波干擾誤差 的英文怎麼說
中文拼音 [bōgānrǎowùchā]
波干擾誤差
英文
wave interference error- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 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...
- 誤 : Ⅰ名詞(錯誤) mistake; error Ⅱ動詞1 (弄錯) mistake; misunderstand 2 (耽誤) miss 3 (使受損害...
- 差 : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
- 誤差 : error
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For example, carrier frequency offsets, which are caused by the inherent instabilities of the transmitter and receiver carrier frequency oscillators, can lead to severe system degradation due to inter - carrier interference ( ici ). symbol timing synchronization must also be achieved in order to avoid inter - symbol interference ( isi )
其載波頻率誤差會引入子通道之間的干擾( ici ) ,而幀同步的誤差會引入符號間干擾( isi ) ,同時還會對通道估計帶來嚴重的影響。The minimun stable speed is given when the disturbances of the friction and the wave are considered. consequently, the compensation methods are worked out
給出摩擦作用下的系統最低穩定速度限以及電機波動力矩作用下的系統速度誤差,由此定性得到了抑制摩擦和電機力矩波動干擾的措施。The result shows that the ability of anti - interference from strong - narrow band can be improved by using albefaction filter, the interference resisting property of the dual tap filter is much better than that of predicted error filter
模擬結果表明,加白化濾波器確實能提高系統的抗強窄帶干擾的能力,同時也表明雙向抽頭濾波器的抗干擾性能比預測誤差橫向濾波器的性能要好。In the course of design, we fully consider the actual conditions on the railway and take a series of corresponding measures to the concrete problem. such as we select high - accuracy microconvertor and have the converted function in succession data collecting system chip aduc812, design v / f circuit and external a / d circuit. in anti - interference of the hardware, we try to disperse each function module to avoid interfering each other, adopt photoelectric isolated technology to dispel the circuit connection of input and output. in controlling we import arithmetic mean into strain wave algorithm and real computing technology of virtual value for sample treatment of data, that is using the software to smooth away interfere error and to calculate actual value, thus it makes the precision of the data improve greatly
在設計過程中,根據系統要求,充分考慮鐵路上的實際情況,針對具體問題採取了一系列的相應措施,如在器件選擇方面選用高精度microconvertor系列、具有adcdma連續轉換功能的數據採集微控制器晶元aduc812 ,設計了v f變換電路和外部a d轉換電路;在硬體抗干擾方面,將每個功能模塊盡量分散獨立開來以避免相互干擾、採用光電隔離技術消除輸入輸出通道上的電路聯系;在控制方面對于采樣數據的處理引入了算術平均值濾波演算法和真有效值的計算方法,即通過使用軟體來濾除系統中有干擾造成的誤差並計算真值,從而使數據的準確性得到極大地提高。This method, prepared with some single coordinate methods, is effective for both reducing orientation error and wiping out noise, and has better performance for preprocessing of noisy fingerprint images
它包括獲取方向圖、基於方向的濾波、二值化與細化等步驟,有效地減少了計算指紋圖像的方向誤差,去除干擾,得到更清晰準確的處理結果。So it is essential to diminish the errors and enhance its anti - jamming ability. an innovative method of measuring pipeline thickness based on power spectral evaluation computing has been put forward. besides, experiments on the on - line measurement have yielded good results, proving the veracity and reliability of the measurement
介紹了為減小系統的測量誤差、提高系統抗干擾能力而進行的對超聲波回波信號的分析研究工作,創新地提出了一種基於對超聲脈沖多次反射回波功率譜估計的超聲測厚方法,並通過實驗證明了該方法用於在線檢測的準確性與可靠性。The latter primarily improves the transmission distance and reliability by selecting the repeater automatically. the frequency domain auto - adaptatation filter algorithm is deduced and reliabity by selecting the repeater automatically. the frequency domain auto - adaptaion filter algorithm is deduced and a method of frequency domain algorithm to restrain the marrow band interference is given on the foundation of the time domain minimum mean square error auto - adaptation filter. then the meter reading system to can learn the power network structure and automatically create linked path by using neural networks auto - study ability and analyzing the reading data
後者主要是對中繼節點的自動選擇,以提高信息的傳輸距離與可靠性。針對電力線擴頻通信通道的特點,在時域最小均方誤差自適應濾波演算法的基礎上,推導了頻域自適應濾波演算法,並提出了頻域演算法抑制窄帶干擾的具體方法。運用神經網路的自學習方法,通過對抄讀數據進行分析,使抄表系統感知電網拓撲結構,自動建立中繼路徑。Influence on performance of interference localization using satellite multiple - beam antenna with pointing error
衛星多波束天線指向誤差對干擾源定位性能的影響This paper gives a detailed account of the waveform, matched - filter, fuzzy function, resolution in speed, resolution in range and the capacity of anti - interference of the chirp signal. it deals with several methods to produce chirp signal and the advantages and disadvantages of these methods. it describes the working principle and performance of dds, analyses the phase errors initiated by the phase truncation and proposes a new scheme to solve the error
本文詳細介紹了以下幾個方面:線性調頻信號的波形、匹配濾波器、模糊函數、速度分辨力、距離分辨力及抗干擾能力;產生線性調頻信號的幾種方法並簡要分析了各種方法的優缺點; dds的工作原理、性能指標,分析了相位截斷產生的相位誤差,並提出解決這種誤差的新方案;設計了一個產生線性調頻信號的具體電路。In cellular envirorunents, because of the influence of several adverse factors, such as muitipath, non - line - of sight propagation, noise, interference and channel frequency characteristics, radio statistics measuremenis like tdoa, toa and aoa related to mobile position, the performance of location algorithms mny be significantly degraded and the position estimation of ms is inevitably biased
在蜂窩網路環境中,由於受多徑、非視距傳播、噪聲、干擾和通道頻率特性等多種不利因素的綜合影響,使tdoa 、 toa 、 aoa等與移動臺位置有關的電波特徵測量值不可避免地出現較大誤差,從而使各種定位演算法的性能顯著下降,造成移動臺位置估計出現較大偏差。Error analyses and anti - interference measurement of ultrasonic liquid level measuring instrument
超聲波液位測量儀的誤差分析與抗干擾措施分享友人