濾聲器 的英文怎麼說
中文拼音 [lǜshēngqì]
濾聲器
英文
acoustic filter-
Type designation system for surface acoustic wave filters
聲表面波濾波器型號命名方法In designing analogic circuit, we adopt programmable filter max262 to meet the system ' s command. after the step, we can make the signal ' s frequency width is wider and noise level is lower. to make the signal ' s amplitude to meet the analogic to digital device ' s command, we adopt the max551 to finish the gain control
在模擬電路部分，採用可編程濾波器max262 ，這樣就滿足了該數據採集裝置所採集的信號的頻率范圍較寬以及具有較低的噪聲水平的要求，為了使采樣到的信號的幅度滿足後面a d轉換器的要求，採用max551對采樣到的信號進行調理（增益控制） 。Electroacoustics. octave - band and fractional - octave - band filters
電聲學.倍頻帶和分倍頻帶濾波器Electroacoustics - octave - band and fractional - octave - band filters
電聲學.倍頻帶和分倍頻帶濾波器Equipped with muffler accelerator and air filter
配備消聲器、加速器和空氣過濾器。So the advanced salt and pepper filter is applied in the gray handwriting images. the best result is achieved in these handwriting images, which have the broad and pockety noise
改進的鹽和胡椒濾波器可應用於灰度筆跡圖像，對于分佈廣泛且不均勻的噪聲點的去除有較好的效果。The focus is placed on the investigation of the standard of the encoding algorithm for mpeg audio layer iii, and the analysis of the major four modules in the compression algorithm, including encoding of subband filter bank, psychoacoustics model, quantification and huffman coding, frame packing
重點研究了mpeg音頻第層編碼的演算法標準。詳細分析了壓縮演算法中的四個主要功能模塊：子帶濾波器組編碼，心理聲學模型，比特流量化與霍夫曼編碼，幀數據流格式化。Intake filter silencers for displacement air compressors
容積式空氣壓縮機進氣濾清消聲器The world consumption value of lithium tantalate wafers was estimated at us $ 150 million. until last year, 3 - inch wafers dominated the market demand. however, 4 - inch wafers will overtake this year due to change in production requirement for rf saw filters
直到去年底三英寸晶片仍居市場的主流；然而在射頻聲表濾波器製程上的殷切需求下，今年度四英寸晶片的產量成長將會超過三英寸晶片成為主流產品。Upon its establishment tera xtal managed to recruit the top technical personnel in crystal growth and wafer processing fields. their first mission was to manufacture the lithium tantalate crystal substrate for the rf saw filters used in the wireless applications
凝聚國內長晶及晶圓加工等技術第一流菁英共同組成的經營團隊投入創業，半年來最主要的課題就是在最短的時間內生產出無線通訊器材內射頻表面聲波濾波器Sawf surface acoustic wave filter
聲表面波濾波器Surface acoustic wave filter
聲表面波濾波器For phonetic signal modulation, if the pass band range of the band pass filter ( bpf ) is 300hz - 3400hz, the anti - noise properties of laser are approximately independent of bias current and parameters of the cavity ; when the pass band range of bpf increases to a certain degree, modulating bias current and parameters of the cavity can improve the anti - noise properties of laser
對語音調制情況，如帶通濾波器的通帶范圍取為300hz - 3400hz ，則激光器的抗噪聲性能基本不依賴于偏置電流和腔內參數；當帶通濾波器的通帶范圍增大到一定程度，調整偏置電流和腔內參數可以實現半導體激光器的高抗噪聲性能。Present a modified particle filter ( pf ) algorithm based on the los / nlos binary state information of propagation environment using the numerical method of the probability density function ( pdf ) about the hybrid noise. the key idea is using numerical method to calculate the hybrid noise pdf, and integrating binary environment information to get filtering result
2 .給出了應用粒子濾波器改進直達波與非直達波混合環境中移動終端跟蹤性能的新演算法，特色是利用數值方法計算混合噪聲密度函數，結合二元環境信息完成濾波估計。Rf saw filter for cellular telephone
低功率無線系統用聲表濾波器If saw filter for cellular telephone
無線局域網用聲表濾波器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。Acoustooptic deflector is the significant component of the optical devices such as integrated optical spectrograph, tunable filter, scanner, convolver, correlator and optical switch etc. acoustooptic deflector can be divided into collinear and non - collinear, bulky and wave - guided, body devices and surface devices
聲光偏轉器是集成光學頻譜儀、可調諧濾波器、掃描儀、卷積器等光學器件的重要組件、聲光偏轉器可分為共線式和非共線式、塊體型和波導型以及體波器件和表面波器件。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。It also gives a safety design problem analysis using an electret capacitor microphone to pick - up the heart sound signals
該電路涉及到放大、濾波、電平抬升等電路，並給出了安全設計問題，利用駐極體電容傳聲器來拾取心音信號。分享友人