tuning signal 中文意思是什麼
tuning signal
解釋
黨信號-
Xu bohou, li huafeng, duan fabing and li jianlong. the application of parameter - tuning stochastic resonance in signal processing, accepted by the fifth int. conf. on stochastic structural dynamics
李華鋒，鮑榮浩，徐博侯.應用隨機共振進行海洋噪聲背景下的信號檢測.浙江大學學報（工學版） ，收錄 -
Three kinds of common methods ( called as tuning and magnifying method, short circuit method, apparent coercive field strength method ) for fluxgate magnetometer signal detecting and their advantages and disadvantages are described in this paper
本文還介紹了三種常用的磁通門磁力儀信號檢測方法：調諧放大檢測、短路偶合檢測和視矯頑場強度檢測方法，並分析了各種方法的優缺點。 -
The neuron control method with self - tuning gain is proposed for a ph neutralization process. in this control system, the fuzzy t - s model is used to predict the control signal. the neuron controller gain is calculated according to the parameter estimation and experience formulas
針對具有嚴重非線性特性的ph中和過程，提出了一種模糊增益自整定神經元控制方法，這種方法採用t - s模糊推理估計下一時刻的控制量，並通過參數估計和經驗公式來計算出神經元控制器的增益。 -
In order to study the effect of weak noise on the sound signal extraction of mouse ( mus musculus km ) inferior collicular ( ic ) neurons from environment, we examined the change in frequency tuning of neuron induced by a weak noise relative to 5 db below minimum threshold ( remt - 5 db ) of tone. 12 healthy adult mice ( 20 - 25 g, b. wt. )
本實驗旨在探討弱噪聲對小鼠（ musmusculuskm ）中腦下丘（ inferiorcolliculusic ）神經元聲信號提取的影響及其神經機制，我們選用相當于純音閾下5db的白噪聲（ whitenoise ） ，比較加入噪聲前後神經元頻率調諧曲線的變化和注射-氨基丁酸（ - aminobutyricacid ， gaba ）能受體拮抗劑荷包牡丹堿（ bicuculline ， bic ）后對該變化的影響。 -
Parallel structure of poly - phase decomposition and parallel mixer is applied in the ddc circuit, it solves the bottleneck in mixing and increases the handle speed. the partition of the tuning channel according to the digital mixing sequence, and the ddc by means of decimating first, the low - pass filtering and mixing realize efficiently the down - conversion of the variable carrier frequency band - pass signal. according to the structure of the ddc and the requirement of the frequency
短數據快速測頻演算法的具體實現:使用并行流水線的設計方法，提高了系統的數據吞吐率，在100mhz的系統時鐘下，能夠實時處理400mhz ~ 600mhz速率a / d采樣的數據，在64點采樣， 100mhz系統時鐘情況下，初次測頻佔用時間640ns ，以後每次測頻佔用時間縮短到160ns ，實時地提供多相濾波下變頻所需的載頻位置信息，縮短了接收機的調諧時間。 -
Filter poly - phase decomposition method is adopted in this dissertation. the partition of the tuning channel according to the digital mixing sequence, and the digital down - conversion by means of decimating first, the low - pass filtering and mixing realize efficiently the down - conversion of the variable carrier frequency band - pass signal
本文採用濾波器多相分解方法，按數字混頻序列劃分調諧通道，使用先抽取，后低通濾波，再混頻的數字下變頻結構，高效實現了變載頻帶通信號數字下變頻。 -
Stochastic resonance has attracted the attentions in many fields of science in recent decades, but it is a new method and theory in signal processing. in context of signal processing, for signal transmission by nonlinear systems, stochastic resonance is commonly described as an increase hi the signal - to - noise ratio ( snr ) at the output, which is obtained through an increase of noise level or tuning system parameters
從信號處理的角度來講，隨機共振是在非線性系統信號處理中，輸入為強噪聲背景下的微弱信號，系統輸出以適宜的物理量來衡量，如信噪比，通過調節輸入噪聲強度或系統參數，都可使得系統輸出信噪比達到一個最大值，此時，稱信號、噪聲和非線性系統所產生的協同現象為隨機共振。 -
In addition, the paper also designed the driving circuit for communication, the signal tuning and a / d convertion circuit for signal collection, and d / a convertion and the v / i transform circuit for output
此外，本文還設計了用於通訊介面的隔離驅動電路、用於數據採集的信號調理電路和a / d轉換電路以及用於控制量輸出的d / a轉換電路和v / i變換電路等硬體電路。 -
On the other hand, inhibitory areas of ftc could be abolished partially or completely during bicuculline application. these results showed that gabaergic inhibitory afferent projections to recorded neurons were activated by random resonance caused by weak noise in cochlea, which provided inhibitory input for sharpening frequency tuning and made neuron more precisely analyze sound signal near its bf. therefore, this experiment presented a possible evidence of cellular level for interpreting why human and animal could extract or capture sound signal of specific frequency from the environment with competing noise
說明山弱噪聲引起的耳蝸隨機共振在_ _仁行傳入過程中可能激活了至所一記錄的jc神經元的gaba能抑制性神經迴路，這種gaba能抑制為銳化神經元頻率調諧提供了一種抑制性輸入，使ic神經元對靠近最佳頻率的頻率分析變得更為細致和精確，由於聲頻率是聲信號的重要參數和信息載體，頻率調諧的銳化意味著對聲頻率分析能力增強，從而為解釋人們為什麼能從充滿噪聲的環境中捕捉或提取與行為學相關的信號提供了一種細胞水平的實驗證據。 -
Parameter - tuning stochastic resonance ( psr ) is a more realistic way to handle the phenomenon of sr in a broad sense. based on the theory of psr, some key problems of using sr in signal processing are studied, these issues include : the application of intrawell sr in multi - frequency analog signal processing, recovery of the waveform distortion caused by the bistable system and other post treatments, measure of system performance with multi - frequency analog digital input and measurement of system performance of binary digital input. the results are used in signal detecting under the background of the real sea noise
隨著參數調節隨機共振（ psr ）概念的提出，隨機共振在信號處理中的應用有著很大拓展的空間，本文就主要研究幾個目前隨機共振在信號處理中應用時經常碰到的問題，其中包括阱內隨機共振現象對多頻模擬信號處理的應用、雙穩態系統輸出的波形畸變的消除及其他后處理、適用於多頻信號的輸出性能衡量指標、二進制數字信號輸入情況下的系統輸出的性能衡量，並將所得的結果應用到了一個自然界的噪聲? ?海洋噪聲背景下的信號檢測中，這些研究對于隨機共振理論的進一步發展及其在非線性信號處理中的應用具有重要的意義。 -
Chapter four first researches the structure design of computer control samrt cushioning system and the signal processing. then mainly studies the design of pid / pdf control algorithm and their parameters tuning. finally analyzes the basic characteristics of electropneumtic proportional / servo trace controlled system, especial study the influence of the valve dead zone, system friction and saturation phenomenon
第四章首先研究了計算機控制智能緩沖系統的結構設計、信號處理；然後重點研究了pid 、 pdf控制演算法的設計及其參數整定；最後研究分析了控制系統的基本特性，著重分析了閥口死區、系統摩擦力和氣路飽和特性等對系統控制性能的影響。 -
A switch ic for analog signal processing is designed and implemented, which can fulfill the functions of sampling, weighting, controlling and summing of high frequency analog signals. the circuit consists of three parts : four channel analog switches, a voltage reference and the control circuitry. each analog switch is comprised of two high - transconductance n - mosfets with high w / l ratio, which realize the fine tuning and coarse tuning of the input signal respectively
本文研究並設計了一種可對高頻信號進行取樣、加權、控制、疊加的模擬信號處理丌關集成電路，它包括模擬開關、電壓基準源和移位寄存器三個功能模塊，通過兩個高寬長比的高跨導nmos晶體管實現權值的粗調和微調。 -
From these results, it is tempting to speculate that the response of ic neurons to sound signal could be inhibited or facilitated by the weak noise. our data revealed for the first time that the weak noise could sharpen frequency tuning and increase the sensitivity of mouse ic neurons to high frequency of sound signal
木實驗結果首次顯示弱噪聲可銳化小鼠大部分ic神經元的ftc ，使神經元對聲信號分析增強，高頻調諧敏感性增加:而bic去gaba能抑制后，能全部或部分的解除弱噪聲對神經元ftc的抑制。
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