噪抑制器 的英文怎麼說
中文拼音 [zàoyìzhìqì]
噪抑制器
英文
noisekiller- 噪 : 動詞1. (蟲或鳥叫) chirp 2. (大聲叫嚷) make noise; make an uproar; clamour
- 抑 : Ⅰ動詞(向下按; 壓制) restrain; repress; curb Ⅱ連詞[書面語]1 (表示抉擇) or 2 (表示轉折) but3 ...
- 制 : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 抑制 : 1 (控制) restrain; control; check; hold up; curb; stop; repress; bridle; choke; prehension; sup...
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A kind of general audio frequency periodic noise suppressor
一種通用的音頻周期性噪聲抑制器In the sub block circuit design, the contents that the author had introduced include : the principle of band gap voltage reference and the design technique in low power supply ; the analysis of spike pulse noise rejection, frequency divider and dead time in oscillator and control circuit ; the selection of the width and length ratio of four switches and 2x / 1x mode change point in driver and mode selection circuits
在子電路設計中,作者比較深入分析的內容有:基準電路的原理及低電源電壓下基準電路的設計;振蕩器和控制電路中尖峰脈沖噪聲抑制、兩分頻電路及死區時間設定;驅動及模式選擇電路中開關管的寬長比的選擇及模式轉換點的設計。Dnl dynamic noise limiter
動態噪聲抑制器Automatic noise suppressor
自動噪聲抑制器By utilizing the comb - like reflection spectrum of a hi - bi fiber loop mirror to suppress the ase ( amplified spontaneous emission ) of a double - pass edfa, the noise figure of this amplifier is much improved
利用雙折射環鏡的梳狀反射特性抑制雙通edfa的ase ,從而使放大器的噪聲性能得到了明顯改善。The stability output second harmonic generation ( shg ) experiment results of single - longitudinal mode and multi - longitudinal mode with long cavity were explained reasonably with these rate equations. the high polarization of fundamental wave in the isotropic laser media nd : yag with type - i critical phase - matching lbo was studied with the rate equations including polarization of fundamental light. using the polarization function of lbo, a quartz full - wave plate was introduced into the cavity, a kind of birefringent filter by considering the combination of the polarization function of the type - i critical phase - matching doubling frequency crystal lbo and the quartz whole - wave plate was constructed
將腔內多縱模倍頻速率方程推廣應用到準三能級藍光激光器中,分析了一個縱模、兩個縱模、多個縱模時的噪聲情況,合理地解釋了實驗中激光器單縱模運轉以及長腔多縱模運轉時穩定輸出的實驗現象,同時利用該速率方程分析了以各向同性激光晶體nd : yag為工作物質,類臨界相位匹配lbo為倍頻晶體的藍光激光器中基頻光偏振特性,合理利用類臨界相位匹配lbo倍頻晶體的偏振特性與引入的石英晶體全波片構成雙折射濾光片,通過選單頻來抑制噪聲,獲得了藍光低噪聲的穩定輸出。The precise clock source is crystal oscillator made of 74hc04 ; the mute circuit can conceal the error and solve the problem of noise ; the antenna switching circuit in the receiver is to select one antenna from two which receives signal better. it can improve the quality of the receiving audio signal, restrain the noise effectively and promote the system performance
高精度的時鐘源是由74hc04構成的晶體振蕩器;靜音電路將出錯的音頻信號進行差錯掩蓋,很好地解決了噪聲問題;接收機採用兩副天線切換工作,提高了音頻信號接收質量,有效地抑制干擾,提升了系統的性能。In this dissertation, the problems of crosstalks and noises in the large - scale arrays were analyzed on the base of reseaching on multiplexing technologies, and the techniques suppressing or decreasing the crosstalks and noises were sought for. a reasonable design for a large - scale array of fiber - optic hydrophones is grounded on this dissertation
本論文的主要工作就是在深入研究光纖水聽器多路復用技術的基礎上,對大規模復用系統的串擾和噪聲問題進行深入細致的分析研究,探索降低或抑制串擾和噪聲的技術、方法,為合理構建大規模光纖水聽器陣列提供科學依據。And concerning boundary conditions along piping system are properly set. futhermore, vertex sound is discussed in this paper. effect of the noise reduction about the mufflers is analysed, and a lot of trials is used to testify exist of valve noise and influence to pipe system. there kinds of mufflers are proved that they can reduce the fluid niose of pipe system by a large number of experimentation
對噪聲的抑制裝置? ?消聲器的降噪效果進行了分析,並結合實際工作建立了模擬海水管路試驗臺架,通過一系列試驗,說明閥門噪聲的存在,及其對管路流噪聲的影響,證明設計的三種結構消聲器對管路流噪聲的良好消減效果。Secondly : i choose a non - linear filter named hybrid filter which combines linear and nonlinear filters is proposed for print gray image, it performs better than average fil ters and median filters on noise reduction. while retaining edges of an image. i suggest a modified version and fast implementation of this filter improve its performance. because of its reduced computation complexity, this filter excels in real - time tasks
因為噪聲時常包含非線性問題,針對這種情況,既要抑制噪聲,又要保護圖像邊緣,本文採用一從度指紋圖像上噪處理研究種基於線性,非線性的混合濾波器演算法,該演算法比均值濾彼器,中值加權濾波器,格形濾波器,具有更好的抑制噪聲的能力,不但較好的保持圖像地邊緣,而且能反映圖像的幾何結構和細節特性。Chapter 7 introduced the usual interference in the data acquisition system, including same intrinsic noise interference of the devices, some common impedance interference electromagnetism interference and discussed the method to restrain them
在第7章,介紹了數據採集系統常見的干擾,包括器件固有噪聲干擾、公共阻抗干擾、電磁場干擾、並討論了抑制這些干擾的措施。Thirdly, the range switch circuit and filter circuit are designed in the analog input channel. to realize the safe high speed acquisition, the interface circuits are separated from the function circuits, and the isolation power with high performance and digital isolator is used to restrain the common mode disturb and noise of the input
3 .模擬輸入通道設計有量程切換電路和濾波電路,並且採用了屏蔽、浮置技術和磁耦隔離技術,使用了高性能的隔離電源和磁電耦合器,有效地抑制了輸入信號的共模干擾和噪聲,實現了安全、高速的數據採集。Firstly, the effects of short - delay multipath to the dll, pll, and snr of receive signal are discussed. then the effects of multipath to multiple closely spaced antennas are presented. and solve the problem by promote a new method based on extended kalman filtering, which utilize the correlation of measure data of dll, pll and snr of each antenna
最後,利用小范圍多天線系統中多徑信號對接收機碼環、載波環及信噪比影響的相關性,提出了基於擴展卡爾曼濾波器的多徑干擾抑制技術,解決了近距多徑信號的抑制問題。Because mz interferometric optical fiber gyroscope has bigger nonreciprocal phase, the system thermal stability, polarization noise and the error caused by the fluctuation of light source is particular analysed, some effective methods is proposed such as : using the " quasi - white - light " interferometry and the fiber polish technology accurately to control the fiber length, using depolarization light to minish the polarization error, and using temperature control, optical power control and depolarizer to stabilize the output of the light source
結合mz干涉式光纖陀螺的存在較大非互易相移的特點,著重從其溫度穩定性、偏振噪聲以及光源波動引起的誤差三個方面分析了抑制噪聲、提高檢測精度的方法,提出了:採用「準白光」干涉測量法結合光纖研磨技術精確控制光纖長度差的辦法;採用非偏振光源抑制偏振噪聲的方法;採用溫度控制、功率控制以及消偏器實現穩定化陀螺光源的方法。Moreover, computer - aided design for power - line filter and discussion on implementation of intelligent equipment of noise measurement and suppression are also introduced, results show that the discrimination network based on splitter / combiner has better hf performance with low insertion loss and good rejection capability, however, it is more expensive
結果表明,基於分相器混和器的噪聲分離網路具有更好的高頻特性,且網路插損和噪聲模態抑制特性能夠滿足工程精度要求,但網路製造成本較高。The interference resisting measures are discussed in the article, such as sensor designing, signal transmission package, pcb designing, signal processing, etc. the measures make the system has a strong ability of interference resisting and enhance the signal noise ratio
本論文從信號檢測傳感器、數據傳輸通道、 pcb布板、軟體設計等幾個方面重點研究了提高系統抗干擾能力的原理和要採取的措施,使檢測系統具有較強的抑制干擾信號的能力,提高了武漢理工大學碩士學位論文信噪t匕。This article, aiming at the specialties of rmb currency image, puts forward a new method using linear transform of image gray to diminish the influence of the background image noises in order to give prominence to edge information of the image. then the edge characteristic information image is obtained by edge detecting using simple statistics. by dividing the edge characteristic information image in the width direction into different areas, getting the number of the edge characteristic points of different areas as input vectors to random masks and optimized by ga
文中提出了利用圖像灰度線性變換來抑制背景圖案噪聲的影響,突出圖像邊緣信息;然後採用簡單統計法進行邊緣檢測,得到邊緣特徵信息圖;最後通過對邊緣特徵信息圖在寬度方向上進行均勻劃分成不同的區域,統計不同區域的邊緣特徵點的數目作為神經網路的初始輸入向量,對初始輸入向量用隨機掩碼處理和遺傳演算法進行優化得到最終輸入向量,通過三層bp神經網路分類器進行分類,達到了人民幣識別的目的。For the signals are very weak, the lock - in amplifier is employed to extract the signals in the circuit design. it can inhabit the noise in the most and maximize the signal - to - noise
因為信號十分微弱,所以在電路設計上採用鎖相放大器來提取信號,最大限度的抑制噪聲,提高系統的信噪比。The research content of the thesis is the speech enhancement technique that is used in the acoustic feedback suppresser. firstly, we searched and compared the methods of noise estimation based on vad and updating the noise spectrum continuously, combined them together to make some improvement. secondly, we research on some speech enhance techniques including short time spectrum analysis speech enhance technique and its improvement form, simulated the algorithms and compared them each other
本論文研究語音增強技術在聲反饋抑制器中的應用,論文的主要工作包括: 1 .對基於vad ( voiceactivitydetection )的噪聲估計方法和連續更新噪聲譜的方法進行研究和比較,針對模擬結果分析兩種噪聲估計的性能,並將兩者結合起來,做出改進,用於實際的語音增強系統中。In a telephone circuit controlled by an echo - suppressor, the inability of one or both subscribers to get through because of either excessive local circuit noise or continuous speech from one subscriber
在回波抑制器控制的電話線路中,用戶的一方或雙方因為過量的局部線路噪音或對方連續說話而不能通話的情況。分享友人