移帶器 的英文怎麼說

中文拼音 [dài]
移帶器 英文
belt shifter
  • : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  1. In pumping fluid with gas, pressure boost can be improved by enhancing the pump rotation speed, thereby improving the performance of the pump to a certain degree ; when the gas content is constant, by increasing the inlet pressure, the pressure boost can be enhanced and the pump efficiency be improved remarkably ; when the gas content is rather high, there will be a problem of matching between the gas pressure and the fluid pressure ; the performance of the multiphase pump can also be improved by means of rational design of buffer vessel and homogenizer

    試驗分析認為,氣液混輸工況下,提高泵轉速可以提高增壓,在一定程度上能改善多相泵的工作性能;含氣率一定時,增加進口壓力,可使多相泵增壓值增大,泵效明顯增加,最大含氣率點后,但含氣率很高時,存在氣液壓力相匹配問題;改進緩沖罐和均化的設計,有利於氣液互相夾,避免氣囊產生,可改善多相泵的輸送性能。
  2. Jhs series power ampilifier is a new generation equipment of teaching power amplifier, which can restrains howl and can increase plus by 6 - 10db. the distance of picking up sound can be increased to 3 - 6 meters. if only you install three or four pcs of interface mike, the scope of picking up sound can cover with all over the platform without any equipment and you can prelect

    Jhs教學型數字頻擴聲是新一代教學擴聲設備,它能夠有效的抑制擴聲嘯叫,提高傳聲增益6 - 10db ,話筒的拾音距離提高到3 - 6米,只需在教室安裝3 - 4支界面話筒,拾音范圍就能覆蓋整個講臺,無需攜任何設備,即可進行講課,使演講者徹底擺脫話筒的束縛,擴大了演講者的活動范圍
  3. Analog phase shifter ; 3db directional coupler ; network analyzer

    模擬3db耦合網路分析儀
  4. This scheme integrates universual data accesss technology of microsoft, which plays a more and more important role in three - lay c / s ( client / server ) and uses the technology of ado ( active data access ), adopts the asp script language in display the results and uses stored procedure of sql server in databases design. in the system of b / s, client realizes a high efficient access to the server database through displaying diversified active controls in browser and using ado to access the data source. the disposing of data accures under the database not in the font of this system. this kind of scheme cannot only bring the system a higher real time response, but also decrease data runoff of the networks, lower the possibility that web server becomes bottleneck of the system and make the system more transplantable

    當前的web數據庫訪問技術正處于發展階段,針對這種情況,本文通過分析當前各種流行的web數據庫訪問方案的優缺點,結合在三層次的c / s系統中扮演越來越重要的角色的中間件技術,採用了microsoft公司所提出的一致數據訪問技術,利用ado控制項,結合當前的asp語言,底層數據庫採用了sqlserver7 . 0的存儲過程技術,設計了一種自己的web數據庫訪問方案,即在browser / server系統當中,客戶端通過顯示在瀏覽中的各種activex控制項,通過了ado連接數據庫,數據的處理利用了存儲在數據庫內部執行,實現對後端數據庫的高效訪問,並且這種方案在給系統來較高的實時響應性能的同時,減少了網路數據流量,降低了web服務成為系統瓶頸的可能性,也增強了系統的可植性。
  5. A model of the interface state density distribution near by valence band is presented, and the dependence of the threshold voltage on temperature, the c - v characteristics and the subthreshold characteristics are predicted exactly with this model ; the effects of s / d series resistance on the output characteristics, transfer characteristics and effective mobility of sic pmosfets are analyzed. thirdly, the output characteristics and the drain breakdown characteristics are modeled with the procedure medici. the output characteristics in the room temperature and 300 ? are simulated, and the effects of gate voltage. contact resistance, interface state and other factors on sic pmos drain breakdown characteristics are analyzed

    提出了一個價附近的界面態分佈模型,用該模型較好地描述了sicpmos件閾值電壓隨溫度的變化關系、 c - v特性曲線以及亞閾特性曲線;分析了源漏寄生電阻對sicpmos件輸出特性、轉特性以及有效遷率的影響;論文中用模擬軟體medici模擬了sicpmos件的輸出特性和漏擊穿特性,分別模擬了室溫下和300時sicpmos件的輸出特性,分析了柵電壓、接觸電阻、界面態以及其他因素對sicpmos擊穿特性的影響。
  6. Accurate repeat means high quality & value - added ourpulse generator with 10, 000ppr will get exact repeat to befeedbacked to its servo motor. this will contol your repeatperfectly

    採用超精密度分離性能的10 , 000ppr脈沖加速,所以送導動量付在伺服馬達上維持及控制精密的往復
  7. A 2dof vehicle structure model with mr damper is established, a sliding model controller is designed, and the real - time control damping force of suspension system is educed

    摘要建立了履車輛1 / 2車體振動模型,設計了相應的滑面和滑模態控制,得出了履車輛半主動懸掛系統的實時控制阻尼力,並對路面激勵下滑模控制與最優控制的減振效果進行了模擬。
  8. Characterized by wide band gap, high breakage electric field, high thermal conductivity, high saturated electron mobility, cubic silicon carbide ( 3c - sic ), considered as one of the most promising wide band gap semiconductors, is widely utilized in high temperature, high frequency and large power semiconductor devices

    3c - sic被譽為最有潛力的寬禁半導體材料,具有隙寬、臨界擊穿電場高、熱導率高、飽和電子漂速度大等優點,是高溫、高頻、高功率半導體件的首選材料。
  9. Compare to the normal rectangular waveguide, ridge waveguide has the character of broader bandwidth, smaller dimension, lower equivalent characteristic impedance, etc. because of these merits, it is used more and more widely, such as broadband ridge waveguide filter, broadband direct coupler, diplexer, frequency converter, phase shifter, ridge waveguide slot antenna array, and so on

    與普通矩形波導相比,脊波導具有工作頻寬、尺寸小、等效特性阻抗低等特點。由於脊波導本身的特點,使其得到了越來越多的應用,例如寬脊波導濾波、寬定向耦合、雙工、變頻、脊波導縫隙天線陣等等。
  10. In order to meet the requirement of phase - error and physical dimension, high - pass / low - pass filter phase shifter and solid - structure are applied in the design of if broad - band five - bit digital phase shifter

    考慮對相位誤差和物理尺寸的要求,中頻寬五位數字採用高通/低通濾波形式和立體結構進行設計。
  11. However, the instantaneous bandwidth of signals is restricted for general phased array because of its transition time and aperture effect

    但是,基於的普通相控陣天線在進行寬寬角掃描時,由於渡越時間和孔徑效應的影響,使信號的瞬時寬受限。
  12. In order to improve the quality of the voltage signals, this paper has adopted the scheme of three phases and six organs in signal - generator part, which can eliminate the errors caused by the assembly warp and the zero shift of organs. this paper also has analyzed the distribution and varying rules of the magnetic field in the signal - generator part, then based on the conclusion of the analysis improved the structure of signal - generator, which could completely eliminate the noise signal caused by the roughness of the face on the magnetic steel ring. the improvement not only met the requirement of this study, but established the theory foundation for the super - high precision magnetic encoder in future research

    因此,為提高原始電壓信號的質量,本文採用三相六元件的信號發生方案,通過差分處理濾除了由於裝配偏差和零點漂來的信號誤差;本文對編碼信號發生結構進行了磁場分析,依據磁場分析的結論對編碼常用的信號發生結構進行了改進,改進后的結構利用積分原理在理論上能夠完全消除信號中由磁鋼環表面粗糙度引起的信號噪聲,進一步提高了信號質量,此結構不僅滿足了本課題的需要,而且為今後研製超高精度的磁電式編碼奠定了理論基礎。
  13. Finally, it takes a detailed test to the processed millimeter 4 - bit digital phase shifter. the test result is better than expectant guideline : the maximum of the phase error is 10, the insertion loss is better than 10. 74db, the return loss is more than - 14. 88db in the 33. 9ghz 34. 5ghz frequency band. the whole volume of the phase shifter is 80mm 35mm 20mm

    最後,對加工出的毫米波四位數字進行了測試,測試結果完全達到了預定指標要求:在所要求的33 . 9ghz 34 . 5ghz頻內,最大相誤差小於10 ,插入損耗小於10 . 74db ,輸入輸出回波損耗大於- 14 . 88db ,整個電路尺寸為80mm 35mm 20mm 。
  14. As ttd ( true time delay ) is utilized in optically controlled phased array at sub - array level to replace the phase shifter in general phased array radar system, and make time delay compensation at sub - array level, which can reduce aperture effect considerably and make the broadband and wide - angle scanning of phased array antennas come true

    由於光控相控陣雷達在子陣級上引入實時延時線ttd ( truetimedelay )取代常規相控陣雷達中的進行子陣級的延時補償,大大減輕了孔徑效應,使相控陣雷達實現了寬寬角掃描。
  15. The research of this paper is much practical. this dissertation discusses the work principles of several digital phase shifters respectively, and describes their characteristics. based on this, the milimeter 4 - bit digital phase shifter is designed by using different circuit format with 71 main line microstrip, incorporating the guideline and the level of process

    在此基礎上,結合所給的指標要求和實際的加工工藝水平,採用71的微線作為的主線,四位相位採用了不同的電路形式,針對大相位相位精度誤差大的缺陷對傳統的反射型電路進行了改善,設計出了毫米波四位數字
  16. The loaded - line - type, switched - line - type and reflection - type phase shifters are studied in this thesis. considering the defect of loaded - line phase shifter, a new type of switched - line with loaded - line phase shifter is proposed in this thesis. this design not only make advantageous debugging of circuit, but also minimize phase - error in a given frequency band

    本文對加載線型、開關線型和反射型進行了分析研究,並針對開關線型的缺陷,提出了一種加載式的開關線型設計方法,不但便於對電路進行調試,也減小了一定寬內的相位誤差。
  17. It is presented that the theory and the manufacturing technology of such analog phase shifter, which are made from conventional 3db quadrature hybrids coupler with two identical varactor - diode networks to provide a shifted phase that varies continuously with biased dc voltage. several analog phase shifters have been made for different operating frequencies. each phase shifter has phase range more than 180, return loss better than - 20db, insertion loss 4. 8db including 3db attenuator, transmission difference less than0. 075 db. computer code phases. bas can present the referenced component values

    介紹了利用鐵氧體磁環製作窄3db耦合的原理和方法,詳細分析了利用此耦合設計製作模擬壓控的理論和製作技巧,以及所製作的多種頻率的壓控的測試技術指標和實際運行情況。
  18. According to process rules of the gaas mmic product line, we properly designed the circuit layout. in order to reduce the overall chip size, the transmission lines are folded with sufficient spacing to avoid interline coupling. the lange couplers are also folded to keep the 90 and 180 bits " sizes similar to other phase shift bits " sizes

    結合實際mmic工藝線,合理設計電路版圖,折疊微線並留出足夠大的線間距,以避免線間寄生耦合的發生,並折疊蘭格耦合使90和180相位的尺寸與其它相位的晶元尺寸保持一致。
  19. For the 32 phase states, within the frequency band of 60mhz 10mhz, the insertion loss of the phase shifter is lower than 2. 3db, the imbalance of scope is lower than 0. 3db, the phase error is better than 3. 3 degree, the input / output vswr is lower than 1. 7. physical dimension is 40mmx30mmx20mm

    實測結果表明:中頻寬五位數字在60mhz 10mhz頻率范圍內, 32個相位狀態的插入損耗都低於2 . 3db ,幅度不平衡小於0 . 3db ,相位誤差小於3 . 3度,輸入和輸出電壓駐波比都小於1 . 7 。
  20. By analyzing the phase shifter performance, it can be found that reflective type phase shifter could be used in wide bandwidth application and the performance has met the design specification

    分析電路性能發現反射型相電路可以實現寬相應用,電路性能達到設計指標要求。
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