消波器 的英文怎麼說
中文拼音 [xiāobōqì]
消波器
英文
breakwater-
Thirdly, two kinds of the methods to improve the performance of filter stopband has been discussed. these methods are used to cleared up the influence of the parasitical passband. through the simulation and test result shows that these methods " s performance is expected
第三，論了2種對濾波器阻帶抑制進行改善的方法，以消除寄生通帶的影響，通過模擬和實際製作濾波器的測試結果。Section ii describes the design approach and implementation of speech module on mcf5249 coldfire core. the speech codec optimizes g. 729a codes and added voice activity detection of g. 729b to save bandwidth ; the implementation of acoustic echo cancellation uses nlms algorithm and it can reduce echo though designing adaptive fir filter and speech detector ; the dtmf and cpt generate signal using two second order digital sinusoidal oscillators and detect signal by picking up the frequency information. but only get the frequency information is not enough in cpt detector, this thesis introduces a method
其中對語音編解碼器的設計採用優化g . 729a代碼達到設計要求，並在此基礎上加入g . 729b的靜音檢測模塊，以進一步降低網路傳輸帶寬;對回聲消除器的設計採用nlms演算法，通過設計自適應fir濾波器和語音檢測器達到回聲消除目的;對雙音多頻設計，信號發生端採用構造靜態參數表並通過二階正弦振蕩器產生信號，信號檢測端提取頻率信息以檢測信號;對呼叫進程音設計，除了類似雙音多頻的信號發生及頻率檢測設計外，還需要檢測信號持續時間，作者設計了一種基於匹配狀態表的方法以檢測信號持續時間。The algorithm can not only eliminate the influence of the cumulative errors of the photoelectric code recorder, but also it can satisfy the requirement of the real - time control. a direct inverse model controller of fuzzy neural network with changeable structure based on takagi - sugeno inference is presented and it is used to the motion control of mobile robot. in order to avoid the obstacles successfully, detection results from ccd and ultrasonic sensors are fused by a fuzzy neural network, which acts as an avoidance controller
包括移動機器人的融合自定位問題：移動機器人利用光電編碼器進行自定位，同時用擴展卡爾曼濾波器融合多個超聲波傳感器的測量值，採用回朔演算法將融合值用於復位光電編碼器，消除了光電編碼器累積誤差的影響，並能滿足實時控制的要求：並提出一種基於takagi - sugeno模型的變結構模糊神經網路直接逆模型控制器，並應用於移動機器人的運動控制；利用模糊神經網路避障控制器融合ccd攝象機與超聲波傳感器探測到的環境信息，以實現機器人的安全避障。Adaptive noise cancellation by multirate filter bank
多解析度濾波器組在自適應噪聲消除中的應用The echo canceller includes an adaptive finite impulse response filter that generates an adaptive filter weight vector
此?音消除系統由一適應性有限脈沖響應濾波器所組成，它能產生一組適應性濾波器權值向量。Because period narrow band signals are the main part of background noises, this thesis uses hardware description language to design a multi - band finite impulse response filter ( fir ) and downloads the program into filed programmable gate array to eliminate the period narrow - band interferences in the background noises
3 ）在現場環境中，背景干擾主要是周期性的窄帶，本文利用硬體描述語言（ vhdl ）設計了一個多帶fir有限沖擊響應濾波器。應用到可編程邏輯器件中，消除了背景噪聲中的周期性干擾，為信號的進一步處理提供盡可能幹凈的信號。Nanc has two adaptive filters : a main filter ( mf ) and a subfilter ( sf ). the signal - to - noise ratio ( snr ) of the input signals is estimated using the sf
該自適應噪聲抵消系統由主自適應濾波器（ mf ）與分自適應濾波器（ sf ）組成。Computer simulation results show that the proposed algorithm reduces the signal distortion and the reverberation which are caused by misadjustment errors in the adaptive filter and the correlated component of the speech in the reference signal compared with a conventional adaptive noise canceller ( anc )
模擬結果證明nanc演算法有效克服了影響傳統自適應噪聲抵消系統（ anc ）性能的一些瓶頸，如兩輸入中的非相關噪聲，參考輸入中的信號成分與自適應濾波器失調誤差而產生的信號失真、回響等情況。In 2000 passed theiso9001 quality system authentication, the main camp product includes : the filter, filters the separator, the oil - water separator, thesilencer, cuts shui qi, the respiration valve, the fire resistance, the hydraulic pressure safety valve, kong leijian, the metal vlexiblehose, the ripple compensator, fluctuates under the oil installment, the pot the sampling, the crane tube, lightly falls the springboard, the steel structure trestle, the liquid level indicator, the oilinterceptor, the heater, regards product and so on boundary
2000年通過了iso9001質量體系認證，主營產品有：過濾器、過濾分離器、油水分離器、消聲器、切水器、呼吸閥、阻火器、液壓安全閥、孔類件、金屬軟管、波紋補償器、浮動出油裝置、罐下采樣器、鶴管、輕落跳板、鋼結構棧橋、液面指示器、阻油器、加熱器、視境等產品。Yinzhou xinghui home electric lock factory specializes in making all kinds of locks and hinge for refrigerator and ice cabinet, 9w cash - check lamp, pot opener, easel for fire - extinguisher, fittings for motor etc, they sell all over the country
寧波市鄞州雲龍興惠家電鎖廠專業生產冰箱門鎖、冰櫃門鎖、冰箱鉸鏈、冰櫃鉸鏈、中鉸鏈、紫外線偽鈔識別儀、 9w驗鈔燈、聽頭罐開關、消防桶架攀等消防器具、柴油機配件等系列產品，行銷全國。Secondly the detection precision is only related to the synchronization phase but not to the amplitude of the mainline voltage because that it uses the optimized pulses synchronous with the mainline voltage as modulation signals. thirdly it decreases the requirement of the input low pass filter and eliminates the error resulting from the direct component and even harmonics of load current. the most significant merit is that it can eliminate the effect of a few low order odd harmonics and the detecting circuit is easy to be implemented
模擬和實驗結果表明該方法的主要優點有：不需使用乘法器進行信號調制，調制信號採用與電網電壓同步的優化特定脈沖，其檢測精度只與同步相位有關，而與電網電壓幅值無關；降低了對輸入低通濾波器的通頻帶要求，直流和偶次諧波分量對檢測精度沒有影響；突出的優點是可以消除有限個低奇次諧波對檢測結果的影響。The innovations consist of : synthetically restraining the filter ' s divergence, as effectively improved the filter ' s numerical stability ; a parallel filter structure is creatively designed to eliminate system biases ; and sprt method is used to control the adjustment of the noise statistics, so as to ameliorate the tracking performance of time - variant noises
對常規的次優遞推sage自適應濾波器進行了改造，包括：對濾波結果發散進行綜合抑制，提高了濾波器的數值穩定性；採用并行結構，消除了結果偏差；應用sprt控制調整，增強了濾波器的動態跟蹤能力。Compared with the traditional methods of artifacts elimination, ica, a kind of spatial filter, does not be restricted by the case of spectrum overlapping, and have a good reservation of useful detail signals
此外， ica這種空間濾波器不受信號頻譜混迭的限制，消噪的同時能對有用信號的細節成分做到很好的保留，很大程度上彌補了時頻域方法的不足。By changing the multiple time - varying fading factors of the strong tracking filter, mstkf switches between kalman filtering and strong tracking filtering
通過直接改變強跟蹤濾波器的多重時變漸消因子， mstkf在卡爾曼濾波和強跟蹤濾波兩種工作狀態之間切換。Simulative results prove that these algorithms are effective to improve the orientation precision. at the end of the paper, we apply the kalman filtering to gps / dr and gps / ins and obtain preferably results
在此基礎上，就如何提高濾波器的動態性能作者提出了改進演算法，即自適應卡爾曼濾波演算法、帶漸消因子的優化演算法及改進的優化演算法，並分別進行了模擬分析。Through theoretic reckoning and simulating analyzing, several control strategies for shunt apf were compared and chose ip - iq arithmetic of the instantaneous reactive power theory control strategy as the right scheme to produce the instructing current. based on it, some new control arithmetic was subjoined to suppress the resonance in system and balance the dc side capacitor voltage. two topologies of main circuit were compared and chose the three - phase voltage - source converter with a split - capacitor as its main circuit structure
通過理論計算和模擬分析，比較了並聯型apf的幾種控制策略的優點和缺點，從中選擇瞬時無功理論控制策略i _ p - i _ q計算方式為指令電流產生的演算法，並在此基礎上增加了抑制系統諧振和平衡直流側電容電壓的控制；比較了並聯型apf主電路的兩種常見形式，從中選擇了三相電壓型變流器的主電路形式；算出適合該apf的直流側電容和出線電感的參數；設計出能有效消除apf產生的高次諧波的高通濾波器。Imagine an online seismometer that notifies a student of a seismic event through email or instant messaging
試想，一個在線用於通過電子郵件或者即時消息通知試驗者地震事件的地震檢波器。Two generating methods of compensation current are also proposed for the purpose of eliminating detuning or limiting harmonic voltage contents, in which the compensation current is the weighted superposition of filter harmonic currents or voltages and the regulating factor
針對消除失諧或限制諧波電壓含量的不同控制目標，提出了諧波磁通補償電流的兩種生成方法，補償電流分別是濾波器電流或母線電壓中各次諧波分量與調節系數的加權合成。Moreover, a spindly shaped damping zone is designed to improve the absorption capability of conditional damping zone, which has the function of two directional wave absorption and low - pass filtering
其中對阻尼消波技術作了改進，設計了一種紡錘形的阻尼消波器使其具有雙向消波功能和低通濾波功能。The simulating results indicate that the scheme is stable in linear frame, and exists weak instability on the intersecting points of lateral boundary and interface in nonlinear frame. in present stage, a technique of using damping zone to limit the movement of the intersecting points is used to avoid this instability problem, however, to solve it thoroughly, the original model has to be modified in the future
實驗證明，在線性框架下該模式是穩定的，但在非線性模擬中卻出現了由邊界角點引起的弱不穩定現象，必須對模式作進一步修改，為此同時提出了以消波器消除該角點影響的限制性解決方法。分享友人