源噪聲 的英文怎麼說

中文拼音 [yuánzàoshēng]
源噪聲 英文
source noise
  • 源 : 名詞1. （水流起頭的地方） source （of a river）; fountainhead 2. （來源） source; cause 3. （姓氏） a surname
  • 噪 : 動詞1. （蟲或鳥叫） chirp 2. （大聲叫嚷） make noise; make an uproar; clamour
  1. The transmitting noise can reduce capability of power supply or attaint switch power supply

    由於傳導型噪聲會降低直流開關電源的性能，嚴重時會造成直流開關電源的損壞。
  2. The noise of the fan is mainly consist of circumrotatory noise and backset noise based on the theoretical analysis

    首先基於風機噪聲理論的分析確定了影響風機噪聲源的主要因素是旋轉噪聲和渦流噪聲。
  3. Compared with traditional mechanical and optic gyros, hrg has such advantages as no high speed circumvolving or moving parts in structure, no warm - up time and short start - up time, wide signal band in frequency, low excursion noises, great endurance in over loading, nuclear radiation and short time power off, small bulk, light weight, low power cost and long life, which is suitable for space applications

    與傳統的機械陀螺和光學陀螺相比，半球諧振陀螺具有如下優勢:結構上無高速轉子、無活動部件;不需預熱，啟動時間短;信號頻帶寬，漂移噪聲低;能承受大的機動過載;抗核輻射，並可經受短時間電源中斷的影響;體積小，重量輕，功耗低，壽命長，非常適合空間應用。
  4. Fluid noise mainly comes from out put pulsation of rate of flow, the main reason of out put pulsation of rate of flow is the instant high pressure return flow that obturation cubage produced when the big round curve pressure transition. the v trough on the port plate can reduce the fluid noise. in this paper, the author based on the acting of dam a river and condensability of liquid and used matlab language as tool to calculate the v trough on the original port plate and drew out the p - t diagrammatic curve and analyzed its shortcoming and improved the design of original v trough and got that the best size of its angle was 12. 3 and its length was 5mm and the cross section was an equilateral triangle

    流體噪聲主要來源於輸出流量脈動，造成輸出流量脈動的主要原因是閉死容積在大圓弧段壓力切換時產生的瞬時高壓迴流，在配流盤上開設v型尖槽可降低因高壓迴流而引起的流體噪聲，本文以截流作用和液體的可壓縮性為理論依據，以matlab語言為工具，對原配流盤上的v型尖槽進行了理論計算，繪制出p - t圖線，分析了它的不足，並對原有v型尖槽進行了優化設計，得出了v型尖槽的最佳幾何尺寸：配流盤平面上的v型尖槽的兩邊的夾角為12 . 3 ，槽長5mm ，槽的橫截面為等邊三角形。
  5. Using an lc circuit as a power supply filter can actually multiply the power supply noise at the filter " s resonant frequency. use inductor with low q to overcome this

    使用lc電路作為電源濾波器能精確地在濾波器的諧振頻率點處乘以電源噪聲，使用低q電感來應對。
  6. Hearing protectors - safety requirements and testing - active noise reduction ear - muffs

    護聽器.安全要求和試驗.有源噪聲降低型耳套
  7. Simulation and analysis of complex active noise modulation jamming

    有源噪聲調制干擾的模擬及性能分析
  8. Active noise control method based on a new quantum genetic algorithm

    基於改進量子遺傳演算法的有源噪聲控制方法
  9. Dyke noise helmet on the basis of active noise control of the self - adaptation

    基於自適應有源噪聲控制的噪聲防護頭盔
  10. The conclusion obtained would give an help for application of the aanc technique to engineering

    論文的研究結果，將為推動有源噪聲控制技術的工程應用提供直接幫助。
  11. A controller is key factor for determining acoustic performances and price for an adaptive active noise control system applied to practical engineering

    摘要在自適應有源噪聲控制的實際應用中，控制器是決定整個系統性能和價格的關鍵因素。
  12. However, their noises have some bad impacts on the environment around, which has become a serious problem of noise pollution

    但單臺或多臺熱泵機組的工作噪聲易對周圍環境產生一定影響，已成為近期城市中一類帶有普遍性的固定源噪聲污染問題。
  13. Because engine noise takes on complicated frequency characteristics, if original noise signal is not collected, the noise control effect will not be evident

    由於發動機噪聲的頻率成分比較復雜，如果採用主動降噪技術不能適時採集到源噪聲信號，就達不到理想的降噪效果。
  14. In this paper a multi - passage controlling tactic composed of infinity impulse filter is presented to solve the problem in theory, but actual effect must be verified by experiment in future

    文章嘗試採用由無限脈沖濾波器組成的多通道控制策略，從理論上解決源噪聲信號採集問題，其實質效果還有待於後續實驗驗證。
  15. In the hardware implementation of a multi - channel active noise control system, the computational complexity is increased sharply when the number of filter coefficients and channels are increased

    摘要在多通道有源噪聲控制系統的硬體實現中，當通道數目增大或濾波器長度較長時，常規的多通道演算法運算量急劇增加，使控制器可能無法實時實現。
  16. Rc oscillator ’ s frequency is 1khz. the voltage reference of ic is 2. 2v, which can keep stabilization when the power supply is bigger than 2. 3v. in that case circuits can insulate yawp from power supply

    在穩壓源電路設計中，採用了運算放大器負反饋的形式，使參考電壓源為2 . 2v ，並在電源大於2 . 3v時保持穩定，隔離了電源噪聲。
  17. To solve the problems of that real aanc systems ca n ' t get the good reference signals in some situation and the acoustic feedback problems. in this m. s. thesis, adaptive feedback is explored theatrically and experimentally

    為解決實際有源噪聲控制系統常常無法獲得參考信號，以及次級聲反饋的問題，有源反饋控制系統研究是非常急需和重要的。
  18. Firstly, the current testing localization in the detection of electric bow is analyzed and the new system ' s whole construction developed in this thesis is introduced ; in the 2rd chapter, the embedded 110v dc power supply is analyzed and constructed, and with experiments, some dissonant results such as the fluctuation of output pwm ( pulse width modulation ) pulses, the power noise added to output voltage, and the drop of output voltage have been analyzed and the problems have been broken down one by one ; in chapter 3, stepping motor ' s drive has been systematically dissertated, and combing stepping motor ' s subdivided drive technology, the author develops an intelligent mini - step driving circuit using a main - sub microprocessor structure, which is validated in the hybrid stepper based system ; in the 4th chapter, liquid crystal driving and displaying technology is specified in detail, with one sort of lcd modules ( tlm12864h ), the author develops an feasible circuit for the new testing system, designs a menu mode based program struc ture and brings here some programming codes using franklin c51 programming language ; in chapter 5, the above built system is used in the electric bow ' s practical detection, and the differentiating rate of this system is analyzed

    論文首先分析了目前機車受電弓檢修方式存在的局限並概述了本論文研製的受電弓測試系統的體系架構；第二章對系統內置110v直流控制電源進行了分析和設計，結合試驗對輸出pwm振蕩、輸出電源噪聲大、輸出電壓下跌等現象進行了分析並提出解決措施；第三章論述了步進電機的驅動，結合步進電機微步驅動技術研製了基於上下位單片機組的混合式步進電機智能驅動電路，並在試驗中得以驗證；第四章詳述了液晶驅動及顯示技術，利用一款液晶顯示模塊tlm12864h研製出本系統用液晶顯示電路，設計了菜單式的程序結構並以franklinc51編程方式給出部分子程序代碼；第五章則將以上構建的整個系統應用在機車受電弓的實測中，並對測試解析度進行了分析。
  19. A kind way of current sharing composed of the droop method and the master - slaver method based on thermal stress and the random of the master is given, in this system an extra controller is attached ; all the software and hardware on can fieldbus communication part have accomplished, which guaranteed the communication of the charger high reliability and high real - time. the source and types of the noise from switching power are analyzed and some methods are introduced to restrain noise and strengthen the system performance of interference rejection

    提出了一種外加控制器基於熱應力均流的主從可轉換均流方法；對系統中can總線通信部分的軟硬體進行了設計，保證了系統通信的實時性和可靠性；對開關電源噪聲來源與種類進行了分析，介紹了一些抑制噪聲和增強系統抗干擾性能的措施。
  20. Preprocess of image before qbic ( including removal of noise and sharpening of image and so on ). mainly introducing the feature of the noise, the origin of the noise, model of the noise, median filtering and equilibrium of the gray

    圖像查詢前的預處理工作（圖像的噪聲，圖像去噪，銳化等） 。主要介紹了噪聲的特徵、噪聲的來源、噪聲的模型、中值濾波、拉普拉斯銳化、灰度的均衡等。
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