組調制 的英文怎麼說
中文拼音 [zǔdiàozhì]
組調制
英文
group modulation-
The control system included the following units : video decode unit, data format conversion unit, fpga controller, cache unit and d / a monitor. the above self - design control unit plus row and column power supply units make the whole fed driving system, thus drove the 25 inch sample and realized color video display. the 25 inch vga sample thus fabricated could display video images, and obtained its brightness 400cd / m2, contrast ratio 1000 : 1, 256 circuit gray scale
本文介紹了fed驅動系統的工作原理,重點論述了基於fpga的vga級彩色fed新型驅動控制系統的研製,這種新型fed驅動控制系統主要包括視頻解碼電路、數據格式轉換電路、 fpga控制電路、數據緩存電路和d / a監控電路,配合后級列灰度調制單元和行掃描單元,組成完整的fed驅動系統,可以驅動25英寸vga級fed顯示屏,實現彩色視頻顯示,樣機亮度達400cd / m2 、對比度為1000 : 1 ,灰度等級為256級。It ' s the combination of modulator and demodulator
數據機是由調制器和解調器組成。Compared with non - passerine, they appeared longer syllable length, higher basic frequency and more viable frequency ranges. though the amplitude modulation properties enhanced their vocal production, the type of syllable is still stable and less of variety. so the phrase consisted of syllables are comparatively few and changes of the tone are relatively less
且表現出很強的頻率調制特性和特有的幅度調制特性,相對的音節時程比較長,基頻較高且頻率變化范圍較大,所特有的幅度調制特性更增加了其控聲的能力,但其音節的種類仍很單一,缺乏變化,由音節所組成的句型較少,音調變化幅度不大,因此,其叫聲質量盡管較非鳴禽有所改善,但相對鳴禽而言卻又遠遠不如。The second, at the high frequency primary coil, when switch turn on with control signal ( the spwm pulse is modulated ), in the positive or negative semi - period of low frequency modulation signal, transformer coil with same direction voltage. the magnetic flux of transformer core will increase step by step. at the end, it leads to magnetic flux saturation
二、在高頻變壓器原邊,當開關管接收控制信號脈沖列(經調制的spwm波列)導通時,在低頻調制信號的正半周或負半周內,施加在變壓器繞組上的是同一方向的電壓,變壓器磁芯中的磁通可能將級進地逐漸增加,導致磁芯飽和,造成磁偏或單向磁化,導致低頻電信號放大失真或由於很大的磁化電流而無法正常工作。The 4lh part is the innovation and conclusion of the dissertation. it puts forward freshly three aspects on the base, precondition and circumstance of risk prevention, especially researches for the risk foundations - " transition period " and hinese characteristic market economy ". it brings out five entries to risk prevention : retortion of the direction of macroscopically adjustment, market financing, system innovation, the decentralization and recombination of the state property right, reformation of organizational system in the state commercial bank and the establishment of inspiritment - obligation system
第四章是全文的創新和結論部分,通過對風險防範的基礎、前提條件和環境三方面的創新論述,特別是對「轉軌時期」和「中國特色的市場經濟」兩個風險基礎的研究,提出了風險防範的五個切入點:扭轉宏觀調控方向、市場觸資制度創新、國有產權的分散重組、改革國有商業銀行組織制度和激勵? ?約束機制的建立。The summary about this paper is as follows : by adjusting the composition of the glass, the author prepared two kinds of glassy laser material : tellurite glass ( shorten form : tbzre ) and phosphate glass ( shorten form : npre - 1 )
具體內容如下: 1 )通過調整配料組份,制備出了兩種新型的玻璃激光材料:亞碲酸鹽玻璃(簡稱tbzre )和磷酸鹽玻璃(簡稱npre - 1 ) 。In attempt to directly compare the sound response characters of the same bf neurons or different bf neurons and their interactive relation, the double recording microelectrodes were penetrated into two different neurons in iso - frequnency laminas or hetero - frequency laminas. taking advantage of frequency tonotopical arrangement in 1c of bats, it was explored how the neurons integrated different parallel processes of the same sound information. in the case of which, we hoped to explore the relation between the sound response characters of the central auditory neurons and neural modulation in background noise for the further understanding of the mechanism in the central auditory neurons extracting sound signals
本研究以大棕蝠( bigbrownbat , eptesicusfuscus )為模型,利用ic聲調組構排列成同頻層這一結構特點,突破單電極記錄和檢測神經元的方法,同時推進兩單電極至一個同頻層或兩個同頻層的兩個不同神經元,試圖從細胞水平直接比較兩個具有相同和不同最佳頻率的神經元聲信號的加工處理特徵、以及它們之間的相互關系,以期窺探它們在對同一聲信號處理過程中的整合奧秘,並以此為基礎分析和探討背景噪聲條件下中樞神經元聲反應特徵與神經調制的關系,以期進一步了解中樞聽神經元聲信號提取的機制。However according to the view of acoustics, click includes mixed frequencies, so further studies are necessary to investigate the physiological significance of amygdaloid modulating effect on the ascending auditory information at the cortical level. in this paper we firstly observe the characteristics of the acoustic response of neurons in a - i evoked by pure tone ; then investigate the influence of la stimulation on the acoustic response of these neurons and the physiological significance of such influence ; revea l the neural pathway mediating this effect with the neurohistological method ; and study the neurotransmitter and its receptor participating in this effect
本文採用電生理學方法考察大鼠皮層a區神經元純音反應特徵,觀察杏仁外側核( la )對a區神經元聲反應的影響,運用神經組織學方法揭示介導這一影響的神經環路,採用多管微電極記錄結合微電泳技術的方法研究參與這種影響的神經遞質及受體,進一步探討了這種調制性影響的生理學意義。Dorol epg series for circulatory and bath lubrication of heavily loaded gear units
多樂epg系列極壓工業齒輪油專為重荷工業齒輪組潤滑調制生產的。Firstly, by an in - depth study on chinese commercial banking and their foreign counterparts, this paper points out the great differences of intermediate business innovation between chinese and western commercial banks regarding innovation products variety, scale, technology, etc. secondly, comparing the institution regarding intermediate business innovation and microeconomic - body behavior of chinese commercial banking with foreign ones within an analysis framework from the perspective of institutional economics and game theories, this paper shows that a number of reasons account for the emerging of intermediate business innovation, including external economic environments as well as internal factors within the financial system and technology, among which the institutional factors within the financial system being the most important. at the same time, by comparison with western developed countries " counterparts, the innovation of chinese banking institution lags far behind the development of banking business in main aspects of property rights, managerial system, compensation arrangement and organization system. thus, the backward innovation of banking institutions and twisting microeconomic - body behavior seriously strict intermediate business innovation
本文首先通過對中外商業銀行進行較為深入的調查研究指出,與西方發達國家商業銀行相比,我國商業銀行中間業務創新無論是在業務創新品種、規模上還是在技術手段上,都存在著巨大差距;其次,運用制度學分析和博弈分析框架將中外商業銀行中間業務創新制度及微觀主體行為進行比較得出:商業銀行中間業務創新產生的原因有多種,如外部經濟環境因素、金融體系內部因素和技術因素等,其中最根本的是金融體系內部的制度性因素;與西方發達國家商業銀行制度相比,我國銀行制度創新遠遠落後于銀行業務的發展,主要表現在產權制度、經營制度、分配製度和組織制度等方面;銀行制度創新的滯后及其微觀主體行為的扭曲嚴重製約著中間業務創新,尤其是我國銀行產權關系不明晰,在國有獨資產權框架下政府? ?行長及上級行長? ?下級行長兩種委託代理行為帶來了嚴重的問題,導致了我國銀行中間業務創新動力不足。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,通過對誤差矢量和鄰近通道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(如相位不平衡、幅度不平衡、直流偏差等)對調制器性能的影響;其次,介紹了鎖相環的工作原理和基本組成部分,包括鎖相環的設計和環路濾波器的設計,特別詳述了電荷泵鎖相頻率源;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。The paper initiated electroabsorption modulator replacing the conventional model of sampling optical source and high - speed photonic switching. the novel approach greatly simplified the sampling system and improved the stability and reliability. it has been validated in experiment
首次提出採用電吸收調制器代替常規的「取樣光脈沖源高速光子開關」的取樣組合,大大簡化取樣系統的結構,提高取樣系統穩定性和可靠性,並進行了實驗驗證。Methods of estimating baud rate, signal to noise ratio ( snr ) and reference phase are investigated. a modified euclidean algorithm is proposed to estimate baud rate of the burst packets. a cumulant based algorithm of estimating snr of star - qam is proposed which has better estimation performance in medium scope of snr
研究了自適應調制中波特率,信噪比和載波相位等參數的估計演算法;提出一種基於修改的歐幾里得演算法的波特率估計演算法,這種演算法可以對突發分組的波特率做出準確估計;提出一種星型qam信號的信噪比估計演算法,在中等信噪比條件下,具有較好估計性能。Secondly, the paper researches blind estimation of signals parameters, including the carrier frequency, signal to noise ratio and symbol rate of digital modulations. thirdly, with the combination of parameters from early studies on the decision theory, a set of robust feature parameters are extracted from signal power spectrum and the power spectrum of the second and fourth power of signal. based on these parameters, the proposed scheme is able to recognize 12 types of common used modulations, namely ask 、 2fsk 、 msk 、 4fsk 、 psk 、 qpsk 、 / 4qpsk 、 8psk 、 am 、 dsb 、 ssb 、 fm
接著,對信號功率譜、平方譜及四次方譜進行研究,針對通信中常用的調制方式,結合前人提出的基於決策理論中的特徵參數,設計了一組對信噪比和信號調制參數不敏感的分類特徵參數,利用上述參數完成了一種基於信號頻域的識別方法,可以對ask 、 2fsk 、 msk 、 4fsk 、 psk 、 qpsk 、 / 4qpsk 、 8psk 、 am 、 dsb 、 ssb和fm這12種常用調制方式進行識別。One is the non - orthogonal gabor - daubechies frame, or g - d frame, a complete set of discrete window fourier functions which are constructed by space - shifting and harmonically modulating a gaussian window. although a g - d frame is not an orthogonal basis, it bears considerable advantages for the study of physical problems, especially those related to the wave field extrapolation, due to the optimal localization properties of the gaussian window function under the heisenberg uncertainty principle
其一為將高斯窗函數經平移和調制而構成的一組窗口富里葉框架( gabor - daubechies框架,或g - d框架)基本函數,另一種為在富里葉分析和小波包理論基礎上發展起來的局部餘弦基函數。After reformation in petro china, harbin petrochemical company catch at development, which is the key assignment, carry forward careful management ; increase internal credit, to gain better economic efficiency. at the same time it exposes the weakness in development including higher cost and less characteristics and organization, which should adjust, and talent team that be anxious and less special company civilization, etc. this case analyses general environment, specific environment, and internal condition in harbin petrochemical company
哈爾濱石化公司作為大型石化生產企業,在中國石油集團公司重組改制后,緊緊抓住發展這個第一要務,大力推進精細管理,提升企業內功,取得了較好的經濟效益,但同時也暴露出發展中的突出問題:企業成本高、缺少突出特色、組織結構亟待調整、人才隊伍現狀令人擔憂、缺乏特有的企業文化等。A c a2 + / calmo dul in - dep endent pro te in kinas e i i ( c amkii ) antagoni st kn - 6 2 ( 5x l0 - ' mol / l ) presented in the intemal solution had no significan effect on the current peaks induced by extracellular nmda ( l0 # mol / l ), but prevented the inhibitory effect of b on inmda " these results indicate that gcs have rapid, reversible idebitory effects on lnmda intracellular application of b thiough microelectrode had no effect on inmda, howevet, extracellular application of b or b - bsa suppressed peaks of inmda : all these denote b exerts its influence on nmda receptor by cytoplasm membrane mechansms, which is naxnely rapid, nongenomic mechhasms
加有快速、可逆的。非濃度依賴性抑制作用。通過微電極將b直接導入細胞內, inmda不受影響,而胞外給予b或besa , inmda減小,提示b對nmda受體的調控通過膜機制產生,這種作用與經典的基因組機制不同;因為廣譜激酶抑制劑和特異的pka抑制劑均可翻轉b的抑制效應, camk11抑制劑也可阻斷b的效應,而這些激酶抑制劑本身對inmda即有強烈的抑制作用: pka激動劑本身對inmda無明顯作用,也不影響b對l 。The control parameters influenced the loads of the stall wind turbine small. but it will be bigger to the variable pitch wind turbine and the variable speed wind turbine
對于bladedforwindows軟體,定槳距失速調節型風力發電機組控制參數的輸入量比較少,對機組載荷的影響也比較小。The fourth chapter was under the title of " fact - affirmation power ", the fifth " law - application power ", and the sixth " proceeding - direction power ". in the first chapter " positive study of the trial power ", beginning with the basic meaning of the civil trial power, the writer gave a brief clearance of the historical development sequence of the trial power ; and upon this, he gave his own opinions about the system guarantee and reform of the moving of the civil trial power. he viewed that as for the guarantee, whe
認為,就我國現行民事審判權運行的制度保障而言,無論是其中的組織制度,還是人事制度,抑或是活動制度都不同程度地存有問題,因此,對組織制度和人事制度應進行相應的變革,而對活動制度則應進一步地落實與完善;同時並認為,對包括民事審判制度在內的司法體制的改革應有統一的領導機構來進行部署和協調,以確保改革的成功。Through two - fluid and two - time - scale approximation, the dominating equations, which show the non - linear coupling between high frequency modulational field and the density disturbance of electrons and ions, are obtained
這組方程描述了高頻調制場和電子、離子密度低頻擾動之間的非線性耦合。分享友人