類噪聲干擾 的英文怎麼說

中文拼音 [lèizàoshēnggānrǎo]
類噪聲干擾 英文
noise like interference
  • 類 : Ⅰ名1 （許多相似或相同的事物的綜合; 種類） class; category; kind; type 2 （姓氏） a surname Ⅱ動詞...
  • 噪 : 動詞1. （蟲或鳥叫） chirp 2. （大聲叫嚷） make noise; make an uproar; clamour
  • 干 : 干Ⅰ名詞1 （事物的主體或 重要部分） trunk; main part 2 （幹部的簡稱） short for cadre Ⅱ動詞1 （做...
  • 擾 : Ⅰ動詞1 （擾亂; 攪擾） harass; trouble 2 （客套話 因受人款待而表示客氣） trespass on sb s hospital...
  1. With the development of industry, communication and transportation business, the kind of the noise is getting more and more, stronger and stronger, nearly no urbanite is free from the harm by the noise

    摘要隨著工業、交通運輸業的發展，噪聲的種類越來越多，也越來越強，幾乎沒有一個城市居民不受噪聲的干擾或危害。
  2. That is the reason that all over the countries have never stopped researching for mask jamming technology of radar. at present, the mask jamming source mainly comes from the thermal noise and zener avalanche noise of semiconductor devices. but the noise ’ s quality isn ’ t stabile because of the differences of semiconductor devices each other and the changes of exterior conditions

    目前採用的遮蓋性干擾的噪聲源主要來自半導體器件本身的熱噪聲或齊納雪崩噪聲，但各器件本身的不一致性和外界條件變化等因素使噪聲輸出質量不穩定;同時由於此類信號不能再生，不利於科學研究。
  3. Then analyze typical noises of the network based on bispectrum, get the wave characteristics according to bi - coherence function, and carry on the clustering analysis based on self - organizing feature mapping, so it realizes the clustering identification of the typical noises of medium - voltage power line

    而後對電網的典型噪聲進行雙譜分析，並通過雙相干函數提取其波形特徵，利用自組織特徵映射神經網路進行類聚分析，從而對特定中壓配電網的各種電網噪聲干擾進行分類識別。
  4. The detection performance of receiver to noise jamming signal was improved remarkably by accumulation detection

    通過積累檢測顯著地改善了接收機對噪聲干擾類信號的檢測性能。
  5. But eeg signals recorded in the ward exposed to various noises and interference is less effective in the eeg analysis

    但是病床邊採集的腦電信號易受各類噪聲和干擾的影響，往往影響後面的分析效果。
  6. We modulate the amplitude of the continuous single tune jamming by noise and produce the continuous noise - modulated jamming. this kind of jamming is effective to pc radar including linear frequency - modulated radar and bi - phase coded radar

    在對單頻正弦波進行噪聲調幅后形成的噪聲調幅干擾對線性調頻雷達和二相編碼雷達都是有效干擾，其干擾特性和射頻噪聲干擾類似。
  7. Human ocular apperceive is truly a robust character recognition system which can adapt to all kinds of noise

    人類視覺感知毫無疑問是一個魯棒性很強的、能抵禦實際中可能遇到的各種變形和各種干擾噪聲的文字識別系統。
  8. Some valuable conclusions are summarized by theoretical analysis and simulation experiments : from the side of signal processing, pulse jamming can be deleted by the method of time - domain sliding window accumulation and can be restored by interpolative prediction. ; gauss white nose can be attenuated while jamming disperse point - target by the method of time - frequency analysis in time - frequency domain. ; radio frequency noise jamming can be deleted by the method of average range frequency spectrum and notching in frequency domain

    通過大量的理論分析和模擬實驗，得到了一批具有一定價值的結論：從信號處理的角度出發，對于脈沖式干擾，能夠運用時域滑動窗口積累的方法去掉，並且通過預測插值得到較好的恢復；對于高斯白噪聲干擾，在時頻變換域內應用時頻分析方法可減小其對分散點目標的干擾；對于射頻噪聲，通過平均距離頻頻法和頻域陷波的方法可以去掉；從改變合成孔徑雷達系統角度出發，類似雙基地雷達能夠避免各種干擾，對發射信號進行調幅，調相以及改變調頻斜率都是較好的抗干擾方法。
  9. The autocorrelation function of the pn code is similar to that of the white noise, which has the randomicity. the pn code phase modulation fuze just works on the basis of this characteristic. the fuse, having excellent cut - off performance of the distance and strong anti - jamming capability, is one of the radio fuze of the predominant performance

    偽碼引信是利用偽隨機序列的自相關函數類似於白噪聲相關函數的隨機特性而工作的，這種引信距離截止特性好，抗干擾能力強，是一種性能優越的無線電引信。
  10. ( 2 ) the strong tracking extended kalman filter is extended to a class of nonlinear time - varying stochastic systems with additive combined colored noise

    （ 2 ）將強跟蹤擴展卡爾曼濾波器演算法推廣到一類加性復合有色噪聲干擾下的非線性時變隨機系統。
  11. A kind way of current sharing composed of the droop method and the master - slaver method based on thermal stress and the random of the master is given, in this system an extra controller is attached ; all the software and hardware on can fieldbus communication part have accomplished, which guaranteed the communication of the charger high reliability and high real - time. the source and types of the noise from switching power are analyzed and some methods are introduced to restrain noise and strengthen the system performance of interference rejection

    提出了一種外加控制器基於熱應力均流的主從可轉換均流方法；對系統中can總線通信部分的軟硬體進行了設計，保證了系統通信的實時性和可靠性；對開關電源噪聲來源與種類進行了分析，介紹了一些抑制噪聲和增強系統抗干擾性能的措施。
  12. There have many kinds of noises in site, thereinto white noise and periodic narrowband noise are tow important noises

    現場存在著各種各樣的噪聲，其中，白噪聲和周期性窄帶干擾是兩類重要的干擾。
  13. Based on the criterion of maximizing the total average signal to interference plus noise ratio ( sinr ), the optimal subchannel allocation strategy is obtained in theory when random signature sequences are used. for its implementation, an iterative algorithm is proposed, which is similar to the water filling principle. by using the proposed algorithm, we obtain significant improvement on the performance of the system, and the transmission quality can be guaranteed

    根據最大信號干擾加噪聲比原理，分析得出了隨機特徵碼條件下最優的子通道分配策略，並提出了一種類似於灌水原理的子通道分配演算法，該演算法能在保證各個用戶傳輸質量的前提下，使系統的整體性能接近最優。
  14. Besides, many classification errors are caused by mixed pixels and speckle noise of the sar image

    另外，許多分類錯誤是由sar圖像的像素點類別混淆和相干斑噪聲干擾引起的。
  15. Qr code is a kind of 2d matrix barcode. it has high density, great capacity that will influent coding of 2d - barcode. a rs code is cyclic symbol error - correcting code, which can correct lost or missing data for damaged symbols

    Qrcode是一種矩陣二維碼，具有信息密度大、容量高的優點，因此，譯碼時受噪聲的干擾大，採用糾錯能力比較強的非二進制bch碼中的一類? rs碼進行編碼，可以有效地抗除干擾進行糾錯。
  16. Then on one hand, author makes researches of anti - jamming against pulse jamming 、 gauss white noise jamming and radio frequency noise jamming from the side of signal processing. author exercises much signal processing knowledge of time - domain sliding window accumulation 、 wavelet analysis 、 time - frequency analysis and linear prediction and carries out many simulation experiments. on the other hand, author proposes the anti - jamming methods of using a sar similar to double - base radar and modulating the amplitude 、 the phase of emission signal and changing the frequency modulation slope from the side of changing sar system model

    作者首先提出了合成孔徑雷達抗干擾的定義、分類以及評價抗干擾方法好壞的主客觀標準；然後，一方面從信號處理的角度出發對脈沖式干擾、高斯白噪聲干擾以及射頻噪聲干擾進行了抗干擾研究，其中運用了時域滑動窗口積累，小波分析，時頻分析以及線性預測等信號處理知識，做了大量的模擬實驗；另一方面，本文基於改變合成孔徑雷達系統模式提出了利用類似雙基地雷達來抗干擾，以及對發射信號進行調幅、調相以及改變調頻斜率來抗干擾，同樣做了相應的模擬實驗。
  17. First, author studies oppressive jamming technology of sar based on its system gain, analyses its fundamental theory and jamming mechanism, programs an integral simulation software which produces noise data of several kinds, at the same time carries out many simulation experiments under different noise - to - signal ratio of each noise type, then makes in - depth analysis and comparison on those images resulting from simulation experiments and summarizes some conclusions of theoretical and practical value

    作者首先在分析合成孔徑雷達系統增益的基礎上研究了壓制性干擾技術，分析其基本原理及干擾機制，編制了一個完整的干擾模擬軟體，產生多種類型的噪聲數據，針對每種噪聲類型又調整其噪信比進行了大量的模擬實驗，然後對實驗的結果圖像進行了深入的分析、比較，總結出了具有一定理論和實用價值的結論。
  18. Mathematics model of feature combination classification was regarded as fitness function in order to develop pattern recognition robustness to noise, optimal selection of original flaw feature was realized with feature selection strategy based on genetic algorithm

    為提高缺陷模式識別對各種噪聲及干擾的魯棒性，提出以特徵組合分類能力數學模型為適合度函數，設計基於遺傳演算法的特徵選擇策略，實現了對缺陷原始特徵量的優化選擇。
  19. At first, we build models of echo signal and several typical noise interferences and then analyze effects on uwb sar by interferences with different power, bandwidth and type. so a good beginning for later work is made

    本文首先建立了回波信號和幾種典型噪聲干擾的模型，分析了不同功率、帶寬和類型的噪聲干擾對uwbsar的干擾效果，為后續工作奠定了良好的基礎。
  20. In sound recording, interference, such as ambient noise and reverberation, degrade the quality

    錄音時，環境噪聲和回響之類的干擾使錄音質量劣化。
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