現實增益 的英文怎麼說
中文拼音 [xiànshízēngyì]
現實增益
英文
realized-gain- 現 : Ⅰ名詞1 (現在; 此刻) present; now; current; existing 2 (現款) cash; ready money Ⅱ副詞(臨時; ...
- 實 : Ⅰ形容詞1 (內部完全填滿 沒有空隙) solid 2 (真實; 實在) true; real; honest Ⅱ名詞1 (實際; 事實...
- 益 : Ⅰ名詞1 (好處) benefit; profit; advantage 2 (姓氏) a surname Ⅱ形容詞(有益的) beneficialⅢ動詞...
- 現實 : 1. (客觀存在的事物) reality; actuality 2. (合乎客觀情況的) real; actual
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In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab
針對無連接和面向連接的各種復雜網路環境下,通信頻帶資源緊張,音頻傳輸帶寬有限且復雜多變,而各種音頻數據又日益增多的局面,本文研究小波分析在信號處理方面的數學依據和在數據壓縮方面的實際意義,在前人不斷工作的基礎上,提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法,兼考慮了編碼效率、多碼率和壓縮時延多個方面,並在matlab環境下做了模擬實驗,對各種音頻信號及多種小波函數做了模擬結果比較,實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮效果,達到多碼率下實現實時編解碼的過程,在高速dsp晶元等硬體設備支持下,可以有效應用於實際復雜多變信源編碼。Optimization of radar automatic gain control through cpld
實現雷達自動增益控制的優化Mr lafley reduced mr jager ' s over - ambitious targets of 7 to 9 per cent growth in annual sales to a more realistic 4 to 6 per cent, and its 13 to 15 per cent earnings per share growth target to at least 10 per cent
雅格先生曾把公司年銷售增長率的目標值定為7 %至9 % ,雷富禮先生把這個過高的目標值降到更現實的4 %至6 % ,並把每股收益增長率目標值從13 %至15 %降到不低於10 % 。Ion detection technique has been successfully used in the study of rydberg states of na2 by pulse optical - optical double resonance. high - lying rydberg states near ionization limit have been observed and high sensitive and high gain spectra have been obtained. this technique is very useful for molecular spectroscopy
本文首次實現了鈉分子體系中離子探測脈沖激光光譜,研究了鈉分子電離限附近的高里德堡態,獲得了高靈敏度和高增益的光譜,拓寬了分子光譜研究領域。The characters of this antenna lie in three points : using yagi - uda antenna to obtain antenna gain through the radial direction ; making full use of the space of the base station along the z - axis direction to get array gain ; arranging the antenna array properly to achieve pattern diversity in azimuth plane
其特點集中體現在三個方面:在天線徑向通過八木天線的形式獲得增益;充分利用基站空間在z向組成陣列獲取陣列增益;利用開關八木天線方向圖可重構的特性,通過合理的布局,在方位面內實現角度分集。So i am confident that there will be a soft landing, with growth in the economy, fixed investments, money and credit guided to more realistic and sustainable levels. this augurs well for hong kong in terms of the sustainability of the economic recovery
因此我深信內地經濟將會軟著陸,並可將經濟固定資產投資貨幣及信貸增長引領至更切合現實及可持續的水平,以至對本港經濟的持續復甦都帶來裨益。It has also been proved correct in practice by testing with cooperator. the paper analyzed the character of our radio and introduced the procedure of designed base band frame architecture. it showed the application of channel coding in our radio, and encode / decode method implemented in dsp
本文針對本電臺的特點介紹了基帶幀結構的設計,重點介紹了幾種常用通道編碼在本電臺的應用,以及編解碼方法在dsp中的實現,並從理論上分析了通道編碼給本電臺帶來的處理增益。Biology and chemislry etal ln thi s dissertation, the theory of femto - second pulse laser amplifier system using tifsapphire crystal was discussed systematically and many methods were brought fonvard to resoive the probably existed problems in each part of the system base d on the achieved results, experimentai works has further developed
本文系統給出了以鈦寶石晶體做為增益介質和放大介質的飛秒激光脈沖放大系統理論,針對各部分可能出現的問題提出了相應的解決方法,並在此基礎上開展了部分實驗工作。With the developing of new switches such as photoconductive switch and sos ( solid opening switch ), both high power and high gain can be got by the uwb antenna array
隨著各種新型開關如大功率的光導開關的研究成功,超寬帶天線陣列將成為實現高功率、高增益的有效途徑。It is introduced in the eighties powder to in the homeland, that theory is built above the basis competing no completely, increasing return to scale, is approached more compared with the tradition trade theory reality
它於80年代末被引進至國內,該理論建立在不完全競爭、規模收益遞增基礎之上,與傳統的貿易理論相比更接近現實。Smart antenna has been widely researched in communication and signal processing, the adaptive beamforming algorithm is the key technique of smart antenna. it could adaptively steer the array directional pattern to form the main narrow beams with high gain in the direction of the users " signals while deeply nulling the interference signals. it is an effective way to realize the optimal receiving of the interesting signals
智能天線技術是目前通信和信號處理等領域的研究熱點,自適應波束形成演算法的研究是智能天線的一個關鍵技術,它能夠自適應地控制天線陣方向圖在用戶信號方向產生高增益窄波束,在干擾信號方向產生較深的零陷,是實現用戶信號最佳接收的有效方法。On the base of studying imaging theory of lens, the imaging theory of laser confocal scanning microscopy was analyzed in detail in this paper, and the advancement of that the optical fiber was applied to the system was described ; on the base of completed the demonstration for whole project, the experiment scheme was designed ; the relationship between the main parameters of key devices and the resolution was deduced, and the requirements of coupling efficiency and vignetting effects to optical system was analyzed ; the design of optical system and the planar scanning controlling circuit was completed ; a new method was put forward to resolved the inherent non - liner scanning problem of the galvanometer scanner by using software liner controlling in circuit design, and the perfect planar scanning was realized ; at last the low noise, high multiple and non - distortion amplify circuit of photoelectric detector was completed
本文在透鏡成像理論的基礎上,系統、深入地分析了共焦掃描顯微成像的機理,論述了應用單模光纖的激光共焦掃描顯微成像系統的優點;進行了總體方案的論證,並設計確定了單模光纖激光共焦掃描顯微成像系統的總體方案;從理論上推導分析了解析度要求與試驗系統中相關器件主要參數之間的關系,分析了系統耦合效率和漸暈現象對光學系統的設計要求;完成了方案中光學系統和二維掃描控制電路的設計,並在電路設計中採用了用軟體解決檢流計式光學掃描器(振鏡)非線性問題的新方法,能夠實現較為理想的二維模擬掃描;完成了高增益、低噪聲和低失真的探測接收系統的設計和調試。We study the time evolution law of the atomic response in an open - type inversionless lasing system when the probe or driving field is off - resonance, and compare the law with that obtained when the probe and driving fields are resonant. we find that the detuning has considerable effects on the time evolution law : when the probe or driving fields is off - resonance, the dispersive responses for the probe and driving fields are no longer 0 and the two - photon coherence is no longer a pure real ; the variation of the probe detuning can make the time evolution law of the population distributions and the gain ( absorbtion ) of the driving field changing obviously ; with detuning increasing, the time evolution behavior of the gain ( absorbtion ), dispersion of the probe field and the two - photon coherence will gradually diviate from the evolution law of the standard damped oscillator ; with the driving detuning increasing, the oscillating time of the dispersion of the driving field becomes longer, the amplitude and the stationary value increase
研究了探測場或驅動場失諧情況下開放的型無粒子數反轉激光系統中原子響應的時間演化規律,並與探測場和驅動場都共振時的演化規律進行了比較.我們發現失諧對時間演化規律有顯著的影響;當驅動場或探測場失諧時,原子對探測場和驅動場色散的響應不再為零,雙光子相干不再是純實量;探測場失諧的變化將使粒子布居和驅動場增益(吸收)的時間演化規律明顯改變;隨著失諧的增大,探測場增益(吸收) 、色散和雙光子相干隨時間的演化行為逐漸偏離標準阻尼振子的演化規律;驅動場色散驅動場失諧量的增加而振蕩時間變長,振幅和穩定值變大In current circumstances of our poor and conflicting legislation and ignorance in legal practice, and in the background of running country according to law and moving forward the procedure of legality, how to deal with the evidence problem of data message correctly - not only for the problem of reality, but also for preventing our country away from unfavorable position in the digital wave - is the focus of this article
畢竟,數據電文就在我們身邊。在我國目前有關立法相當匱乏且互相沖突和司法實踐茫然無措的現實情況下,在實行依法治國、積極推進法制化進程的背景下,如何正確對待數據電文證據- - - -不僅為了解決日益增長的現實問題,更是為了努力避免我國在數字化浪潮中居於不利地位- - - -是本文關注的核心。The rf receiver consists of rf front end and baseband regulation module. the high - intermediate - frequency superheterodyne structure is adopted in the final scheme. the fine sensitivity of the receiver is achieved by two cascaded lna in the front of the system
系統採用超外差式變頻結構設計,兩級低噪聲放大單元級聯保證了接收機靈敏度,兩級增益控制單元實現了所要求的接收機動態范圍,並且整機的線性度也得到了保證。The high - intermediate - frequency superheterodyne structure with twice conversions is used. three cascaded agc units applies in the receiver system, one of them is used as the choice, for realizing a high dynamic range while the linearity of the system is well guaranteed
系統採用了兩次變頻超外差式結構設計,第一中頻為高中頻。另外系統還包含了三級自動增益控制單元,其中一級agc作為選項,實現了較大的動態范圍,並且整機的線性度也得到了保證。The second part studies optimal pure proportional navigation ( ppn ), with time - dependent gain of navigation to maneuvering target based on proportional navigation theory. optimal gain of navigation is constant for ppn without maneuvering ; based on this, solution of time - dependent gain of navigation is given by iteration approach, and the time required for capture is given, the times of iteration is decided by comparing this time with the iteration step
對目標機動的追逃問題,考慮導航增益可為任意實數,且隨時間和初始條件改變,這一思想是建立在目標非機動的純比例導引制導規律,最佳導航增益為常數的基礎之上,利用迭代的方法,給出了時變的導航增益的求解方法,並給出了實現捕獲所需的時間,用此時間與迭代步長進行比較,判定迭代次數。To achieve diffraction - limited beam quality laser, single mode fiber is used as waveguide in both fiber amplifier and fiber laser in the past
為了實現高光束質量激光輸出,傳統的光纖放大器和光纖激光器均採用芯徑較小的單模光纖作為增益介質波導。In succession, the theory of chirped - pulse amplifier system is given in detail, firstly, studying from designing experimental light road and optical components to theoretical analysis, we par ' tly finished the system by ourselves. about ultr a - shoft pulse with a pulse - width of 9. 8f s and output power of 650mw and band - width of about l 20nm is output from oscillator source, secondiy, the stretching capacity of single grating four - pass stretcher is measured using abcd matrix combining collins function, and the effect of relativ e parameters to the streching ratio is also simulated. thirdly, a new type of disjunctional frequency moduiating function is provided according to the gain - narrowing and gain - saturation which are appeared in the co urse of amplification, under modulating the two effects are both controlled on some e xtent, fourthiy, the effect of ase that is often ignored by people is analyzed and the resolving methods are also given
從光路、光學元件的自行設計到理論分析計算,初步建立了一臺實驗系統;採用abcd矩陣法結合collins公式計算了四通式單光柵展寬器的展寬量,並模擬了相關參數對展寬比的影響,對實驗具有指導意義;評價了再生放大器和多通放大器的優缺點,對放大過程中通常忽略的放大自發輻射現象( ase )進行了分析,並提出了相應的解決方法;針對放大過程中出現的增益窄化和增益飽和現象,對輸入種子脈沖提出了一種新的分段頻率調制函數,實現了對增益窄化效應和增益飽和效應的共同抑制;提出了系統的材料(包括放大介質和光路中的普通介質)正是融合高階色散的來源。According to the fundamental national condition of our country, from the long - term interests that safeguards numerous people and prime increase and interest and actual profit set out before masses of give attention to two or morethings, for happiness of promotional family civilization, the harmony that realizes environment of population and economy, society, resources develops
根據我國的基本國情,從維護廣大人民群眾的長遠利益與根本利益併兼顧群眾的眼前利益與現實利益出發,為增進家庭文明幸福,實現人口與經濟、社會、資源環境的協調發展。分享友人