random signal 中文意思是什麼
random signal
解釋
偶然信號-
On the base of researching the theory of the scheme and analyzing the signal feature, it is obtained that the existence manners and character of distance information in the differential frequency signal. at the same time, a new conclusion is gained that the technology of frequency agility can decrease the constant error of system. it is also to say that frequency agility and frequency modulation fixed - distance fuze has the similar feature to random period frequency modulation fixed - distance fuze. according to the theory of address coding in the hopping - frequency communication, the paper presents the principle of selecting the frequency agility sequence which fit to the radio fuze and constructs the frequency agility sequence family based on the rs codes
在深入研究方案原理和分析信號特徵的基礎上，獲得了該體制引信差頻信號中，距離信息的存在形式和特點，得出了頻率捷變技術的引入降低了系統定距固定誤差這一新的結論，即頻率捷變調頻定距引信在定距性能上具有類似隨機周期調頻定距的特徵。本文引入跳頻通信地址編碼理論，結合無線電引信的具體特徵，提出了適用於無線電引信的頻率捷變序列的選擇原則，並構造了基於rs碼的寬間隔頻率捷變序列族。 -
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。 -
Random pulse position modulation ( rppm ) signal not only has good resolution of distance and velocity, but also has low probability of interception and strong properties of eccm
隨機脈位調制信號不僅具有良好的距離和速度分辨力，而且具有較低的被截獲概率和較高的抗干擾性能。 -
The test model of random phasic signal and its application in the mobile privacy radio system
隨機相位信號檢測模型及其在移動通信保密系統中的應用 -
It showed that activated inhibition by weak noise could be gabaergic inhibition. from above the findings, we could give a hypothesis that the input of random oscillation induced by noise in the cochlea to central auditory system could be integrated in the central auditory nucleus and the response of sound - sensitive neuron to sound stimuli could be adjusted to an optimum state for signal intensity coding
根據這些變化可以推測，這種背景噪聲的生物學作用可能是通過弱噪聲所引起的耳蝸隨機共振的輸入，在上行過程中經各級聽覺核團的整合，將中樞聲敏感神經元調定在一種準備狀態，並定型放電率函數和調制神經元對聲馨碩士學位論文master 』 st砰iesis強的編碼。 -
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。 -
But, the eeg signal that we can acquired is very weak and is badly contaminated by strong background noise, such as electrooculogram ( eog ), electrocardiogram ( ecg ), and line noise ( 50hz or 60 hz power frequency interference ), etc. eeg is a typical non - stationary random signal with a certain extent of non - gaussian and non - linear character
但是我們能夠獲得的腦電信號一般非常微弱、並伴有很強的背景噪聲，是一類典型的非平穩的隨機信號，且存在一定的非高斯性和非線性。傳統的分析處理方法一般將腦電信號近似認為是線性的準平穩的高斯分佈隨機信號，這使得分析結果往往不能令人滿意、實用性差。 -
This waveform library not only contains those typical radar signals like single - carrier frequency signal, encoded signal, lfm etc, but also include many hybrid modulated signals, like fsk / psk signal, fsk / ppm signal, psk / ppm signal, pseudo - random fsk / psk signal, etc. we use visual c + + 6. 0 to implement this software program, this makes it easy in control operation and provides a nice human - machine interactive interface
波形庫中既包含了傳統的雷達波形，如單載頻脈沖信號、 lfm 、編碼信號等，又包括了復合調制波形，如fsk / psk信號、 fsk / ppm信號、 psk / ppm信號、偽隨機fsk / psk信號等。採用vc編程實現，使其具有友好的人機界面和靈活的控制操作。 -
The results showed that it is feasible to use chaotic jamming signals as mask jamming sources. its jamming effectiveness is equivalent to that of random signal and superior to that of m sequence
結果表明，混沌干擾信號可以作為遮蓋性干擾信號的干擾源，其遮蓋效能與隨機信號相當，且優于m序列干擾信號。 -
Because the wind load is a random action, the statistical parameters of structural response under this load can hardly obtained beforehand. however these parameters is necessary to klaman filtering as the preliminary condition. if not ? ot, this signal processing cannot be called the genuine real time optimum estimation
由於風荷載是一種隨機作用，結構在這種荷載的作用下，結構響應的統計參數不可能事先得到，而這種參數卻是kalman濾波的初始條件，也就不能實現真正的實時最佳估計。 -
This dissertation is the expanding of the military project of ‘ 95 ’ advance research, a novel multi - modulation technique designing radar signal waveform is introduced on the links with the project of the national natural science fundation of china ( nsfc ), named " produce and process the multi - modulation signal of the sensor with strong detectability and identifiability ". based on the analysis of the equal - probability - distributing fsk / psk multi - modulation signal, we construct a new pseudo - random fsk / psk multi - modulation signal and we design and simulink on the computer the partly - matched processing signal of this signal. the purpose of the design is to construct a processing signal to combine with the pseudo - random fsk / psk multi - modulation signal, so that we could get a strong response of the target
本論文是『九五』軍事預研項目「低截獲概率雷達波形研究」的擴展與深入，同時結合國家自然科學基金項目「強探測強識別傳感器新型復合調制信號產生及處理」展開。在分析等概率分佈的fsk / psk復合調制信號的基礎上，構造了一種新的偽隨機fsk / psk復合調制信號及其非完全匹配處理的設計及模擬。設計的目的是能對偽隨機fsk / psk復合調制信號進行處理的處理信號，以期獲得對所探測目標信息的強探測。 -
This paper applies ittc single - parameter ocean wave spectrum to simulate a random long - crested ocean wave according to statistics superposition theory and real - time simulate disturbance on the ship by random wave. it simulates roll and pitch of the ship in random wave in the time domain and gains roll angle ( t ) and pitch angle ( t ) signal of ship rolling movement
本文根據統計疊加理論，採用ittc單參數標準海浪譜模擬模擬實際的長峰波隨機海浪，進而實時模擬長峰波隨機海浪對船舶的隨機擾動，對船舶在海浪中的橫搖和縱搖運動進行了時域模擬，得到船舶搖蕩運動的橫搖角信號（ t ）和縱搖角信號（ t ） 。 -
The algorithm that we study is based on dwt and svd. the main merit of the algorithm is the capacity of the watermarking information that is hid into the image is much more than the capacity of the random signal and two - value image
經過實驗模擬，把該演算法能夠經受住噪聲、中值濾波、壓縮、高通濾波、低通濾波等的處理，具有很強的魯棒性。 -
A random signal of known statistical properties of amplitude, distribution, and spectral density
振幅、分佈及譜密度等的已知統計特性的隨機信號。 -
The guidance system involved many areas such as ir physics, random signal processing, image analysis, high speed digital signal processing and so on
制導系統涉及面廣，包括紅外物理學，隨機信號處理、圖像分析以及高速數字信號處理等多門學科。 -
The method is based on the theory of statistic random signal and adopts the serial manner. the acquisition judge is performed by automatic threshold control
該演算法基於統計隨機信號檢測的基本理論，採用串列捕獲的方式，並且利用自適應門限值作為判決門限，完成捕獲。 -
Based on the character of short - time non - stationary random signal, the feature of energy distribution of multi - interval - time in millisecond blast signals was investigated by means of the wavelet packet method
摘要根據爆破振動信號具有短時非平穩的特點，利用小波包分析技術對滿足分析要求的多段微差爆破振動信號的能量分佈特徵進行研究。 -
This paper founded a fault diagnosis method using random signal norm. through extracting a number of feature norm and tolerance, we can carry out reliability test to the specific sample and category the faults
通過大量樣本提取出信號的特徵范數和容差值后，便可對特定樣本進行可靠性檢驗，並對診斷得出的故障進行分類。 -
In this paper the phase space of the time series of nature field is reconstructed by the theory of phase space reconstructing and g - p algorithm, the results show that the phase space of nature filed has the chaotic attractor, although the nature field is similarity with random nature signal, it has intrinsic certainty random signal and is likely to chaotic
利用相空間重建理論與g - p演算法對大地電磁場的時間序列進行相空間重構，表明大地電磁場時間序列相空間的吸引子是存在的，大地電磁場雖然看似隨機的天然信號，事實上它是具有內在確定性的隨機信號。 -
From the point of view of the modulation of rppm, chaotic signal with stochastic characteristics is introduced as its modulation, which has the good performance just like the random signal
從隨機脈位調制脈沖多普勒雷達信號調制角度出發，又引入了具有類隨機性的混沌信號作為其基本調制信號，性能與採用隨機信號相接近。
分享友人