頻率設定 的英文怎麼說

中文拼音 [bīnshèdìng]
頻率設定 英文
frequency setting
  • : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
  • : 率名詞(比值) rate; ratio; proportion
  • : Ⅰ動詞1 (設立; 布置) set up; establish; found 2 (籌劃) work out : 設計陷害 plot a frame up; fr...
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • 頻率 : frequency; rate
  • 設定 : bd/ dvd settings bd/dvd
  1. Based on these theories, this paper discusses the method of design of the rectangular gunn integrated active microstrip patch antenna in detail. the size of the active antenna and the location of the device in the antenna is obtained at the specified operation frequency

    根據這些理論,詳細討論了一種集成gunn二極體的矩形有源微帶貼片天線的計,得到了在給的工作下的有源天線尺寸和有源器件的位置。
  2. Based on the real situation of submarine and antisubmarine warfare ( asw ), according to the classical design theory of transducer or transducer array, a sonar will be researched and made, which has the feature of more wider bandwidth, more lower operating frequency, more lager radiation acoustic power, more farther operating distance, more higher researching efficiency and more higher directive accuracy

    本文根據現代潛戰和反潛戰( asw )的實際情況,按照經典的換能器和基陣的計理論,研製聲吶,旨在擴展其帶寬度、降低其工作、增大其發射功、擴大其作用距離以及提高其搜索效向準確度。
  3. The main contents include : water environment, marine sediment and the trend monitoring of marine life quality ; at the same time, to consolidate the monitoring of the functional zones, such as seashore bathing places, oceanic reserves, marine aquafarms ; to set up the seashell monitoring and controlling zones in the sea areas of both pingtan and yunxiao at the first time ; to carry out the statistical monitoring of polder, exploiting sea sand, spartin aallerni flora, terrestrial sewages, etc., to carry out monitoring of the total quantity of pollutants into the offshore marine areas in the min river, the jiulong river as well as the municipal sewages of xinlin industry in xiamen and jiaocheng in ningde ; to carry out the red tide monitoring in the offshore marine areas of fujian province ; to implement time - lapse, pointing and continuous red tide monitoring of high frequency and high intensity in the sandu gulf, the min river estuary and offshore marine areas of xiamen

    主要內容包括水環境、海洋沉積物和海洋生物質量的全海域環境趨勢性監測,同時加強了海水浴場、海洋保護區、海水增養殖區等功能區監測;首次在平潭和雲霄海域置了貝類監控區;開展了圍填海、海砂開采、互花米草、陸源排污口統計監測;並在閩江、九龍江、廈門杏林工業排污口、寧德蕉城市政排污口鄰近海域開展污染物入海總量監測;在全省近岸海域開展赤潮監視監測,對三都灣、閩江口、廈門近岸海域赤潮監控區實施高、高密度的點連續監測。
  4. It can create micro magnetic field. it combine computer proceeding frequency vibration massage and low frequency bioelectricity impulse treatment. easy to use. instruction manual included

    4 .生物電脈沖模式和電腦振動狀態的按摩時間分別時控制鍵3分鐘5分鐘15分鐘。
  5. Fourthly, according with the analyzing of flow measurement, we research the main problems needed to be solve in the process of measurement, such as analysis and measurement of the internal resistance, selection of excitation frequency, stable signal datum mark and restraining common mode interference, restraining for serial mode interference and working frequency interference ; transporting and shielding the flow signal, constant current excitation and magnetic field equalizing, flow measuring

    第四,根據對流量測量問題分析的,深入研究了計過程中需要解決的主要問題。如內阻分析與測量;勵磁的選擇;穩信號基準點與抑制共模干擾;串模干擾與工干擾抑制;流量信號傳輸與屏蔽;恆流勵磁與磁場補償;流量測量點的選擇等。
  6. Whatever it is radar, eccm equipment, communication equipment or instrument, frequency source with high stability is needed to guarantee the quality of carrier signal

    無論是雷達、電子對抗,還是通信、儀器備等都需要高穩度的源,以保證載波信號的質量。
  7. By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent

    最後,本文還對絮凝動力學和絮體結構進行了研究,在前人研究的基礎上,針對高分子絮凝黃河泥沙,對絮凝過程作了一些符合試驗條件的假,建立了顆粒碰撞表達式,應用了顆粒數量平衡方程,從而建立了絮凝過程的動力學生長模型,模型計算結果與試驗數據對比表明,二者趨勢一致,在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程;對絮體結構的研究中,應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察,將絮體分為絮粒、絮團和絮網三個不同的生長階段,通過假顆粒結合位置符西安建築科技大學博士學位論文合正四面體,建立了絮體結構模型,計算得到的模型絮體分形維數基本與試驗中的實際絮體相符,在一程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。
  8. The products is of high water hydrophobe device usedin suitable and has the characteristics of aging resistance, resistance, tracking resistance, and corrosive resistance. it can withstand high bent load, strong impact force fn12 - 12 series indoor use high voltage load switch fn12 - 12 and fn12 - 12r is of three phases indoor use ac high voltage load switch for breaking and making the circuit of 50hz, 12kv system under rated loading

    Fn12 - 12和fn12 - 12r組合電器是額電壓12kv額50hz的三相高壓開關備用於分合負荷電流閉環電流空載變壓器和電纜充電電流關合短路電流配裝接地開關的負荷開關,可以承受短路電流
  9. In current practice, array parameters are usually calculated according to the strength and types of interference wave, frequency characteristics, and azimuth, whereas the effect of array center is often ignored, and simply view the graphic center as array center

    指出現在施工計中,組合參數的確主要圍繞干擾波、特性和方位角等方面進行論證,忽視了其組合中心的確
  10. The 1mhz fixed frequency switching allows for tiny external components and the regulation scheme is optimized to ensure low emi and low input ripple. an external resistor sets the full - scale led current, while two digital inputs control on / off and select amongst three levels of brightness. the circuit operates in 1x mode until just above dropout

    工作在1mhz固,採用線性調制模式使輸入紋波大大減小;利用一個外部電阻可以置滿量程led電流;外接兩個數字信號控制晶元開關並選擇led三級亮度中的一級;具有過溫、過壓/欠壓等保護功能,工作溫度范圍為- 40 + 85 。
  11. As an important target of frequency synthesizer design, phase noise determines system ’ s sensitivity and selectivity whose design is being the emphasis as well as nodus at all times

    它作為合成器的重要指標,決了系統的靈敏度和選擇性能,一直是計者的難點和重點。
  12. Electric - controller is nubbin in developping. we are based on designing to structure of circuit, we are dead against in time and stabilization for controlling and communications, precision and rapidity for transformation etc. we have completed to select on microprocessor, clock - frequency and a / d transfer. it carry out transformation for valve position signal, and select on solid - switch ac

    在控制器的電路結構計的基礎上,考慮到通訊、控制的及時、穩、轉換的精度和速度等幾方面,主要完成對微處理器的選擇、時鐘和a d轉換器的選用,閥位變送功能的實現,固態交流開關和顯示器的選擇等。
  13. Eddy - current sensor conversion circuit consist amplification circuit, band - pass filter circuit, demodulation circuit, differentiation phase and data sampling circuit. these circuits are used to convert the test signal of eddy - current sensor to discrete signal tend to process. the microprocessor system that formed of dsp chip is used to data fitting of test system, data displaying and data communicating with personal computer, etc. the interference questions of hardware design and the measure of eliminating interference signal in the subject are introduced in the last of this chapter

    硬體電路的計主要分三大部分來實現:激勵源電路部分,由分電路和合成電路組成,產生的激勵信號以確保檢測任務的正常進行;傳感器變換電路部分,由放大電路、濾波電路、檢波電路、鑒相電路和數據採集電路組成,主要將電渦流傳感器檢測線圈檢測到的信號變換成只含有被測信息的離散信號,易於后續電路處理;由dsp晶元構成的微處理系統,主要完成檢測系統的數據擬合、顯示及與主機通信等功能。
  14. Pid control method is established and the corresponding parameters are got with the methods of roots design and frequency design. finally, numeric simulation and semi - objects simulation are finished

    根據自動控制原理,本文確了pid控制的策略,建立了pid控制器,並由根軌跡計方法和計方法確了相應的控制器系數。
  15. Added per channel auto - update frequency setting thanks cuba

    增加道級的自動更新頻率設定thanks cuba
  16. The system is based on chopper constant current drive technique, according to the top level design idea, adopting advanced specical subdivision control integrate circuit and powerful function 80c196kc to organize the system frame, desiging the minimum system of single - chip microcomputer, multifunction i / o interface circuit, relay switch circuit, keyboard and display circuit, multifunction digital setting interface circuit and so on, utilizing the hso and hsi interface circuit which are owned by this single - chip microcomputer exclusively and its powerful command system to realize dual - degree switch control, automation orientation, automatically searching zero position, locking machine when stopping, frequency to set digitally, automatically adjusting speed through changing frequency, swithing subdivision or squarewave control, on the basis of above, the system also have the function of running according to the setting steps and the frequency, voltage and current to display through the led, etc

    系統基於斬波恆流驅動技術,按照頂層計思想,採用先進的專用細分控制電路和功能強大的80c196kc單片機來組建系統構架,計了單片機最小系統、多功能i o介面電路、繼電器切換電路、鍵盤顯示電路和多功能數字介面電路等,利用該單片機獨有的hso和hsi介面及其強大的指令系統,實現了雙余度混合式步進電動機的余度切換控制、自動位、零位自動搜索、停機鎖、數字化頻率設定、自動調變速控制、細分方波切換控制,在此基礎上,該系統還有按預置步運行、 led電壓相電流顯示等功能。
  17. Frequency source is widely used in today ' s electronic equipment and even refered as " a heart " of many electronic systems. the frequency synthesizer with a lot of channels and high frequency stability by means of theory of phase locking has almost been a necessary component in the modern electronic systems such as telecommunication, radar and electronic countermeasure. the phase - locked frequency synthesizer can be generally divided into two kinds : one is digital phase locked frequency synthesizer, the other is analog sampling phase locked frequency synthesizer. compared with the prior, the latter has many merits such as lower phase noise, samller volume, lighter weight and lower power consumption and has a wide foreground in the equipments of microwave band

    利用鎖相原理來獲得波道數目眾多、度很高的合成器,幾乎已成為現代通信、雷達和電子對抗等電子系統不可缺少的組成部分。鎖相式合成器一般分為數字鎖相合成器和模擬取樣鎖相合成器兩類。取樣鎖相合成器與數字鎖相合成器相比,具有相位噪聲低、體積小、重量輕和功耗低等優點,尤其在微波波段的電子備中,具有廣闊的應用前景。
  18. Jinque co. has developed neo - generation reliable frame - structure ups, which is high frequency and on - line intelligent and whose height is 19 inchs. the product adopts cpu process, so it has excellent ability to calculating and accurately test every control point to guarantee reliability of quality. at the same time, due to the design of double - change power, the voltage and frequency are stable ; the product deletes all kinds of interrupted frequency and becomes power of sine wave to provide vital equipment with better power environment

    金雀公司根據網路系統的電源要求,開發出新一代高可靠的19英寸機架式高在線智能型gr系列ups ,採用cpu處理器,極強的運算能力,精確迅速地檢測ups各控制點,由於採用雙變換電源計,供負載使用的電源電壓,濾除雜讀的純凈正弦波電源,為重要的備提供更佳的電源環境。
  19. This paper designed an additional controller by fuzzy control method. the additional controller makes ac system more steady by the hvdc emergency support

    本文採用模糊控制技術計了附加控制器,通過控制直流系統的功注入以保持交流系統的
  20. In our nation, we have worked on the researching of continue radar signal ' s phase noise mesurement equipment in the past. but the equipment for pulse radar signal is still in blank. the object of this dissertation is to study on the denotation of the radar pulse signal ' s phase noise and its measuring method

    本文的目的是對射雷達脈沖信號的度的表徵和測試備的研製進行研究,討論了雷達脈沖信號的測試方法,主要對譜估計法測量射雷達脈沖信號相位噪聲的系統方案進行理論的分析,並對實現過程中技術上的難點重點問題的解決進行論證。
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