辨別信號 的英文怎麼說
中文拼音 [bānbiéxìnháo]
辨別信號
英文
distinguishing signal-
" it can be hypothesized, " they write, " that, een in the absence of a recognized orthostatic hypotension, our findings may help patients and physicians to promptly identify symptoms and early signs of orthostatic intolerance and start treatment with pressor drugs, salt, and water
文章中寫到， 「假如假設成立，可推想即使患者無直立性低血壓，上述檢查結果可幫助病人和醫生迅速辨別早期直立耐受不能的一些癥狀和信號，然後通過一些增壓藥物、食鹽和水治療，減輕直立耐受不能癥狀程度，如減少摔倒次數、增強自信心和生活質量等」 。The automatic identification of the modulation types has been applied to many fields such as source identification, interference identification, radio interception, - electronic countermeasures, etc. the modulation recognizer based on the decision - theoretic approach and the constellation diagram is proposed and the signal ' s kurtosis is used as the indicator to differentiate the analogue modulation from the digital modulation
通信信號調制類型的自動識別廣泛應用於信號確認、干擾辨識、無線電偵聽、電子對抗和信號監測等領域。本文提出基於決策論與星座圖的綜合調制識別器，使用信號的峰度區分調制類型是模擬調制還是數字調制。The president said he probably should have known it wasn't meant for him when he couldn't recognize the brand of perfume that emanated from the stationary.
總統說，他本應該知道這封信不是寫給他的，因為他辨別不出信箋上散發出香味的香水牌號。The potential applications of amr include both civil and military communication, especially non - cooperative communications and communication confrontation, such as identifying signals, supervising signals, distinguishing interference, electronic confrontation, analyzing military threat, etc. on the basis of our analysis to the existing research on feature abstraction, the related feature abstraction methods are optimized in this paper, resulting several effective methods such as the feature abstraction based on transformation domain, stepped voltage level analysis, normalized carrier - free spectral energy analysis, squared signal and fourth powered signal analysis, etc. both the decision theory based on recognition algorithms and the artificial neural network ( ann ) based on recognition algorithms is analyzed, and the former is selected as it is more appropriate for this research
調制類型的自動識別廣泛應用於民用通信與軍用通信，尤其是對于非合作性通信、通信對抗，比如：信號確認、信號監控、干擾辨識、電子對抗、軟體無線電、電子救援、通信對抗、軍事威脅分析等。本論文在分析現有研究的基礎上，借鑒了已有的特徵提取方法，對相關調制類型特徵提取方法進行了優化，使用了一些有效的方法，如基於變換域特徵提取方法、梯層電平分析方法、剔除載波后的歸一化頻域能量分析方法、信號平方后的頻譜分析方法、信號四次方后的頻譜分析方法等。通過對基於決策理論和基於人工神經網路兩種識別演算法進行分析，本論文選擇了較適合的基於決策理論的識別演算法。The wavelet multi - analysis is adopted to further understand the microstructure of solids holdup fluctuation, the vivid fingermark images show that it is a fractal and dissipative structure. the low and frequency signals reflect the dilute phase fluctuation behavior and dense phase ( cluster ) fluctuation behavior, respectively. to deep understand the multi - scales characteristic of gas - solids circulating fluidization, the wp decompose methods for obtaining the eigenvalue of gas - solid fluidized bed has been developed. the results show that eigenvalues of different scales are effective for identification of non - uniform and dynamic structure of gas - solid fluidized bed
小波多分辨分析法得到指紋圖形象地揭示了顆粒濃度脈動的自相似、分叉等具有混沌特徵的微觀結構；小波分解后信號中的低頻和高頻成分分別代表了稀相和密相的脈動行為，小波包分解提取能量特徵值的方法能夠揭示氣固的多尺度特性，不同尺度上的能量特徵值四川大學碩十論文反映了氣固循環流化系統中存在的非均勻動態時空結構。However, as to correlated especially coherent signals and adjacent signals with small signal to noise ratio ( snr ), music algorithm cannot estimate their doa
然而，對于相關信號（特別是相干信號）以及相隔比較近的小信噪比信號， music演算法卻分辨不了它們的doa 。On the other hand, in order to distinguish and identify the targets, and to solve the problems of radar imaging, phased array radar must have also wide instantaneous signal bandwidth
另外，為了提高天線的分辨、識別能力和對多目標成像的能力，相控陣雷達還必須具有大的瞬時信號帶寬。To conquer the problem of acquisition high effectiveness in analog circuit fault imformation, wavelet transform was researched in this paper to preprocess the fault signals. meanwhile, bp neural network diagnosis method based on wavelet transformation was proposed, this method can abstract fault feature effectively and decreases the dimension of imput vector. by this mean, the construct of neural network can be simplified and training time was economized, then the recognize ability of fault type was improved also
為解決模擬電路的故障信息高效獲取難題，本文採用小波變換作為故障信號的預處理器，研究了基於小波變換預處理的bp網路故障診斷方法，該法能在有效提取故障特徵的同時，降低輸入信息的維數，從而進一步簡化了神經網路的結構，減少了其訓練時間，提高了辨識故障類別的能力。The polarimetric sar is a new type imaging radar to measure polarimetric characteristic of radiant signals and combines both advantage of measuring full complex scattering matrix for each resolution cell in a scene and producing two - dimensional high resolution images, which greatly improve its ability to discern surface features. polarimetric sar is thus playing a more and more important role in research on remote sensing and application area
極化合成孔徑雷達（ polarimetricsar ）是用來測量輻射信號極化特徵的新型成像雷達，具有能夠測量場景中每個分辨單元的全極化散射矩陣和產生二維高解析度圖像的兩大優點，大大提高了它對地物的識別能力，因此在遙感技術研究與應用領域中起著越來越重要的作用。In this thesis, the fundamental principle and system constituent of the electronic olfactory system are analyzed and studied ; a set of detection system of gas mixture, combined gas sensor array with artificial neural network pattern recognition technology, is designed and constructed. employing this system, the processing ability and identification results of several preprocessing algorithms and artificial neural network models are compared and analyzed. and finally the following conclusions are arrived : 1 ) gas sensor array coupled with pattern recognition technology has the good ability to identify the gas species and quantify its concentration
本文分析研究了電子嗅覺系統的基本原理和系統組成，設計構建了一套氣體傳感器陣列和人工神經網路模式識別技術相結合的混合氣體檢測系統，並利用這套系統對目前在電子嗅覺系統中使用較廣泛的幾種信號預處理演算法和人工神經網路模型的處理能力和辨識效果進行了分析和比較，最後得出了以下結論： 1 ）氣體傳感器陣列與模式識別技術相結合能夠很好地分析和辨識混合氣體組份及其濃度。The process of target identification is formulated, which involved feature extraction, dimension reduction and classification. for solving the overlap of each subspace of a wavelet library in frequency, there are two approaches that are best basis ( bb ) and local discriminant bases ( ldb ). their measure and searching algorithm were researched
從數學的角度描述了目標識別過程，依據cwt和多分辨分析表示信號的特點，提出了以信號尺度?小波能量譜、時間?小波能量譜、多分辨分解系數和各子帶能量強度為特徵的方法。This is in line with experimental research in rodents where central or peripheral administration of nmda - antagonists has been shown to produce effects that resemble some symptoms of schizophrenia. bilateral injections of competitive and non - competitive antagonists in the medial pfc ( mpfc ) induced hyperactivity
2 .實驗中「 go 」線索呈現時， pfc神經元放電頻率顯著增加，高於「 no90 」線索呈現時神經元放電頻率增加值，提示對視覺警告信號的反應具有識別和分辨作用。For those multi - component signals like speech signal, such interaction is a common situation. secondly, a new common ridge method is discussed ; a common ridge across the complex ridge image is used instead of several interacted single ridges
因此對于語音等含有多個分量的信號，頻率相鄰的分量分別形成幾個帶狀區域，每個區域內脊互相干擾，無法分辨的情況是普遍的。After measuring and analyzing the vibration acceleration of a armored vehicle ' s gearbox, the ar model of single and multiple input - output system are established and the parameters are classified
通過對裝甲車輛齒輪主傳動系統的振動信號測試與分析，分別建立了單輸入單輸出及多輸入多輸出系統的受控ar模型，辨識了系統參數。分享友人