is controlled by both favorable facies belt and abnormal formation pressure. it is also held that the formation of the abnormal formation pressure is due to the dewatering of the clay mineral during diagenesis because the dewatering time is identical with the decarboxylation time of organism. organic acid and co2 are driven to adjacent favorable reservoirs under the abnormal formation pressure, and a lot of secondary pore is produced in the runners. from the present exploration result, it is useful to predicting the development of secondary pore to study the distribution of abnormal formation pressure

    文摘:陜甘寧盆地三疊系延長統是國內外典型的低滲特低滲油田,儲集層主要為三角洲砂體,壓實作用和膠結作用強烈,儲層非均質性非常嚴重,因此預測次生孔隙發育帶是尋找油氣聚集帶的關鍵.過對陜甘寧盆地隴東地區延長統次生孔隙形成的主控因素分析,認為陜甘寧盆地延長統次生孔隙的形成除了受沉積有利帶控制外,還與地層異常壓力的作用密切關.研究認為隴東地區異常壓力的形成機理主要由於成巖過程中粘土礦物脫水作用.粘土礦物大量脫水時間正好與有機質脫羧期一致,從而在異常壓力作用下將生油巖中的大量有機酸及co2帶到與之的儲集層中,並沿著有利儲集帶運移,在酸性水經過的地方形成大量的次生孔隙,為後期油氣運聚提供有利及宿住空間,從現今的勘探結果來看,過研究地層異常壓力縱橫向分佈特徵,並結合有利帶研究預測次生孔隙育良帶是行之有效的方法
  9. Yanchang series is a typical low permeability reservoir, and its favourable sandstone reservoir is delta facies. heavy compaction, cementation and heterogeneity exist in it. according to the analysis of the main control factors of forming the secondary pore, it is held that the secondary pore in longdong area is controlled by both favorable facies belt and abnormal formation pressure. it is also held that the formation of the abnormal formation pressure is due to the dewatering of the clay mineral during diagenesis because the dewatering time is identical with the decarboxylation time of organism. organic acid and co2 are driven to adjacent favorable reservoirs under the abnormal formation pressure, and a lot of secondary pore is produced in the runners. from the present exploration result, it is useful to predicting the development of secondary pore to study the distribution of abnormal formation pressure

    陜甘寧盆地三疊系延長統是國內外典型的低滲特低滲油田,儲集層主要為三角洲砂體,壓實作用和膠結作用強烈,儲層非均質性非常嚴重,因此預測次生孔隙發育帶是尋找油氣聚集帶的關鍵.過對陜甘寧盆地隴東地區延長統次生孔隙形成的主控因素分析,認為陜甘寧盆地延長統次生孔隙的形成除了受沉積有利帶控制外,還與地層異常壓力的作用密切關.研究認為隴東地區異常壓力的形成機理主要由於成巖過程中粘土礦物脫水作用.粘土礦物大量脫水時間正好與有機質脫羧期一致,從而在異常壓力作用下將生油巖中的大量有機酸及co2帶到與之的儲集層中,並沿著有利儲集帶運移,在酸性水經過的地方形成大量的次生孔隙,為後期油氣運聚提供有利及宿住空間,從現今的勘探結果來看,過研究地層異常壓力縱橫向分佈特徵,並結合有利帶研究預測次生孔隙育良帶是行之有效的方法
  10. The tbc algorithm simulates that wave near the boundaries is plane wave, and its amplitude and direction are decided by trial and error. in this thesis, the operation principle of an awg is introduced and the structure parameters of 8x8 awg with its central wavelength 1550. 12 / 7 / n and channel spacing 3. 2nm are designed by discussing the crosstalk to neighboring waveguide, the insertion losses and losses equal, etc. this thesis employs the waveguide theories to analyze the slab waveguide and the arrayed waveguide, and offers the distributions of stable optical fields

    本文旨在設計一個中心波長為1550 . 12nm 、波長間隔為3 . 2nm的8 8awg波分復用器,過綜合考慮波導間的最大串擾、插入損耗、帶寬度以及各損耗均勻等指標來設計、優化awg的各個結構參數,如輸入、輸出波導和波導陣列中波導的間隔,平板波導的聚焦長度,波導陣列中波導的長度差等。
  11. The address of market is no 150 huanchen road jia ding district. the neigh boring of it is hajia highway, huyi road national highway. the traffic of it is expedient

    市場地處嘉定區環城路150號,與滬嘉高速公路、滬宜路國,交方便。
  12. It was found that cellular contents, including chromosomes and organelles, could migrate from one cell to its neighboring, via cytoplasmic channel

    觀察發現,處于凝線期的花粉母細胞,其內含物,包括細胞器和染色質,過胞質細胞發生轉移。
  13. The directional routing protocol ds _ dsr put forward by the author is the improvement of the current protocol dsr, complete routine discovery and maintenance by directional neighbor nodes routing table, source routing and directional steering. the research discovers the application of the directional antenna, compare the omnidirectional antenna can increases the networks " total throughput, obviously reduces the co _ channel interference ( cci ), multiple access interference ( mai ), enlarges the nodes " signal and interference to noise ratio ( sinr ), and because of the high gain of directional antenna can realize the communication with farther distance and less jump, end to end delay can decrease deeply, simultaneously, security of networks can be improved partially, the node energy also can be saved easily by power control

    本文提出的定向路由協議ds _ dsr是基於對現有協議dsr的改進下實現的,過定向節點路由表、定向源路由和定向搜索來完成路由發現與維護。研究發現,定向天線的應用,比全向天線可明顯提高網路的總的吞吐量,減少干擾、多址干擾,提高信干噪比,且由於定向天線的高增益可實現較遠距離、較少跳數的信,減少了路由發現時間,這樣大大減小了傳輸時延,網路的整體性能得到了不同程度的提高,同時部分地解決安全問題,過功率控制還可較容易的實現節能的目的。
  14. From the research of ijf - oqpsk, we draw the conclusion that, compared with bpsk, qpsk and msk modems, in the band - limited and non - linear channel, it has nearly constant envelope, less spectral spreading, better pe performance and the less interference of the adjacent channel, et. so, it is more suitable for the satellite communication channel

    過對ijf ? oqpsk的分析研究可知,它對于傳統的bpsk和qpsk調制方式,在帶限非線性下,具有包絡近似恆定,頻譜擴展小, eb no惡化小,對產生干擾弱等優點,因而它更適合於衛星
  15. Simulated annealing of multi - parameters optimization is the simulated annealing wave impedance inversion with some constraints, including s / n ratio, adjacent - channel correlation, deviation of initial model, and threshold value of reflection coefficient

    摘要多參數優化的模擬退火法波用抗反演是過調整地震資料信噪比,關性、初始模型偏差、反射系數門檻值等約束條件進行地震資料反演的。
  16. Adjacent channel isolation

    相鄰通道隔離度
  17. Each igloo has corridors leading to its horizontal and vertical neighbors ( no diagonal corridors are allowed )

    每座冰屋以水平或垂直的接的冰屋連結(但沒有對角方向的) 。
  18. No safety pillars shall be mined without authorization and no dangerous methods, such as water bursting, blasting and breaking through roadways, which may threaten the production safety of adjacent coal mines shall be adopted

    采礦作業不得擅自開采保安煤柱,不得採用可能危及煤礦生產安全的決水、爆破、貫等危險方法。
  19. After the 8x8 silica - awg was packaged, all the channels " insertion losses ranged between 4db and 8. 2db, all the adjacent - channel - crosstalk was below - 23db, and all the nonadjacent - channel - crosstalk was less than - 30db, repect

    8 8二氧化硅awg封裝后測得所有的插損值在4 8 . 2db之間,所有相鄰通道串擾小於- 23db ,所有非相鄰通道串擾小於- 30db 。
  20. The above circumstances will create some difficulties for the design of a discharge header pressure of coke oven control system, whose difficulties make it hard to realize an accurate control. in this paper, after comparing the difference of some kinds of decoupling control method, aiming at the feature of the coke oven pressure system and based on the coupling phenomena caused by the fluctuate between border upon channels, using the theory of feedforward and thinking about the influence between the fan suction and the discharge header pressure, a kind method of fuzzy feedforward is presented and used to control the discharge header pressure

    本文在比較了目前各種解耦方法的優缺點后,針對集氣管壓力控制的特點,基於相鄰通道的波動引起的耦合現象,採用前饋補償原則,同時考慮鼓風機吸力對集氣管壓力的影響,將常規pid控制技術、多變量經典控制技術和多變量模糊控制技術結合,提出了一種基於模糊邏輯的模糊前饋解耦方法,用於集氣管壓力控制。
分享友人