set noise 中文意思是什麼

set noise 解釋
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  • set : SET =safe electronic transaction 安全電子交易〈指用信用卡通過因特網支付款項的商業交易〉。n 【埃...
  • noise : n 1 聲音,聲響。2 叫喊;嘈雜聲,噪音;喧鬧聲;吵鬧,騷動,騷擾。3 〈古語〉謠言,風聲。4 〈美國〉...
  1. The 14 - year - old boys, dressed as demons, had knocked on the man ' s door during an evening of " trick or treat " near the northern town of turin and set off a firecracker. when the door opened, instead of a treat, the man fired four shots at the boys having been scared by the noise and their strange outfits, the news agency ansa said

    據路透社11月2日報道,該事件發生在義大利北方名城都靈附近,在這個充滿了「惡作劇與盛情款待」的夜晚,這兩名年紀均為14歲且都把自己打扮得像個魔鬼的男孩來到了那名老人的家門口。
  2. Like the noise of chariots on the tops of mountains shall they leap, like the noise of a flame of fire that devoureth the stubble, as a strong people set in battle array

    5在山頂蹦跳的響聲,如車輛的響聲,又如火焰燒碎秸的響聲,好像強盛的民擺陣豫備打仗。
  3. Low noise amplifier ( lna ) is widely used in front end of a received set of mobile communication 、 wireless radio 、 blueteech technology and so on 。 the active device is the core of the circuit and has significant effects on the whole equipment, therefore, the design of the active device is vital in lna

    微波低噪聲放大器( lna )廣泛應用於移動通訊、無線電、藍牙技術等的rf前端。 lna中的有源器件是整個電路的核心,對整個放大器電路的性能有著重要的影響,因此有源器件的設計是lna的關鍵技術之一。
  4. We illustrate the wavelet package analysis that can obtain the time - frequency distribution figure of noise signal, which can be used to define gray - image. through image - average, we can get the standard time - frequency distribution images of different main bearing gap. based on that, a main bearing wear fault diagnosis model using image matching is set up

    然後對圖像進行平均,得到主軸承在不同間隙狀態下的「標準」時頻分布圖,建立了柴油機主軸承間隙圖像匹配的故障診斷模型,匹配時所用的參數為兩幅圖像之間的歐氏距離。
  5. Latest research on noise control technology of low noise diesel engine set

    低噪聲柴油機裝置降噪新技術研究
  6. According to characteristics of the seismic data from the low snr region with complex surface, this paper is started from solving the static correction problem and reasonable eliminating all kinds of disturbance in the seismic data from the low snr region with complex surface. through the whole process of seismic data processing which includes a series of processing methods that are suitable for the low snr region, namely, from the choosing of the floating base - level, the static correction in the field and indoors, the eliminating of all kinds of noise before and after stacking, the velocity analysis with high - resolution, the reasonable techniques of deconvolution before stacking and wavelet processing after stacking, to the method choosing of the high - resolution stacking and the reasonable and accurate offset imaging, a set of the complete and effective flow for processing seismic data from the low snr region with complex surface are finally formed, which can meet the need of explo

    本文針對復雜地表低信噪比地區地震資料的特點,以解決復雜地表低信噪比地區地震資料靜校正問題及合理剔除各類干擾為出發點,在整個地震資料處理過程中,從浮動基準面的選取、野外及室內靜校正、疊前疊后各類噪音的去除、高精度速度分析、合理的疊前反褶積及疊后子波處理技術、到選用高精度的疊加技術及合理準確的偏移成像方法等一系列適合於復雜地表低信噪比地區的處理方法,最終形成一套較完整且有效的針對復雜地表低信噪比地區地震資料的處理流程。
  7. Secondly, the paper researches blind estimation of signals parameters, including the carrier frequency, signal to noise ratio and symbol rate of digital modulations. thirdly, with the combination of parameters from early studies on the decision theory, a set of robust feature parameters are extracted from signal power spectrum and the power spectrum of the second and fourth power of signal. based on these parameters, the proposed scheme is able to recognize 12 types of common used modulations, namely ask 、 2fsk 、 msk 、 4fsk 、 psk 、 qpsk 、 / 4qpsk 、 8psk 、 am 、 dsb 、 ssb 、 fm

    接著,對信號功率譜、平方譜及四次方譜進行研究,針對通信中常用的調制方式,結合前人提出的基於決策理論中的特徵參數,設計了一組對信噪比和信號調制參數不敏感的分類特徵參數,利用上述參數完成了一種基於信號頻域的識別方法,可以對ask 、 2fsk 、 msk 、 4fsk 、 psk 、 qpsk 、 / 4qpsk 、 8psk 、 am 、 dsb 、 ssb和fm這12種常用調制方式進行識別。
  8. Hydraulic concrete crusher detail : all round, extremely efficient concrete crusher system for concrete demolition in general, and reinforcement exposure in particular. the system works immissionfree, i. e. : it does not produce any noise, dust or cibrations and operates without water. description : pliers qty 1, hydraulic power pack qty 1, 10m long oil pipe set of hoses, high pression qty 2, accessories bag qty 1

    啟動電機帶動油泵運轉,液壓油直接返回油箱手動轉動換向閥三位四通閥一個位置后,液壓油進入系統推動活塞,活塞桿伸出,帶動鉗體收縮,從而破碎鋼筋混凝土結構,反向轉動換向閥,鉗體松開,完成一個工作循環。
  9. The series genrating set combination of single and three phase brushless generator 、 control panel 、 common base produced by liuzhou jiali electric manufacturing co. ltd and engine produced by nanning machine factory ( abbreviation : nanji ) 、 changzhou engine co. ltd ( abbreviation : changfa ), which appears small size 、 light in weight 、 easy to start 、 low in fuel consumption and noise production with stale voltage and frequency output. it is an ideal power supply for banks 、 post office 、 public places of entertainment 、 households and pasturelands, so on

    本系列機組由柳州佳力電力電工有限責任公司生產的單相無刷發電機、控制箱及公共底座與南寧機械廠(簡稱南機) 、常發集團(簡稱常發)等柴油機廠生產的柴油機組成,具有穩定的電壓和頻率輸出及體積小、重量輕、啟動方便、油耗低、噪音低等特點,充分地體現了高性能、高質量發電機所應具備的要素,是銀行、郵局、娛樂場所、家庭及牧場等的理想電源。
  10. 2 ) set threshold in stationary wavelet domain to separate edge and noise, estimated wavelet coefficients in texture area to reconstruct the interferogram

    3 )在靜態小波域設置濾波閾值以區分邊緣和噪聲,根據map準則來確定信號的小波系數,然後重建干涉相位圖。
  11. The noise contzal for cabinet of combustion generating set

    管路噪聲的降噪方案
  12. The number of complaints related to the types of noise controlled by the noise control ordinance received and handled by epd and hkpf, and the number of successful prosecutions in the past three years are set out in the table below -

    在過去三年,環保署及警務處接獲並處理有關受《噪音管制條例》管制的噪音類別的投訴及成功檢控個案數目表列如下:
  13. Firstjap background and nkr front axle assembly line problems, non - meet demands and unbalance, is introduced, and modapts is suitble and important for the development of assembly line. secondly, theorials on work study, set time standards and process balance is reviewed, and current workshipment, operation motion capability. balance rate is revealed based on the investigation. according to work study theory, typical seven motions analysis is detailed, and operation method standards is designed. according to the human - machine theory, noise, light, tools, facilities factors is analysised, and conditions reducing production rate is advanced

    本論文採用理論與實踐相結合的方法,運用工業工程、人機工程學有關工作研究、方法研究、勞動定額、模特排時法等理論和方法,在分析大量文獻資料的基礎上,參考國內外在工業工程方面的最新研究和應用成果,對江鈴車橋廠nkr型汽車前橋裝配線的組織設計進行了系統的重組和優化設計研究。
  14. 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。
  15. In this paper the train running noise level has been predicted with the theory of point sound source. the sound exposure level of a train set pass, equivalent continuous sound level and maximum sound level of a train set pass has been taken as estimate values, and some kinds of affixation attenuation on the course of noise propagation is considered, then the corresponding visual software has been developed. these make it convenient and precise to predict the noise level

    本文從點聲源的理論出發,對列車運行噪聲進行預測計算,採用一列車通過時的單發暴露聲級、時間特性的最大聲壓級和一定時間內的等效聲級等作為噪聲評價量,並考慮了噪聲傳播過程中的各種附加衰減,編制了相應的可視化軟體,使噪聲預測計算方便、準確。
  16. In order to measure the characteristics of such semiconductor optical amplifier, we adopted a set of measurement system. this measurement system can be used to measure the characteristics of all kinds of active or inactive optical passive components. such device presents good polarization insensitivity ( < 0. 9db ), wide 3db bandwidth ( > 33nm ) at 0 - 200ma and different input signal light wavelength and power, the maximum fiber - to - fiber gain of 10db, lossless operation current of 50 - 75ma for different input signal light wavelength and power, large extinction ratio ( > 50db ) and lower noise figure ( nf ) ( < 8db )

    與張瑞英博士一起,首次利用該種有源區結構制備出偏振不靈敏半導體光放大器,並在0 - 200ma注入電流范圍內獲得33nm的3db帶寬,在不同信號波長,不同信號功率0 - 200ma的注入電流范圍內,偏振相關損耗均《 0 . 9db ,在耦合差損為7db / facet的條件下,最大fiber - to - fiher增益達10db ,無損操作電流為50 - 70ma ,消光比達50db以上,而噪聲指數則低於8db ,最小可達4 . 6db 。
  17. While putting rough set theory into practice, this thesis pays attention to setting - up the proper data structure. in order to improve the data utilization ratio and promote rule quality, this thesis puts forward the method of " divide equally and examine each other this thesis bring forward the method of dynamic reduce to overcome data noise and confirm the best reduction finally with the help of rosetta tool software we apply the above concept and method to reality, and succeeded in obtaining the optimum rule for the expert system of production scheduling in daye iron ore mine, wuhan iron and steel company

    由於標準粗糙集模型對數據噪音高度敏感以及工程應用中數據噪音引入的不可避免性,標準粗糙集模型在實際應用中存在一系列問題,為克服數據噪音以及規則泛化的需要,本文採用變精度模型,由此模型引入近似約簡方法。本文在將粗糙集理論及變精度粗糙集模型應用於實際的同時,注重研究了適當數據結構的建立。為提高數據利用率,提升規則生成的質量,提出了平分互測規則集泛化能力考核方法。
  18. In the train compartments, ambient temperatures and humidity will be set at appropriate levels, and a quiet environment will be created by the attenuation of noise generated by train operation

    車廂內的溫度及濕度將調校至適當的水平。列車行駛時發出的噪音也將透過紓緩措施而得以消減,從而創造出寧靜的環境。
  19. Tip # 6 : burglars also hate noise ? so equip windows with alarms that emit a piercing sound when they ' re set off

    闖入者討厭噪聲- -給窗戶安上能當觸發時會發出一種刺耳的聲音的警報器。
  20. Tree pruning can descend the existent noise of training set

    剪枝的目的是降低由於訓練集存在噪聲而產生的起伏。
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