random noise 中文意思是什麼
random noise
解釋
不規則噪聲-
The method of detection on transient signal by the slice of cyclo - bispectrum in stationary random noise is proposed in this paper, simulation results are presented also
摘要提出一種在平穩隨機噪聲中檢測暫態信號的循環雙譜切片方法，同時給出模擬結果。 -
To sum up, tested and validated by data sets of shenzhou iv unmanned spacecraft and precise orbit ephemeris, the algorithms presented in the thesis can improve orbit accuracy and reduce random noise considerablely. derived conclusions have important value for reference, and lay the firm technological foundation for future applications
總之，經過神舟四號飛船實測數據計算和精密星歷檢驗，表明本文提出的各種定軌方法可以較好的提高定軌精度，減少隨機噪聲，所得出的結論對于實際應用具有重要的參考價值，並為將來的應用奠定了堅實的技術基礎。 -
Based on the principle of the ultrasonic cross - correlation flowmeter, the key factor of the development of cross - correlation flowmeter, namely the design of cross - correlator, is analyzed in the paper. digital signal processing is introduced to design the flowmeter, the cross - correlation operation of random noise signal is dealt with inside the frequency field, and the digital cross - correlator is designed
本文從超聲相關流量計的工作原理出發，分析了超聲相關流量計研製的關鍵因素，即相關器的設計，並將數字信號處理技術引入了超聲相關流量計的設計，在頻域內對流動隨機噪聲信號進行相關處理，構造了數字相關器。 -
The parameters contain impulse noise, memory effect, scan correlated shift, coherent noise, random noise, dropped lines, inoperable detectors, saturated detectors, mtf, system resolution
輻射性能參數包括脈沖噪聲、記憶效應、掃描相關偏移、一致噪聲、隨機噪聲、丟失行、不可操作探測器、飽和探測器、調制傳遞函數、系統解析度。 -
According to these accomplishments, several techniques are expounded emphatically in this paper, including 3d refraction statics, coherent noise suppression by prestack wave field separating ( prestack fx noise attenuation ), 3d prestack multiple domain random noise attenuation, multiples attenuation, nmo of unsymmetrical hyperbola, dynamic replacement of wave equation, surface - inconsistent residual static, super bin stacking, poststack depth migration and prestack depth migration. all the techniques have been applied in seismic processing of 2d, 3d and wide - line profiling and obtained good results
本文根據項目組研究成果，重點閘述了三維折射波靜校正技術，疊前波場分離相干噪音壓制方法（疊前fx去噪） ，疊前三維多域隨機噪音衰減技術，多次波衰減技術，非對稱雙曲線動校正技術，波動方程動態替換技術，非地表一致性的剩餘時差靜校正技術，超面元迭加處理技術，疊后深度偏移處理，疊前深度偏移處理等。 -
When the parameters of a tagaki - sugeno ( t - s ) fuzzy system are perturbed with random noise, the system turns to be a stochastic t - s system. essentially, it is a nonlinear stochastic differential system. the second part of the dissertation focuses on the stability analysis and control of the stochastic t - s systems
設控制對象是用tag山一sugeno （ t . s ）模糊模型表示的非畢蜂琴攀{當模型參姆到統計特徵已知的瞰嗓桿擾吟一就成為一個瞬娜咚模糊模型，本質上它是一個非線性隨機微分系統。 -
The results indicates that the cubic logarithm polynomials can accurately reconstruct the raw thermal images in the experiment, and can effectively suppress the interference to defect recognition caused by random noise and uneven heating in the pt testing of composite laminates ; the digital images from data reconstruction have clearer defect display or higher defect resolution than the raw thermal images, and the quadratic coefficient image of cubic logarithm regression shows the highest snr
結果表明利用三次對數多項式回歸即可精確地重建本次實驗的原始熱像，同時能有效地克服復合材料層壓板脈沖熱像檢測中隨機噪聲和加熱不均效應對缺陷識別的干擾；經過數據重建后所作的數字圖像比原始熱像有更高的缺陷顯示度或分辨力，其中以三次對數多項式回歸公式中的二次項系數所作的數字圖像的信噪比最大。 -
With the conditions of constant false - alarm probability and low signal - to - noise ratio, the signal - to - noise ratio can be improved by reducing the effects of background interference and random noise
在恆虛警概率條件下，該演算法可以在低信噪比的情況下，減小背景干擾和隨機噪聲的影響，提高信噪比。 -
The traditional detection algorithm, based on zero - crossing or energy, will not acquire ideal effect when the signal - to - noise is low or the signal is weaker. therefore, to resolve the real problem in the real environment that all kinds of random noise and speech signal exit together, some new algorithm must be put forward. account for the complexity of real noise, we integrate the wavelet transform and high - order statistics and advance a new algorithm ; the algorithm can effectively separate the speech signal and the non - gauss noise
基於過零率和能量的傳統檢測演算法，在噪聲環境比較復雜的情況下效果很不穩定，尤其是信噪比較低或者語音信號較弱時，檢測效果很不理想，因此，在多種語言和噪聲隨機出現、噪聲和語音強弱不一的實際噪聲環境下，必須利用新的演算法提取有用信號和噪聲信號的有效特徵，才能解決實際的問題。 -
In this dissertation, the radiometric calibration of camera was performed, and researched the influence of non - uniformity of sensors response to calibration, calibration precision was improved by reducing the influence of random noise to calibration by processing the data of calibration by using wiener filtration. the radiometric calibration coefficients are determined by measuring the output data of camera and the temperature of blackbody
本文對紅外相機進行輻射定標，研究了探測器響應的非均勻性對定標的影響，並通過採用wiener濾波技術對所採集的數據進行濾波處理，減小隨機噪聲對定標的影響，提高了定標的精度，最後通過測量黑體溫度和相機輸出數據完成紅外相機輻射定標。 -
The experiment results show that the single frequency noise can be reduced 7db ( a ), and the broad - band random noise can be reduced effectively in assigned frequency band
實驗對單頻噪聲取得了7db （ a ）的降噪效果，對寬頻噪聲則能在指定頻帶上取得較好的降噪效果。 -
Based on the difference of maximum modulus evolution between signals and random noises in multi - scale space of wt, the signals from shaking table test are processed for random noise reduction
摘要本文利用小波變換下有效信號有隨機噪聲在多尺度空間中模極大值不同的傳播特性，對地震模擬振動臺試驗測試信號進行去噪處理，取得良好效果。 -
From 100 meters to 2 meters, the restriction of angle of view is considered. during different phase, using different focus of image sensors to keep the image of feature points in the field of view ( fov ). and then analyze the three kinds of random noise affecting ccd imaging quality
在目標器上配置多特徵點的條件下，建立了運動參數的測量模型，並對此模型進行了誤差分析，得到影響測量精度的誤差因素；同時，為保證目標器的特徵點在整個交會對接過程中不溢出視場，提出了在100m 2m的交會對接過程中對ccd視場角的約束條件。 -
Unique data exchange random noise technology can effectively antagonize the analysis of logic analyzer and attacks of various debug tool and disallow the simulation of data by software emulator programs
採用獨創的資料交換隨機雜訊技術，有效對抗邏輯分析儀及各種調試工具的攻擊，完全禁止軟體模擬程式類比的資料。 -
To improve the stability, the auxiliary random noise power is changed and the simulation result proves its feasibility
用變附加隨機信號能量的方法來改善演算法的穩定性並進行了模擬驗證。 -
Disserted the principle of computer simulation of signal source of random moving multi - target, the methods of simulating two and three dimesion locuses of moving multi - target and simulating the interference of random noise. introduced the file format of the output parameters, the technique of data transformation and the method of software realization
論述了機動多目標計算機模擬信號源的原理，模擬二維及三維機動多目標運動軌跡的方法以及模擬機動多目標在運動時所受到的各種隨機噪聲干擾的方法，給出了輸出參數的文件格式及數據轉換技術，並介紹了軟體的實現方法。 -
Wavelet has good localizing quality at time domain and frequency domain simultaneously and the characteristic of multi - resolution ratio analysis, so it can fulfill all kinds of wave - filtering needs such as low - pass, high - pass, sink wave, random noise denoising. compare with readitional wave - filtering methods, wavelet has incomparable advantage. wavelet has become an effective means of signal analysis and is intituled as math microscope of signal analysis
小波分析由於在時域頻域同時具有良好的局部化性質和多解析度分析的特點，因此不僅能滿足各種去噪要求如低通、高通、陷波、隨機噪音的去除等，而且與傳統的去噪方法相比較，有著無可比擬的優點，成為信號分析的一個強有力的工具，被譽為分析信號的數學顯微鏡。 -
( 3 ) the effects of the random noise on the measured results, which are based on brightness temperature approach method and continuous measurement method, are evaluated. the experiment results demonstrate that the effect on brightness temperature approach method is uncertain and continuous measurement method can bear certain random noise
在某一溫度點下的各通道理論測量值加入一定的隨機噪聲，試驗結果表明:亮溫逼近法受隨機噪聲的影響是不確定的，而連續測量法可以承受一定的隨機噪聲影響。 -
Pseudo - random noise code
偽隨機噪聲碼 -
Prn - pseudo random noise
偽隨機噪聲
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