相對功率增益 的英文怎麼說

中文拼音 [xiāngduìgōnglǜzēngyì]
相對功率增益 英文
relative power gain
  • 相 : 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...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 功 : 名詞1 （功勞） exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 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...
  • 相對 : 1. （面對面） opposite; face to face 2. （非絕對的） relative 3. （比較的） relatively; comparatively
  1. This kind of jamming not only could avoid the process of coherent radar for blanket jamming to improve the utility of jamming power, but also own better jamming effect than pore deception jamming

    這種干擾不僅消除了相參雷達對壓制干擾的處理增益，以提高幹擾功率利用率，同時又比純欺騙干擾具有更好的干擾效果。
  2. 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。
  3. As a high - power twt, we consider the relativistic effect of the solid beam. the numerical results are given in terms of the small signal gain curve and slow - wave ration curve

    作為大功率的行波管，我們考慮了電子注的相對論效應，數值求解「熱」色散方程，得到脊加載盤荷波導幾何參數和電子注參量與小信號增益的關系。
  4. The paper first reviews the research background and actuality of the filter " s design in china and other country, introduces the meaning of the project and the work of the paper, narrates the theory of the switched - capacitor network and the basic switch building blocks, analyses the related factors of the design of sc filter. such as the selection of the architecture, the trade off of the opamp " s gain, bandwidth, phase margin, slew rate and setting time, the effect of the switch " s on resistor, how to reduce the charge injection and the clock feed - through, the power consumption and the selection of the sampling frequency and so on

    本文首先回顧了濾波器設計的國內外研究背景和現狀，介紹了本課題提出的意義以及本文的主要工作，論述了開關電容網路原理和基本開關模塊，分析了開關電容濾波器設計的相關因素：電路結構的選擇，對運算放大器設計中高增益、寬帶寬、相位裕度、轉換斜率和建立時間等的折中考慮，開關的打開電阻對電路的影響，開關電容電路中怎樣減少電荷注入和時鐘饋通，以及整個電路的功耗問題和采樣頻率的選擇等。
  5. 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，通過定向鄰節點路由表、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，相比全向天線可明顯提高網路的總的吞吐量，減少通道干擾、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、較少跳數的通信，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，通過功率控制還可較容易的實現節能的目的。
  6. The system can generate sweep frequency signal with frequency range from 100khz to 150mhz and power range from - 40dbm to + 18dbm, and measure the gain and phase of the crystal. according to the gain and phase information and the iec - 444 standard, crystal parameters can be calculated, such as nominal frequency, series resistance, shunt capacitance, motion capacitance, motion inductance, q factor and so on

    該系統能產生頻率范圍達100khz 150mhz ，功率范圍為? 40dbm + 18dbm的掃頻信號，並能對晶振的增益和相位差進行測量，其測量結果按照iec - 444晶振測量標準進行實時處理和計算，從而得到晶振的串聯諧振頻率、並聯諧振頻率、等效電阻、靜態電容、動態電容、動態電感和品質因數等主要電參數。
  7. The analyses given in this paper to quasi - three - level for 946 nm laser are complete. the relation between 946 nm laser transmission and optimal crystal length has been derived from the rate equations describing the population inversion and the photon density in the laser cavity in the steady - state case. the minimal claims to coating have been given on the base of contrasting 946 nm transmission with 1064 nm transmission in the condition of different cavity losses and how the pump beam radius in the laser crystal and optimal crystal length affect the laser threshold and output power of 946 nm laser has been given as well

    對產生946nm譜線的準三能級結構給出了較為完整的分析，利用激光諧振腔處于穩態時的速率方程，導出了準三能級nd ： yag946nm起振時，透射損耗與最佳激光晶體長度的關系，在與1064nm透射損耗相比較的基礎上，給出了不同的腔損耗情況下的最低鍍膜要求，並且給出了激光閾值、輸出功率和最佳激光晶體長度及泵光光斑大小的關系，這為設計室溫下高效運轉的946nm激光器的提供了理論基礎，這種分析方法對研究此類低增益，準三能級或三能級激光系統輸出特性有借鑒意義。
  8. The results show that wavelength locates in gain zone of semiconductor optical amplifier, and have higher peak power and proper time delay between the two pulses for the second order super gauss control pulse in semiconductor optical amplifier. a high quality amplified signal pulse can be achieved. the chirp can be reduced notability by using cascading soa in cross gain modulation based on soa, and the distance and the peak power of conversion optical pulse can be increased notability, and we can let down the demand for wavelength based on xgm in soa and enhance the flexibility of wavelength conversion

    我們應用二階超高斯光脈沖與高斯信號脈沖同時注入soa和應用soa與非線性光學環鏡（ nolm ）相結合的方案來對信號脈沖進行壓縮整形，模擬顯示，在調節系統合適參數的情況下，波長位於soa增益區的二階超高斯控制光脈沖在具有較高的峰值功率和適當時延下輸入soa時，最後可以得到放大的高質量超簡訊號光脈沖；在基於soa的交叉增益調制（ xgm ）全光波長轉換中，採用級聯的soa能有效地使反轉光脈沖的頻率啁啾得到有效降低，波長向下轉換的距離和反轉光的峰值能量都得到明顯提高，降低了利用交叉增益調制（ xgm ）波長轉換中對波長精度的要求，從而提高了波長轉換的靈和性。
  9. The signal generator of sweep frequency is based on dds device ad9954, the signal measuring circuit is based on gain and phase detector ad8302, the real - time control and deal circuit is based on tms320vc5409, and the periphery interface circuit is based on at89s52. the system can generate sweep frequency signal with the frequency range from 100khz to 150mhz, and with the power range from - 45dbm to + 18dbm. it can measure the gain and phase of the network, display the measure data by liquid crystal displayed and print it by the printer

    該測試儀以dds晶元ad9954為核心構成掃頻信號源電路，以增益相位檢測器ad8302為核心構成檢測電路，以dsp晶元tms320vc5409為核心構成控制與運算電路，以及以at89s52為核心構成外圍介面電路。該測試儀能產生頻率范圍達100k ~ 100mhz ，功率范圍為- 45dbm ~ + 18dbm的掃頻信號，能對被測網路的頻率特性進行測量，並留有豐富的外圍介面，可以將測量數據繪圖通過lcd顯示或者由印表機列印輸出。
  10. The receiver works on active mode and passive mode in different time. in active mode, the receiver is narrow - band and high sensitive, and if phase - lock technology is used to stabilize receiving frequency. and in passive mode, the receiver is an all - power millimeter wave radiometer with periodic calibration to improve measure precision

    此接收機採用分時工作體制，在主動工作方式時為窄帶的高靈敏度毫米波接收機，接收機中採用中頻鎖相技術，簡化了毫米波鎖相帶來的困難；在被動工作方式時為全功率型的毫米波輻射計，這種輻射計在每次測量后都採用兩個標準源對輻射計定標，實現周期定標，消除因系統增益波動和有效本機噪聲波動帶來的測量誤差，提高測量測量精度。
  11. The chinese market is moving towards the internationalization, while facing the competitor swarming forward and the opportunity of going out, chinese enterprises should set up one ' s own strategic alliances as soon as possible, strengthen the national and international competitiveness of our enterprises. of course, one series of scientific, practical method should be carried on as the theory instruct. based on both home and international studies about strategic alliances, the dissertation starts with the basic conception of the relationship management of the strategic alliance, then give an all - round explaining to the relationship management of the strategic alliance and analyze the risk factors of strategic alliance that exist in the relationship management, and then structure the grey correlation and neural network model to appraise the performance of the relationship management, and combine with realistic reasons that lead to the failure of the strategic alliances, finally use the models mentioned above to analysis a real example to distinguish the influence primary and secondary factors to relationship management of the strategic alliances and offer references to boost the rate of successful strategic alliances and improve the strategic alliances " benefit

    中國市場正在走向國際化，而對蜂擁而至的競爭者以及走出中國的新機會，中國企業應該盡快地建立起自己的企業聯盟，增強民族企業在國內外的競爭力，這需要一套科學、實用的方法進行理論指導本文在分析國內外關于戰略聯盟等理論方面的研究成果基礎上，從戰略聯盟關系管理基本概念入手，對戰略聯盟關系管理內容進行全面闡述，剖析戰略聯盟關系管理中存在的風險因素，構建戰略聯盟關系管理績效的灰色關聯評價模型和神經網路模型，並與戰略聯盟失敗的現實原因相結合，運用上述模型進行實證分析，區分了影響戰略聯盟關系管理因素的主次，為提高戰略聯盟的成功率、提高戰略聯盟效益提供了參考。
  12. 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 。
  13. By utilizing the knowledge of digital circuit and simulation circuit, the system designs the pretreatment dealing circuit of the myoelectrical signal, which has the feature of big input impedance well suppress of public module and high gains. then the signal is gathered with " zhentong " data gathering after dealing with, and the software of signal processing is explored before the myoelectric signal is analyzed. after picking up eigenvalue, it is proved that the result is unanimous basically with the data of the relevant materials ; the other is to control artificial hand by the eigenvalue of the myoelectric signa l and at last the system gets very good control results

    即利用數字電路和模擬電路等相關知識，設計了具有輸入阻抗大、共模抑制好、增益高等特點的肌電信號前置處理電路，利用「振通」數據採集儀對處理后的信號進行採集，並利用快速傅立葉變換的相關知識編寫了信號處理程序，對肌電信號進行了波形分析、幅值譜分析和功率譜分析，提取了信號特徵值，與相關資料的數據相比，基本一致；二是利用肌電信號的特徵值對肌電假手進行控制。
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