靜噪器 的英文怎麼說
中文拼音 [jìngzàoqì]
靜噪器
英文
antihum device-
The specific research methods are listed : 1. matched filter taking the max ouput snr as the best rule correlates nonstop divided signal and divided echo to detect low snr target signal. then all one dimension divided correlation outs and done fft in portrait to leach interferential signal such as static or low rate mussy meaves, many pathway echo and so on and to take target ' s time difference and doppler frequency that combine parameters that target ' s direction taken from antenna and so on to implement target ' s orientation and tracking
具體研究方法如下： 1 、採用以輸出信噪比最大為準則的最佳匹配濾波器來對分段的參考和目標信號作相關處理來檢測低信噪比目標信號，然後對一維分段相關輸出組作縱向傅立葉變換來濾除靜態或低速的雜波、多徑回波等干擾信號，並提取目標的時差和多普勒頻率，再結合由天線獲得的目標方向等參數，就可以實現目標的定位和跟蹤。Auv ' s position control and velocity control are researched and s imulation experiment i s carried out at two situations : in blue and whisht water and in water with current and adding noise
本文設計了auv位置控制器和速度控制器。並對深海靜水和有海流噪聲兩種情況進行了模擬試驗。5 ) the system ' s sensitivity and snr can be improved by the method of balancing the standing capacitance using dc offset compensation
採用直流反饋補償的方法消除電容傳感器極板間的靜態電容，提高了系統的解析度和信噪比。Speech enhancement as the front - end processing module is used to improve the signal - to - noise ratio ( snr ) of the input signal for recognition in the latter stages
為了讓語音識別系統在安靜的環境和有噪聲的環境中都獲得令人滿意的工作性能，研究了一個將語音增強器和語音識別器級連起來的系統。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。The research results are controlled source which has linear or nonlinear variabe frequency scan function and the seismic instruments which match with it, and the method of small group intervals, small offset, much more channels, short array length, high - frequency receivers are applied during the link of data acquisition, and that the techniques of the refraction static correction, the noise suppressing, the high - resolution velocity analysis, the wavelet length compression, the wavelet zero - phase, and the prestack migration should be applied emphasizedly during the link of data processing and interpretation
研究表明，對于城市活斷層的抗干擾高解析度淺層地震勘探，在數據採集環節應採用具有線性或非線性變頻掃描功能的可控震源和與其相匹配的地震儀器，以及小道間距、小偏移距、多接收道、短排列和高頻檢波器接收的工作方法；在數據處理與解釋環節，要重視折射靜校正技術、噪聲壓制技術、高精度速度分析技術、子波壓縮技術、子波零相位化技術和疊前偏移技術等的應用。Therefore, aiming at the existent static and dynamic error of fcs sensor, the sensor characteristic compensation subunit is designed in the environment of labview using vi technique. the sensor signal disposal platform is also developed to realize the time domain measurement, frequency domain analysis, long - distance transfer and network release, etc. firstly, the static characteristic and nonlinear error of the sensor are analyzed
為此，本文針對飛控系統傳感器存在的靜態和動態誤差，利用虛擬儀器技術在labview環境下設計了傳感器性能補償環節，開發了傳感器信號處理平臺，對信號進行時域測量、頻譜分析、小波消噪、遠程傳輸和網路發布等。So, both 1 / f noise power spectrum measurement and similarity coefficient extracted from its time series can offer economical, effective and indestructible tool to detect the latent damage induced by esd and hci for mosfets
因此，無論是1 / f噪聲功率譜的測試還是由其時間序列提取得到的相似系數均可以作為經濟、有效、完全非破壞性的工具，替代傳統的電特性用於檢測靜電引起的mos器件潛在損傷以及熱載流子注入損傷。Complete h bridge driving circuit is achieved to drive motors in the hardware design of robot ' s driving and control system. it adopts pwm digital signal as its control signal. this kind of circuit has some advantages, such as economical, room saving, good resistance against noise
在機器人驅動控制系統的硬體設計部分，實現了pwm全數字控制的全h橋式多電機驅動電路，它不但具有經濟、節約空間、抗噪能力強的優點，而且有效地消除了電機靜態摩擦死區，低速平穩性好。Aiming at latent damage induced by esd, 1 / f noise spectrum and a new method similarity coefficient based on the matched maxima of wavelet transform modulus are offered at the same time
針對靜電在mos器件中引入的潛在損傷，在使用1 / f噪聲功率譜監測的同時並提出了一種新的由1 / f信號提取得到的基於子波變換極大模的相似系數表徵法。With the development of reducing noise technology and the advent of quieter targets, sonar faces up to the challenge of low signal - to - noise ratio detection while high detection performance is demanded by weapons ' s increasing range. moving target detection is two of first and last of sonar " four main tasks : detection, loacalization, classification and tracking / motion analysis of targets, which is the base of other two functions
隨著降噪技術的發展，安靜型目標的出現，聲納技術面臨低信噪比的挑戰，武器射程的增加又對聲納提出了更高的要求，關繫到聲納的四大功能（檢測、定位、識別和跟蹤/目標運動分析）第一和第四個的運動目標檢測任務重大，因為它對其餘兩個起著基礎性的指導作用。Equipped with high speed and high power electric spindle powered by static frequency convertor, featuring low energy consumption and low noise
採用高速大功率電動砂輪軸，由靜止變頻器供電，能耗低，噪聲小。The silencer greatly reduces noise level emitted from engine inside the cabin, creating a quiet and tranquil environment
特強的音量滅聲器大大減低由機器發出的噪音，締造寧靜的環境。In the paper, the esd stressing tests for n - channel mosfets are performed, and main electrical parameters, 1 / f noise spectrum and its time series are monitored during the test. it is found that the 1 / f noise changes much more sensitive to the esd latent damage than the electrical parameters, at the same time, similarity coefficient also changes more quickly especially for smaller w / l devices
通過對mos器件的靜電應力試驗，同時監測試驗過程中器件的電參數、 1 / f噪聲功率譜密度以及由1 / f噪聲的時間序列提取的相似系數變化，發現1 / f噪聲對于靜電應力引起的損傷要比電參數的變化敏感得多。Air cleaner semi - dry, oil bath, dual, double silent and cyclone type fuel tank capacity : 3. 6l
空氣過濾器:半干，油溶雙式雙靜噪旋風濾Coupled with the curved heat exchanger, the york cooling king is also designed to operate at the lowest noise level - 29dba at low speed fan
結合彎曲的熱氣轉換器， york cooling king的噪音也是最低的只有29dba 。它具備安靜操作和寬敞空氣擴散系統的低噪音風扇葉片。Measurement of airborne noise emitted by machines ; enveloping surface method ; still picture and motion - picture projectors
機器排放的空氣傳播噪聲的測量.第60部分:包洛面法.靜Conventional dc electric propulsion system always takes up dominant station in submarine propulsion. due to dc motor inherent limitation that machine commutation and brush results in stand - alone capability ' s limit low reliability, big noises, people manage to explore more quiet, high efficient and reliability, big stand - alone capability propulsion motor
傳統的直流電力推進系統一直在潛艇推進中占據主導地位，但由於直流電機本身固有的缺陷即有機械換向器和電刷從而導致單機容量有限和可靠性不高、噪音大，迫使人們探索更加安靜並且高效可靠、單機容量大的推進電機。The railway companies have embarked on noise abatement programmes. they have carried out regular rail and wheel grinding, installed wheel dampers, replaced motor alternators with quieter alternative and erected track - side barriers at locations close to residential areas
各鐵路公司已實施噪音消減計劃，包括定期打磨路軌和車輪加裝車輪減震器換上更寧靜的電動交流發電機，以及在鐵路沿線住宅區加設隔音屏障。Kcrc will adopt robust measures to mitigate the noise impact. these will include stringent contractual requirements for use of the quietest equipment available, confining noisy works to daytime, dividing the site into small work zones, not allowing noisy equipment to work at the same time in adjacent zones and installing decking under which noisy work can be shielded from the public
這些措施包括：于合約內嚴格規定承建商使用最寧靜的機器進行工程；限制高噪音工程只能于日間進行；把工地劃分成多個小區；規定高噪音機器不可於相連的小區同時使用；以及在坑道上蓋上鐵板，以阻隔噪音。分享友人