降噪量 的英文怎麼說

中文拼音 [jiàngzàoliáng]
降噪量 英文
noise reduction amount
  • 降 : 降動詞1. （投降） surrender; capitulate 2. （降伏） subdue; vanquish; tame
  • 噪 : 動詞1. （蟲或鳥叫） chirp 2. （大聲叫嚷） make noise; make an uproar; clamour
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  1. The system hardware circuits of tipct and the measures for improving the quality of original thermal image are mainly discussed. the primary research content and innovation are as follows : the innovation is that some methods have been proposed to impove the quality of orginal thermal image, such as controlling excitation time, increasing temperature, reducing noise and enhancing emissivity, and so on

    本文主要圍繞電路故障檢測儀的系統硬體電路和熱圖像質量改善方法進行闡述，主要的創新點和研究內容如下:本文主要的創新點是:提出了改善熱圖像質量的幾種方法，如激勵時間控制、增溫法、降噪法和提高發射率法等。
  2. Study of noise reduction in coupled chaotic measurement circuits

    混沌測量電路耦合降噪研究
  3. The grade composite, road performance and its mechanism are systemically studied. 1 ) the aggregate grade of ogfc is studied through the volume method base on the analysis of the aggregate grades. then the grade is verified and the relation between the grade and pore rate is studied statistically, the typical grades of ogfc are developed ; 2 ) the reasonable pore rate of ogfc is studied on the basis of the balance of mechanics and function performance ; 3 ) the mineral fiber is added to the ogfc mixes to increase asphalt content, thus the anti - water performance of ogfc mixes are improved ; 4 ) high viscous asphalt fit for the preparation of ogfc is prepared through composite modification by sbs and rubber powder ; 5 ) the mechanics mechanism of ogfc is studied in the paper, it shows : asphalt paste, as well as the coarse aggregate skeleton, is essential to the mechanics of ogfc

    在分析各國ogfc級配的基礎上，運用礦料體積法進行ogfc級配設計，用正交實驗對礦料級配進行了優化設計，運用數理統計方法分析礦料級配和孔隙率之間的關系，並回歸出礦料關鍵篩孔通過率與ogfc骨架空隙結構關系的數學方程，進而提出了ogfc的合理級配；通過對不同孔隙率典型級配混合料的性能研究，綜合力學和功能性能，得出了ogfc的合理孔隙率范圍：針對高速公路面層對ogfc力學性能方面的要求，本文從瀝青膠結材料、纖維穩定劑兩方面對ogfc的性能進行改善：通過sbs和橡膠粉復合改性的方法開發出了適合ogfc的高粘度改性瀝青，摻加聚合物纖維，提高ogfc的最佳瀝青用量，進而改善了混合料的高溫性能和抗水損害性能，優化設計出能滿足高速公路路用性能，車轍動穩定度達5000次/ mm以上，動融劈裂強度比90 ，透水系數31ml / s ，並具有防滑降噪功能的開級配瀝青磨耗層（ ogfc ）混合料。
  4. We have successfully designed an experiment system for the no invasion blood pressure measurement with our own ip. in our research and develop task we have done a lot work to study foreign instrumen and design ideas. this experiment system is based on msp430 series mpu with excellent erformance and applies advanced digital signal process and intelligent technology. in hardware design, the following means were applied : after a lot of experment and fully knowing about the characteristic of the pulse wave signal, we have designed the accurate and credible circuit to collect the pulse wave signal ; power circuit, communicaion circuit, power drivers circuit have been disigned for the instrument. in software design, the following arithmetic were applied : 1

    軟體方面進行了以下演算法研究: 1 .綜合試驗各種數字信號處理方法對波形進行平滑處理: 2 .採用lms自適應方法對脈搏波信號進行了降噪處理; 3 .應用微分閉值法提高了脈搏波信號的檢出率，有效識別了運動干擾引起的偽波信號; 4 .利用測振法基本原理並進行大量實驗的基礎上，提出了比較準確可行的收縮壓和舒張壓的識別演算法，使測振法在本無創血壓儀中得到了完整而充分的應用。
  5. After analyzed the basic principle of optimized noise reduction on tyre pattern, summarized three approaches to noise reduction. the first is trying to reduce size of single block or socket to reduce noise amplitude on time domain, the second is to adjust stripes sorting order and their interlace value to avoid noise - made by every single block - peak values on time domain overlayed and the last is to adjust ratio of blocks and sockets, ratio of stripe interval and stripe sorting order to avoid noise periodical distribution and abnormal high peak values in some frequency strip

    論文第四章分析了輪胎花紋優化降噪的基本原理，總結出三條降噪途徑：在允許范圍內盡量減小單個塊或槽的大小、刻刀槽軟化花紋塊來減小噪聲時域波幅度；調整節距排列順序、花紋條之間的錯位值，使各發聲單元發出的聲壓時域波形的同向峰值錯開，避免同向峰值疊加；調整花紋塊和槽比例、節距比例、節距排列順序，盡量避免周期性分佈，使輪胎所發出的噪聲趨于白噪化，避免某些頻段的異常高峰值。
  6. Abstract : it is the first time to use powder damping technique in reducing the vibration and noise of cold saw clamp. through measurement and analysls of the noise reduction effects and frequency spectrum, it is found that powder damping is a simple and practical technique, and influences on the strength and natural characteristics of the clamp are small

    文摘:把粉體阻尼技術首次用於冷鋸機夾盤的減振降噪，通過對其降噪效果及頻譜的測量分析，發現粉體阻尼不但是一種簡單實用的技術而且對夾盤的強度和固有特性影響小。
  7. The control over the surface radiation noise ( combustion noise and mechanic noise ) is restricted by factors like the engine performance. technically such a control is quite difficult to manage and the noise reduction effect is not so encouraging

    發動機表面輻射噪聲（燃燒噪聲和機械噪聲）的控制要受到發動機性能方面的種種限制，從技術角度講難度很大，且降噪量有限。
  8. The content mainly involved in the image pre - processing, which includes de - noise and registration on the live image sequence and the mask image, the digital subtraction arithmetic and the image post - processing, which includes the image quantization and enhancement

    內容主要涉及數字剪影中造影片序列和蒙片的預處理，包括降噪和配準，數字剪影演算法研究以及數字剪影圖象序列的后處理，包括量化和增強共五個部分。
  9. Dithering, which adds white noise to the input analog signals, may be used to reduce quantization noise

    在輸入模擬信號中加入白噪聲，即抖動，可以降低量化噪聲。
  10. Stability and intensity of structure are commonly top - priority in the structure design. when a noise problem has been found in the structure, the common way to decrease vibration is adding damping or vibration isolating because of much restriction in the modification of structure

    在常規的結構設計中，設計過程往往優先考慮結構的穩定性和強度及重量等因素，在試驗階段才考慮振動和噪聲問題，此時，結構可改動的餘地一般已經很小，通常只可能通過附加阻尼或者採用隔振手段等來實現減振降噪。
  11. Based on those studies, a prototype of noise in speech reducing device for wireless communication is designed and implemented, with its effects evaluated

    因此，研究無線語音降噪技術與語音增強演算法、研製無線語音降噪設備對于提高無線語音通信質量有著重要意義。
  12. With the research into the detection ability and estimation accuracy, achieves the conclusion that the wild fov optical structure and the large area array ccd imaging system, which applied noise filter techniques, can effectively improve the star sensor performances

    通過對探測能力和測量精度的分析與研究，得出大視場光學系統結構和採用有效降噪技術的大面陣ccd成像系統，可以有效改善星敏感器的探測能力和測量精度。
  13. The equation of noise reduction due to the absorption will be deduced and added to the total noise reduction

    探討屏障的吸聲性能對繞射降噪量的貢獻，並推導出與吸聲系數有關的繞射降噪量的公式。
  14. Under the limited size of the enclosure, the higher noise reduction is obtained in limited space, and good effectiveness is gained

    在箱體尺寸受限制的條件下，利用有限的空間實現了較大的降噪量，取得了良好效果。
  15. Secondly, ground on the duct noise control, the delayed - lms algorithm, which is actulized easily, is brought forward, then the simulation on pc is achieved. it is shown from the computer simulation that for the single frequency noise, there will be a good effect when choosing the suitable parameters ; but for the narrowband noise, the effect will become worse with increasement of the bandwidth. this result is helpful to analyze the parameters influencing anc

    結果表明： （ 1 ）隨著濾波器長度的增大，系統收斂速度變快； （ 2 ）隨著值的增大，系統的收斂速度增大，但是當值超過某一范圍時會引起系統的發散； （ 3 ）次級通路的延遲數與初級噪聲頻率有關； （ 4 ）對于窄帶信號， dlms演算法可以取得一定的降噪量，但是隨著窄帶信號帶寬的增大，降噪效果明顯變差。
  16. Specifically, this thesis includes the following work : the basic theory of speech processing and noise in speech reduce. we study the short interval character of speech signal and short interval process technology, and classify the noise and disturbance in wireless receiver terminal into 3 categories and present corresponding schemes

    本文針對高質量無線語音傳輸的需求，對語音處理及語音降噪的基礎理論、關鍵技術及降噪設備的實現方法展開研究，在此基礎上設計實現了無線語音通信降噪器實驗系統，並對實驗系統的降噪效果進行了測試。
  17. In this paper, a method to evaluate hardware performance of laser detection system with the array signal estimation is proposed. and the optimally weight vector of array signal can be acquired by the doa estimating of received signals. in order to acquire the maximum output power of expected signals, summation of weight vector is applied

    提出用陣列信號源的估計來判斷激光檢測系統硬體性能；用接收信號波達角的估計得出陣列信號最佳權向量；用權向量的加權求和獲取期望信號的最大輸出功率，同時基於davidl . donoho軟閾值理論，進行多層小波降噪，重構原始路面信號。
  18. Open graded friction courses ( ogfc ) is a kind of open graded porous asphalt mix designed to drain water on the road face when raining. it has good performance on draining, anti - slide and noise reducing. it is common used in foreign countries from 1980s, while the lack in china because its poor mechanics performance, due to the high pore rate, cannot fit for the heavy traffic load in china

    開級配瀝青磨耗層（ ogfc ）是一種具有相互連通空隙的開級配混合料，具有優良的排水、防滑、降噪等功能，然而該種混合料空隙率達15以上，瀝青用量低，混合料的耐久性和強度會產生一定影響，由於我國高速公路重載、超載嚴重，按國外設計方法設計的ogfc混合料難以滿足路用性能的要求，因此， ogfc在我國高等級公路建設中一直沒有得到推行。
  19. ( 3 ) introducing the proportional damping, the finite element formula of structural - acoustic coupled system lined with sound absorbing materials is obtained. mode - superposition technique for modal frequency response analysis of coupled structure - acoustic systems is also used to deal with the sensitivities of the eigenvalues and eigenvectors of coupled systems for the purpose of reducing cavity interior noise in theory

    討論了阻尼降噪問題，建立了有阻尼聲振耦合系統的有限元模型，採用振型疊加法，將系統位移轉換到以固有振型為基向量，進行結構壁面有吸聲材料的聲振耦合系統響應的有限元分析與靈敏度分析，推導了比例阻尼條件的靈敏度計算公式。
  20. With the increasing requirement of people to the more comfortable automobiles, it is important to reduce the vibration and noise of the spiral bevel

    在人們對于車輛乘坐舒適性提出更高要求的背景下，減振降噪以及產品的質量控制就成為當前錐齒輪行業的重要課題。
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