gain matching 中文意思是什麼
gain matching
解釋
增益匹配-
The theoretical part mainly refers to studies of optical parametric chirped pulse amplification. we analyze some basic theories of opcpa, such as phase matching, parametric bandwidth, walk - off in space and time, gain property and so on, and compare the basic properties of bbo, lbo and kdp
理論部分主要是對新興的光參量啁啾脈沖放大技術的相位匹配、參量范圍、時空走離、增益及帶寬特性等基礎理論進行了分析，並對常用的bbo 、 lbo和kdp基礎特性進行了比較分析，這對于光參量啁啾脈沖放大系統的設計具有一定的實際意義。 -
The numerical simulation equations of the border curves in term of and as well as the matching rules and the frequency dependence of microwave electromagnetic parameters of a broad - band homogeneous absorbing coating with a finite value of reflection loss are available. these results pointed out the direction to develop rams ". according to the radar - absorbing model, the optimized design of rams with thin - layer, light - weight, broadband and strong - absorbing is available by the simple genetic algorithms, which can effectively conduct the research work of rams to the detail. small but completely, the electromagnetic parameter ' s databases of rams that based on actual microwave absorbers have been set up, the object function has been constructed which conform to the involved goals, the adaptive coding measure is taken which extends the coding length dynamically adapting to the condition of the number of actual absorbers or the precision of thickness and absorber - volume - percentage, the decoding technique is initiated which satisfies light - weight and strong - absorbing as well as thin - layer and broadband by adopting of tracing variable restricting conditions dynamically to control total thickness. when decoding, the variable restricting conditions of thickness are dynamically traced, so gain the radar absorbing coatings of light - weight multiple - layer single - ingredient. similary, of thickness and absorber - volume - percentage, of light - weight multiple - layer multiple - ingredient. also, the rams ' demand to radar - absorb performance as frequency is met making use of the penalty function
作為遺傳演算法的具體實施：根據本實驗室近來研製的吸波材料，建立了吸波材料的相關數據庫；構造了能真實體現「薄、輕、寬、強」優化目標的目標函數；根據材料的實際數量以及塗層厚度精度要求、吸收劑體積分數精度要求，建立了能動態擴展相應碼長的自適應編碼方法；首創了通過動態跟蹤變量的約束條件來控制塗層總厚度的解碼技術，以此實現了在不弱化寬頻、高強的吸波性能目標的同時，兼顧到薄層、輕質的使用性能要求；在解碼時通過動態跟蹤厚度變量的約束條件，實現了多層單組分吸波塗層對重量輕的要求；通過動態跟蹤厚度變量的約束條件和吸收劑體積分數的約束條件，實現了多層多組分吸波塗層對重量輕的要求；使用權重系數變化法，實現了吸波塗層的分頻段吸波性能要求。 -
In this thesis, wide - fov ( field - of - view ) optical systems with optical gain based on fov and optical gain of laser detection and warning optical system are studied. it can solve the problem of wide fov matching with small photosensitive surface, enhance the power received, increase detecting sensitivity, reduce the power of laser and decrease the cost of laser accordingly
本文正是針對上述問題，從激光輻射探測光學系統的視場和光學增益出發，研究寬視場有增益光學系統，解決大視場和小光敏面匹配的矛盾，增強接收到的光功率，提高探測靈敏度，降低對激光輻射源功率的要求，從而降低相應激光器的成本。 -
The digital map is usually formed by the water depth ' s database measured on the seabottom. because of the disadvantage that the database is kept secret, this dissertation introduces a new method : first, the depth data are picked up from the electronic chart, then interpolation of the depth datum by kriging algorithm is adopted to gain the digital map. the method is the precondition of the terrain matching when it is researched by simulation, and it is the complement of the database
通常數字地圖都是通過海底測量的海底水深數據庫來形成，針對水深數據庫存在保密性等特點，本文提出了一種從電子海圖提取水深數據，然後採用kriging方法進行插值形成數字地圖的方法，該方法是進行地形匹配模擬研究的前提，而且它也是海底水深數據庫的一個補充。 -
We presents a detailed studied of the linewidth of parametric light in clbo - opo caused by the linewidth of pumping beam, off axis phase matching, divergence angle of pumping, time above threshold, high gain coefficient of nlo crystal, fluctuate of cavitylength, spontaneous radiation, according to the momentum and energy conversion laws, and the sellmeier equations of the clbo, we calculated curves of the type - i and type - ii compared with the bbo ' s
根據能量動量守恆關系和clbo的色散方程，詳細分析了由於泵浦光的線寬、泵浦光偏軸泵浦、泵浦光的發散角、泵浦光功率超過參量光振蕩閾值一定倍數、高增益系數、有效腔長波動以及自發輻射引起的參量光線寬，並得到了與bbo晶體在類、類相位匹配下比較的理論曲線。 -
( 3 ). the flattening arithmetic of an edfa was presented based on the inter - correlative function between the gain spectrum function of the edfa and that of the reserve transmission spectrum of the lpfg. for optimal matching between the two spectra, the flattening arithmetic calculates the variation of the resonant amplitude and wavelength of the lpfg
Iii .提出了一種動態增益均衡的平坦演算法，這種演算法的本質就是利用摻鉺光纖放大器增益譜函數和新型長周期光纖光柵的透射譜反轉譜函數的相關性，給出新型長周期光纖光柵諧振峰幅度和位置的調節量，使改變后的新型長周期光纖光柵的反轉譜線能和edfa的增益輸出譜線進行最佳匹配。 -
A scheme of designing audio auto gain control system based on tda7315 is introduced, the diagram of chip matching as well as the software flowing chart are also given
摘要詳細闡述了一種以晶元tda7315設計的音頻增益控制系統設計方案，同時提供晶元連接關系示意圖及軟體演算法流程圖。 -
The trends of dpssl are pointed out, the wide application fields, as well as the bright market future of high power dpssl are also summarized. in the chapter 2, all kinds of solid - state laser gain materials are introduced in detail. in the chapter 3, the theory on the mode - matching of the pump beam and the cavity mode is analyzed in detail based on the basic theory and work principle of ld - pumped all - solid - state laser
本論文第一章從二極體泵浦固體激光器的優勢出發，介紹了二極體泵浦固體激光器的發展，指出了dpssl的發展方向，概括介紹了大功率dpssl的諸多應用領域和廣闊的市場前景；第二章對固體激光增益材料作了詳細的介紹；第三章基於ld泵浦固體激光器的基本理論和工作原理，從理論上詳細分析了ld端面泵浦激光器中泵浦光與腔模的匹配問題。 -
By researching, the major innovations of this paper are : ( 1 ) analysises the assets and liabilities table and the loss and gain table of life insurance companies in china from 1998 to 2001 in detail, comprehensively reflects the structure of assets and liabilites in the life insurance companies even in the whole life insurance industry of our country during the recent years ; ( 2 ) on the aspect of assets management, our country should reduce the proportion of monetory assets, improve the proportion of investment assets and establish the scientific investment management system, and suitably lower the proporty of the fixed assets on the premise of guaranteeing the operation ; ( 3 ) on the aspect of management of matching assets and liabilities, the life insurance company of our country should reduce the sales of the policies of prearranged high insuranc rate, develop the new type of life insurance products and match each policy with prearranged high interest rate with high interest rate investment correspondingly ; ( 4 ) as refering to the index system of assets and liabilities management of the commercial banks in our country, it has explored that of the life insura
第三部分從壽險公司的資產管理、負債管理、資產負債匹配管理及資產負債匹配管理評價指標四個方面進行了分析和研究。本文的主要創新之處是： （ 1 ）將自1998年至2001年國內所有壽險公司的資產負債表和損益表進行了詳細的分析，比較全面地反映了我國近年來各壽險公司及整個壽險業資產負債的結構狀況； （ 2 ）在資產管理方面，我國應適當降低貨幣類資產的比例、提高投資類資產的比例並建立科學的投資管理體系、保證經營的前提下適當降低固定資產的比例、盡量減少佔用類資產的比例等； （ 3 ）在資產負債匹配管理方面，我國壽險公司應盡量減少高預定利率保單的銷售、發展新型壽險產品，每銷售一批較高預定利率的保單就應選擇相應高利率的投資與之對應匹配； （ 4 ）借鑒我國商業銀行資產負債管理的指標體系，探討了壽險公司資產負債匹配管理的指標體系。 -
The linear theory of the coaxial disk - loaded cylindrical waveguide twt is built and the dispersion equation with an annular electron beam of this twt is obtained according to self - consistent field theory and the field matching method. the computation results of the hot dispersion equation indicate the relations between the electron beam parameters and the small signal gain
利用自洽場理論以及場的匹配方法，推導出此結構在小信號條件下的熱色散方程，討論了電子注參量和慢波系統幾何參量與小信號增益和色散的關系。 -
Age for 2 + ) there are four matching games for kids to learn about animals, enabling them to gain more knowledge about the wild nature
適合2歲或以上）此拼圖游戲讓小朋友認識動物的面貌和種類，每張動物圖片均是在大自然取景，增加小朋友對大自然的認識。 -
This subject aim at designing a linear power amplifer whose output power is 40w for 225 - 450mhz band. but it seems not easy to finish the task because of this power amplifier own unique requirements including high output power, broad working frequency band, high linearity, and flat gain. due to the complexity involved, theoretically several soltuions are derived in the final scheme such as broadband matching technology, power - retreat, power synthesize, automatic power control and negative feedback. in addition, the design will be optimized by eda software and the final test result indicates that our design is successful
本課題的目標是研製一個輸出功率為40w的225 450mhz的線性功率放大器。由於該功放要求輸出功率大，工作頻帶寬，帶內增益波動小，線性度高，所以其終合設計難度大。鑒于這個原因，在理論設計上筆者採用了寬帶匹配、功率合成、功率回退、負反饋、自動功率控制等技術；在實踐中精心設計電路，並且配合eda軟體模擬，最終達到所要求的指標。 -
Firstly, forming the whole feather of vehicles by means of region tracking algorithm, then delivering the information to corners so as to build group relationship among corners, and then accomplishing the creation of new objects, secondly, achieving the old object tracking with multiple - dimensioned corner matching, then feeding back all sorts of information of moving corners to region tracking algorithm to promote the separation of " barrier " among objects in order to gain the tracking of the whole motive objects. 3
首先，由區域跟蹤演算法形成車輛整體特徵，並將該信息傳遞給各個角點，促使角點間建立類屬關系，完成新目標的創建；然後，通過多尺度的角點匹配，完成已有目標的跟蹤，再將運動角點的各種信息反傳給區域跟蹤演算法，促進多目標間的「遮擋」分離，完成整體目標的跟蹤，實現穩定、可靠的目標跟蹤。 -
Among the face tracking algorithm, we first use difference image to gain the raw - location, then in the limited position, we use two template matching to tracking face
在人臉跟蹤的演算法中，採用了在差分圖像粗定位的基礎上，在一個確定的小范圍內利用雙模板匹配進行跟蹤。 -
Through the design the dc feed network, input matching network for the ne900175 gaas fet and analysis the stabilization, power gain, bandwidth of the power amplifier we get the power amplifier is stability, the power gain is 11. 967db and the bandwidth is 300mhz. microstrip antenna has a narrow bandwidth, in this design antenna ' s bandwidth is 100mhz. antenna is the not only the load of the power amplifier, but also as the filter connecting to the output of the power amplifier
E類功放的pae相對a類、 b類、 ab類的功率放大器類型而言比較高，在50 ? 70 。分析了e類功放的工作過程后，以ne900175的gaas場效應管作為e類功放電路的開關，進行了外圍電路的設計，包括直流偏置電路、輸入匹配網路的設計，功放的穩定性、帶寬、增益的分析。該功放增益最大達到11 . 4db ，帶寬為320mhz 。 -
5. in order to keep gain smooth, enhance output power and efficiency, and reduce reflect factor and attenuation, inner matching networks are needed
5 、採用內匹配網路技術，設置輸入輸出匹配網路，以保持增益和傳輸特性的平坦性，提高輸出功率和效率，降低反射系數，減少損耗。
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