噪聲抑制電路 的英文怎麼說
中文拼音 [zàoshēngyìzhìdiànlù]
噪聲抑制電路
英文
muting circuit- 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...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 抑制 : 1 (控制) restrain; control; check; hold up; curb; stop; repress; bridle; choke; prehension; sup...
- 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
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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。Two nonlinear simulation methods are designed by curve fitting method and anfis which seem simply and right in the simulation experiment. based on the model different control strategies also were realized in detail such as chopped current control ( ccc ), angular position control ( apc ), amplitude - change ccc and pi control. a simple torque sharing function ( tsf ) method and a tsf controller were designed which decreases torque ripple effectively
文章中還建立一種基於模糊神經網路的非線性模型,並對比分析了三種方法,模擬中確定了電機的最優開通關斷角,在此基礎上實現了電流斬波控制、角度位置控制、變幅值電流斬波控制以及分段雙閉環pi控制,模擬結果表明,它實現了電機的正常運行,很好的抑止了電機轉矩脈動,同時有效地降低了噪聲。The circuit is used in high resolution resistance measuring. the coupled chaotic circuit array composed of this circuit is researched by computer simulation and circuit experiment. results show that, it is feasible to improve the stability of orders of chaotic systems and reduce noise in measuring by coupling
最後,對以這種單電源驅動的混沌電路為基本單元所構成的耦合混沌陣列在提高系統輸出的穩定性和抑制噪聲作用方面,進行了計算機模擬研究和實際的電路實驗研究,結果顯示通過耦合的方式,可以將信號檢測的精度提高近一個數量級。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。Very weak signal was detected based on the property of chaotic system ' s sensitivity to initial conditions, and noise was reduced by coupling chaotic measurement circuits
摘要利用混沌系統的初值敏感性來測量極其微弱的信號,並通過混沌測量電路耦合來抑制噪聲。The system can resolve the noise and impedance on the power line and obviously improve the abilities of anti - disturbance and successful rate of communication. at the same time, the software realy method and arithmetic is also introduced to settle the problem of attenuation and increase the distance of carrier communication, it can satisfy the need of remote reading meter system
該系統有效地克服了電力線噪聲和阻抗變化等干擾因素,提高了抗干擾能力和通信成功率,同時提出軟體中繼的思想和演算法並加以實現,進一步抑制了線路衰減快的問題,使載波通信的距離增加,滿足了遠程抄表系統的要求。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。Circuit experiments consisting of two measuring units and computer analysis prove the method is effective, and circuit experiments consisting of n measuring units show noise reduction will be better as n increases
兩個混沌測量電路的耦合實驗和計算機數值計算驗證了這種方法是有效的,又進一步討論了由n個單元電路構成的耦合實驗,可得到隨著n的增加它抑制噪聲的能力也增強。By coupling of many chaotic circuits, orbits can be closed each other, distance can be shorted, and noise in measuring can be reduced
它是通過混沌電路的耦合,使耦合軌道相互靠攏,軌道距離減少,從而抑制電路中的噪聲。The experiments also show that the new circuit can deal with the four basic waveforms rightly and has the advantage of high resolution, high capability of rejecting noise, simplicity, and so on
實驗表明:新鑒相電路能正確處理四種基本波形,且具有解析度高、噪聲抑制能力強、電路簡單等優點。The paper discusses the part of asic design of tcm ( trellis coded modulation ) in hdtv 8vsb terrestrial channel broadcasting receiver chip. in testing, the tcm can improve the signal - to - noise by 3. 3db compared with uncoded 4 - vsb modulation, and with the 12 path intrasegment interleaving in tcm coding and viterbi decoding, system can control short burst noise error efficiently
在高清晰度電視通道接收晶元中內碼是8 ? vsb的格狀編碼,在系統性能上使用tcm編碼要比未編碼有3 . 3db的編碼增益,另外在格狀編碼中加入了12路的內交織,可有效的抑制短的突發噪聲對接收端viterbi解碼性能的影響。The study provides one methodological design on multi - band planar metamaterials, to be applied in antenna substrate and noise suppression in microwave circuits
該研究提供了一種多帶的平面型異向性結構的設計思想,在天線基板和微波電路噪聲抑制中具有廣泛的應用。Transfer function of the closed - loop is presented after analyzing every part of the closed - loop of current control. the time - domain and frequency - domain characteristic of the closed - loop is analyzed and the stability error is discussed, and the closed - loop ’ s ability to restrain the noise is simulated by the tool of simulink, so as to optimize the parameters
分析了穩流環路的各個環節,得出了穩流環路的控制方程,從控制角度分析了該環路的時域、頻域特性和穩態誤差,並對環路抑制電路噪聲性能進行了simulink模擬,從而得出最佳的參數。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。At present the manufacture of surface acoustic wave use the technology of the final submicron. a series of the devices of low insertion loss, high q saw rayleigh surface acoustic wave resonators or stws that insertion loss has less than 5db, load quality factor ( ql ) is more than 1000 on the quartz piezoelectric with zero of first temperature factor in the research. these difference frequencies are 60mhz, 280mhz, 739mhz and 1ghz of normal frequency and at also surface acoustic wave. using 1. 25db noise factor amplifier, careful design curcuit, good setting printed curcuit board, and using the 1ghz surface transverse wave resonator as frequency element, researching the low phase noise surface acoustic wave with sideband phase noise near ? 120dbc / hz deviating 1khz on carrier, spurious suppress with 80db
本研究採用一階溫度系數為零的壓電石英基片上製作出損耗小於5db 、有載品值因素( ql值)超過1000的一系列低損耗、高q值聲表面波rayleigh波或stw諧振器,頻率分別為60mhz 、 280mhz 、 739mhz和1ghz等不同頻率的高性能聲表面波諧振器。並採用噪聲系數為1 . 25db的低噪聲系數放大器,精心設計電路,優化設計布置印製電路板,用標稱頻率為1ghz的聲表面波諧振器為頻率控制元件,製作出在偏離載頻1khz處的單邊帶相位噪聲近- 120dbc / hz 、雜波抑制達80db以上的低相位噪聲聲表面波振蕩器。This ku - band three channel receiver consists of spst modules, lna modules and image rejection mixer modules. these modules were designed and tested separately, then were assembled to the whole receiver. all the circuits were designed with small - sized devices so as to reduce the total size of the receiver. and the noise figure was considerably reduced because of the image rejection mixer
另外,由於採用了鏡像抑制混頻器,從而使整機噪聲系數大為降低。在設計方法上,本文採用了先進的微波電路設計軟體ansoftserenade對所有的電路和系統進行設計、優化和模擬,大大的縮短設計周期,提高設計效率。The techniques to reduce interferences are developed in the modules, such as the active electrodes, the driven - right - leg ( drl ) circuit and a series of filter circuits
在這些模塊中,系統採用了主動電極、右腿驅動電路和各種濾波電路等一系列抑制噪聲的技術。Introduced the antijamming in the numerical control system design, from the shield ( including electric field shield, magnetic screen and electromagnetic field shield ) designs mentions, added the absorbing circuit to the perceptual load to suppress the transient state noise to give the specify, might avoid the numerical control system which disturbed creates " softly " the breakdown
摘要介紹數控系統中的抗干擾技術,對屏蔽(包括電場屏蔽,磁場屏蔽和電磁場屏蔽,正確的布線方式)和感性負載加吸收電路來抑制瞬態噪聲做了詳細說明,可避免干擾造成的數控系統的「軟」故障。An example of restraining electromagnetic noise by increasing stator winding branches
增加定子繞組路數抑制電磁噪聲的一則實例A coupled circuit composed of chaotic measuring units was studied, and the relationship between noise reduction and unit number with identical or different parameters in coupled circuits was analyzed based on symbolic dynamics
研究由多個混沌測量單元構成的耦合系統,基於符號動力學原理,採用電路實驗分析了耦合單元電路在參數相同和有些漲落時噪聲抑制與混沌測量單元數之間的關系。分享友人