通道間效應 的英文怎麼說

中文拼音 [tōngdàojiānxiàoyīng]
通道間效應 英文
intermodal effect
  • : 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) ...
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • 通道 : thoroughfare; passageway; pass; enterclose; gallery; drong; tunnel; avenue; alure; way; row; key ...
  • 效應 : [物理學] effect; action; influence
  1. Heredity modes of 6 traits were studied by analysis of population genetics, by the method of family combination analysis, by the methods of proband ' s sib analysis, segregation analysis, the threshold model of polygenes, and analysis of typical family trees, according to the data of the 72 families. the relative importance between genetic and environmental effect on each character was evaluated by comparing the coherence of twins. gene frequencies of 5 genetic characters, calculated from han group in huhhot, were compared with other groups by u - test so as to study the population or nationality difference in heredity

    採用群體遺傳學分析、家系組合分析法、先證者同胞法、分離分析法及多基因閾值模式分析方法對所得家系資料進行了統計學分析,結合家繫系譜分析探討了上述6項特徵的遺傳方式;過雙生子一致率的比較,對上述特徵的遺傳與環境的相對重要性進行了評價;計算了呼和浩特市漢族群體5對遺傳性狀的基因頻率,採用u檢驗方法與相關文獻報的其他群體進行了比較,探討了不同種族或民族的遺傳差異性。
  2. Shortwave channel is time varying transmission channel. it has dispersion in frequency and time domains. this characteristics hinds the data transmi - ssion at high speed and the correction of received data. in this dissertation i have analyzed the statistic characteristic of shortwa - ve channel, established the model of shortwave channel and simulated the rayl eigh fading distribution. the technology of spreading spetrum has been proved that it has the capability for anti - multipath and discerning multipath

    在短波信中,由於的時色散和頻率色散,引起多徑展寬和多徑衰落,前者限制了數據的傳輸速率,後者造成短波數據信中出現突發錯誤,為了解決多徑對短波信的影響,本文所做工作如下:首先詳細分析了短波的統計特性,建立其數學模型;其次分析了擴頻信的特點,從理論上證明擴頻技術不僅具有抗多徑干擾能力,而且具有分離多徑的能力;介紹了傳統的rake分集合併技術的特點。
  3. This paper analysos guangzhou umt and the real estate along lines, discusses the interactive effect of the real estate development and umt

    以廣州市軌沿線房地產的實例進行分析,闡述城市軌與沿線房地產開發之的互動
  4. By using ofdm technology, we can redu ce the baud rate with a high frequency spectrum utility factor. another advantage of this technology is that the transmission can combat the intersymbol interference ( isi ) at the receiver without complex adaptive equalizer

    Ofdm既有較高的頻譜利用率,也有地降低了碼速率,在不使用復雜的均衡技術的條件下仍然可以較好地克服接收時由多徑帶來的碼串擾( isi ) 。
  5. The paper, which is based on the " research and development of the speed - up train ' s manipulation of optimization and train simulator " project, concerns the sound system in the train simulator. in the paper, the sound system includes two parts contents : firstly, improving the sound effect of the sound simulation system in the train simulator and enhancing 3d sound effect, such as sense of distance, sense of orientation, doppler effect etc, to make the sound of training environment more verisimilar ; secondly, realization of the speech communication in network between teacher and student in the train simulator

    本文是以鐵部科技發展項目「提速列車優化操縱與機車模擬器研究開發」為依託,對機車模擬器的聲音系統進行研究:第一,對機車模擬器中聲音模擬系統的音進行改進,增加3d音,如聲音的距離感、方位感、多普勒等,使得訓練環境音響更加逼真;第二,實現機車模擬器中教員與學員的語音網路訊。
  6. The multichannel digital shutter velocity tester is mainly used in measuring the exposure time of a camera curtain shutter

    摘要多數字化快門速度測試儀主要用於幕?式相機快門有曝光時的測試。
  7. In order to achieve high data rates on the severely band - limited underwater acoustic ( uwa ) channels, bandwidth - efficient modulation techniques must be employed, together with some sophisticated signal processing algorithms, such as adaptive equalization technique for the intersymbol interference caused by channel multipath propagation

    在帶寬嚴重受限的水聲中實現高數據率信,必須使用高帶寬利用率調制技術,並結合自適均衡等技術以有地克服多途傳播產生的符號干擾。
  8. This thesis analyzed the error performance of mfsk and mpsk modulator in hf with optimal receiver, studied the shortcoming and strongpoint of several typical short - wave data transmission systems and their performance over fading and intersymbol interference channels. the theory and key technical of adaptive modem is discussed. in the last, an efficient modulation scheme - block coded modulation is introduced into hf radio systems to improve the efficiency of hf data transmission, this paper also proposes a hf data transmission system scheme composed of a block coded modulator and a decision feedback type adaptive equalizer

    本文在對短波數傳兩種常見調制方式fsk及psk最佳解調性能分析的基礎上,討論了幾種採用典型調制技術的短波數傳系統(如時頻調制、多進制頻移鍵控慢跳頻、 chess系統)原理、優缺點以及抗衰落和抗符號干擾的性能;分析了自適串列數傳系統抗短波衰落和多徑干擾的原理、關鍵技術;在本文的最後引入一種有望解決短波數傳系統低率狀況的調制方式bcm -分組編碼調制,給出了一個採用bcm技術與自適均衡技術相結合的短波數傳系統方案,並過計算機模擬進行了初部驗證。
  9. The income distribution effect of fdi through outward trade channel should n ' t be ignored too. it has different behaviors for the whole country and various areas. within the whole country, through attraction to the labor flow, the effects of fdi on skilled and non - skilled labors is different, and thus having different income distributional effects on labors in various levels

    外商直接投資過貿易渠的收入分配同樣不可忽視,這在全國與各地區的表現不同,在全國范圍內,外商直接投資過吸引勞動力要素流動,對技術和非技術勞動力就業產生了不同的作用,從而影響到不同層次勞動力之的收入分配狀況。
  10. Second, we introduce a two - lane traffic model which is based on the ( 0, 2 ) and ( 0, 1, 2 ) models. we mainly study the coupling effect of lanes. in two - lane traffic, vehicles can change lanes and overpass. the interactin between lanes is considered as coupling effect. the computer simulation indicate that ( dthe current of the system with cupling is greater than that without coupling ; 0for a certain initial density, the average flow and speed are indepent on the coupling coefficient which is greater than zero ; when the initial densities ( speeds ) of lanes are different, the characters of traffic system will be different

    在單車模型的基礎上,建立v _ ( max ) = 2雙車模型,研究車的耦合。雙車模型中車輛可以進行轉、超車,兩有耦合作用。模擬結果說明,有耦合時系統的流量比沒有耦合時大;在固定的初密度條件下,只要耦合系數b 0 ,兩的耦合強弱對流量和速度無影響;兩初密度分佈不均勻和速度分佈不均勻都能使交系統特性發生變化。
  11. The essentially universal biophysical phenomenon of " electroporation " occurs if an appropriate pulse field is applied. electroporation is believed to be the rapid creation of aqueous pathways through lipid - containing barriers in cells and tissue. the driving force is the physical interaction of electric fields with different dielectric constants

    電穿孔是指在適當高壓脈沖電場作用下,細胞或組織起相對隔離作用的「屏障」內快速形成液態的現象,是電場與具有不同介電常數而且易變形的物質相互作用的結果。
  12. The article consists of three parts mainly : the first part has described the method of detecting the faint signal, mainly include : detection technique of faint signal, principle of the optical fibre sensor, the little lose effects when optic fibre little curved, and the research of the stress sensor of optical fibre. the second part emphasizes on the design of the intelligent photoelectricity system, mainly tells the design of the circuit to process the faint photoelectricity signal, details the software and hardware design of intelligent photoelectricity system made of single chip microcontroller, led, man - machine interface, communication interface, etc. the third part is the network communication of the detection system, details the technology of single chip microcontroller how to group the network, and the communication between single the chip microcontroller system and the modem, and how to realize the data between the field and computer central exchanged through the existing public phone network

    文章主要分為三部分:第一部分論述了微小信號的檢測方法,主要包括微小信號的檢測技術、光纖傳感器的原理、光纖微彎損耗及光纖力傳感器的研製;第二部分重點講述了智能光電檢測系統的研製,主要講述了微弱光電信號調理電路的設計及由前(后)向、單片機、 led 、人機介面、信介面等組成的智能光電系統的軟硬體的具體設計;第三部分為檢測系統的網路信部分,具體闡述了單片機系統的組網技術、單片機和modem之信及過現有的公用電話網路實現遠程監控的技術,實現現場檢測系統與橋梁測控中心的數據交換。
  13. The discussion of cultural construction mode in baibuting community is developed as following : the first part presents author ' s motivation in carrying out the research, defining some concepts and introducing a few common modes of cultural construction in urban communities. the second part is a detailed description of fundamental ideas and content, advocating the notion of " human oriented, moral centered, law abiding, trying to creating a modern community with the capacity of sustainable development ", introducing its unique homestead culture. the third part sets forth the innovation of community culture construction modes in baibuting community : in order to create a, human - oriented community culture, establish a peaceful and content environment for the socialism ideology, the baibuting community made innovation on community management system ; by the analysis of the occupational statistics and object groups, the author found out that most of residents come from the middle class ; then, the author gives the definition of middle class and its general features in a sociological perspective ; finally, the thesis analyses the characteristics of the community residents " pursuit of culture and the harmonious development of community culture in aspects like value system, consumption habits, cultural needs

    本文過理論學習,對百步亭花園社區文化建設的模式進行了探索研究,在現狀調查過程中,筆者發現百步亭的社區文化建設之所以成功,除了開發商和物業管理中心的組織建設外,還有小區居民的積極參與合作,三者密不可分,而這又與居民所屬的階層文化訴求密切相關,於是,本文就百步亭社區文化建設模式作了論述,思路如下:文章的第一部分:提出本文研究的緣起,並對一些與本文有關的概念作了界定,還介紹了幾種城市社區文化建設的一般模式;文章的第二部分:介紹百步亭花園社區文化建設模式的基本思想和內容,提出了「以人為本、以德為魂、以法為行,努力創造可持續發展的現代文明社區」的口號,並介紹了其獨具特色的家園文化;文章的第三部分:對百步亭社區文化建設模式的創新作了論述:百步亭社區為了營造以人為本的社區文化,構建社區安居樂業工程,為社會主義思想德體系提供良好的社會文化環境,在社區管理體制上作了創新;還過對百步亭社區居民的職業統計,來源群體,分析出其從屬的社會階層主要是社會的中階層;再次,從社會學角度,定義了中階層及一般特徵;最後從價值觀、認同感,消費觀念、文化需求等方面,分析了其文化訴求的特徵和與社區文化的協調發展;文章的第四部分:從整合功能和導向功能兩方面總結了百步亭社區文化建設的社會;並對百步亭社區文化建設模式的不足提出了意見和建議。
  14. Then this new model is disscused in detail and is extended to some more common tv dispersive channels. in the following chapter 5, we do much effort to research the methods of blind equalization and identification of tv dispersive channels based on the proposed dt canonical model

    首先對接盲均衡方法,提出了對時不變矩陣的子空營辨識算涪和可以消除誤差傳播的兩級盲辨識演算法,然後給出了一種直接盲均衡方法。
  15. Under rayleigh fading channel, we also simulated and compared ber in siso 、 simo and mimo systems. secondly, based on careful study the ber and the channel capacity under white noise channel under mpsk modulation when the channel is rayleigh fading, we duduced the expressions of stbc ’ s ber and channel capacity under rice and nakagami fading. and also analysed the performances through numerical simulation using matlab to testify the exactitude of the dudeced expressions. finally, there exists an error floor of stbc through studying on its performance on time - selectiv fading channel. we analysed the reason and proposed two new decode combination scheme to eliminated the error floor and the performance of stbc on time - selective fading channel is improved. and also compared the two scheme ’ s complication and snr gain

    這些結果大部分是閉式結果,能比較準確地衡量空時塊碼的性能,並對不同衰落的性能做了相互比較,其結果對空時塊碼的實際用具有一定的指導意義。實際的是時變的,分析了空時塊碼在時選擇性衰落中產生誤差地板的主要原因是存在碼干擾( isi ) ,在此基礎上提出了兩種能消除誤差地板的譯碼合併方案,並對這兩種方案的復雜度和信噪比增益進行了比較。
  16. 2. to design an axial magnetic field. the cathode lies in 0. 4 - 0. 7 of peak value of the magnetic field and excursion channel in a uniform magnetic field to suppress space charge effects ; to design transition section between the gun and excursion channel in converse computation. 3

    選擇電子槍陰極處于軸向聚焦磁場峰值的0 . 4 - 0 . 7倍處;漂移(互作用區)位於均勻軸向聚焦磁場中,以抑制電子束的空電荷;使用反演算法設計電子槍和漂移的過渡區。
  17. The distribution of lrgr summer mean rainfall was determined by the obstructing effect and two stronger ascending airflow that come from bengal bay and south sea and converge around corresponding windward slopes ; the general circulation distribution in meridional section is equal, which showed the passing - effect of lrgr

    縱向嶺谷區多年平均夏季降水空分佈主要由縱向嶺谷的「阻隔」,以及夏季從孟加拉灣來的氣流和從南海來的氣流在相迎風坡面輻合,形成兩支較強的上升氣流所致;而縱向剖面大氣環流的變化則較為均勻,顯示了縱向嶺谷的「
  18. The effect of quantum interference among many ionization channels on photo - ionization properties of an atom in a laser - induced continuum structure system is analyzed

    分析了激光場誘導原子連續態結構系統中多個離化的量子干涉對原子離化的影響。
  19. However, to the essential of communication technology, those techniques are all change in transmission medium or channel. recently, because of the development of dsp, ifft / fft, 46 / 128 / 256qam using in high - speed modem, and gradual introduction of new coding technique, soft decision technique, channel self - adapting, guard interval, ofdm ( orthogonal frequency division multiplexing ) arouse more and more attention. as a technology of high - speed transmission, ofdm can resist isi effectively

    近年來,隨著dsp晶元技術的發展,傅立葉變換反變換、高速modem採用的64 128 256qam技術、柵格編碼技術、軟判決技術、自適技術、插入保護時段、減少均衡計算量等成熟技術的逐步引入,正交頻分復用ofdm ( orthogonalfrequencydivisionmultiplexing )作為一種可以有對抗信號波形干擾的高速傳輸技術,引起了廣泛關注。
  20. The expressions of average value and variance of the phase difference and sum components are presented. we verified that under an appropriate condition the interference between the different transition processes makes counter balance, which induces the atom - field coupling system to be decoupled. the atomic population coherent trapping will take place

    模的相位保持隨機分佈,給出了光場兩個模相位差以及相位和的平均值與方差表達式,揭示了在適當的條件下,由於不同躍遷的量于干涉,光場與原子退耦合,系統呈現原子布居數的相干俘獲現象。
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