local signal 中文意思是什麼
local signal
解釋
本地信號，本局信號，局部信號-
Subscriber local busy signal slb
用戶本地忙信號 -
Delay line oscillator is composed of broadband amprifer adjustable attenuator and saw sensor device. after output signal of delay line oscillator is smoothed, it mixes with 109mhz local oscillation signal. its differential frequency signal is smoothed by low - pass filter trimmed by shaping circuit and processed by digital processing circuit
延遲線振蕩器由寬帶放大器、可調衰減器和聲表面波質量傳感器件構成。延遲線振蕩器輸出信號經濾波后與109mhz的本機晶體振蕩器輸出信號相混頻，通過低通濾波取其差頻，並經整形後由數字信號處理電路處理。 -
With the established rf front - end system simulation platform, adding the digital modulated baseband signal, this paper simulated the multifold digital modulated signal ’ s transmission, such as 2ask, qpsk, and 16qam. then researches of power compression and phase noise of local oscillation influence the bit error ratio for different modulated system. the designing is satisfied multifold functions request with the high - powered and integrated broadband rf front - end
隨后在建立的寬帶射頻前端通用模擬平臺上，加入基帶數字調制信號，對多種數字調制格式的信號在該通用平臺上的傳輸作了研究，模擬了2ask 、 qpsk和16qam等調制格式信號的發射與接收，研究了功率壓縮和本振相位噪聲對不同調制的誤碼率影響，實現了滿足多種功能要求的寬帶高性能綜合射頻前端的設計。 -
Signal strength is modified by properties of each proton ' s microenvironment, such as its mobility and the local homogeneity of the magnetic field
發射信號的強度由每個氫原子周圍的微環境的性質來調整，如質子的移動性與磁場的局部的均一性。 -
These interactions are primarily dependent upon the coordinated actions of ovarian progesterone and estrogen, moreover, many other factors, such as growth factors, cytokines, ecm, adhension molecules, oligosaccharides and proteases, regarded as local mediators, endometrium and embryo have also expressed some specific receptors, via intracellular signal transduction chains and express some key genes, making receptivity of the uterus and synchronized development of the embryo to the blastocyst stage
成功的植入是處于接受態的子宮內膜和具有侵入性的胚胎間的同步協調反應。植入過程受多種生長因子及其受體、細胞因子、粘附分子、蛋白水解酶、寡糖等的精細調控，通過胞內信號轉導及關鍵基因的表達使子宮內膜發生一系列復雜變化。 -
First, executing insulation and conductivity test for loop cable. then, pulsing simulation signal at place of local transmitter and output switch
首先要對迴路電纜進行絕緣和導通試驗， 2 ）然後在現場變送器、發訊開關處加模擬工藝信號。 -
In the second chapter, wavelet theory, which is the theoretic basis of embedded zero wavelet coding is introduced briefly, including wavelet transform " s local characteristics, multi - resolution analysis, discrete signal ' s fast decomposition and construction, wavelet and filter group
第二章，對小波零樹編碼演算法的理論基礎? ?小波理論作了簡要的介紹，包括小波變換的時頻局部特性、多解析度分析、離散信號的快速分解與重構以及小波與濾波器組的關系。 -
In order to meet the needs of dsss signal reconnaissance, a method of dispreading without the code is brought forward by this paper ， in which the local code is gained from the dsss signal. so we can intercept dsss signal with low snr even if the spreading code is unknown. liu jie ( communication and information system ) directed by prof. gao huisheng
為適應電子戰中對直擴信號偵察的需要，本文提出一種了無碼解擴的方案，採用從直擴信號中獲得本地參考信號的方法，可以在沒有擴頻碼的情況下，截獲低信噪比直擴信號的通信信息。 -
This method can reflect local signal feature and well perform in the experiments. we also present an integrated electromyographic signal ( emg ) pattern recognition scheme. the application of an artificial neural network ( ann ) technique together with a feature extraction technique, for the classification of emg signals is described
利用高階譜技術提取肌電信號的特徵信息，然後利用奇異值或者其它方法對二維特徵矩陣進行優化，將優化之後的一維特徵向量輸入神經網路分類器進行模式識別，這種方法能夠初步識別不同模式的上肢運動。 -
Semg signal complexity and entropy changes during exercise - induced local muscle fatigue
局部肌肉疲勞的表面肌電信號復雜度和熵變化 -
After achieving the synchronization of the pn code and carrier, despreading and demodulating the received dsss signal can be executed with the local synchronized code and carrier. so, lots of energy and fund has been expended on it
直接序列擴頻系統只有在完成了偽碼同步和載波同步之後，才可能用同步的本地偽碼和本地載波對接收的擴頻信號進行解擴、解調。 -
For real world implementation of wavelet theory, we mainly focus on the selection of suitable wavelet bases and related algorithm applied in the following different aspects : in this paper, the selection of wavelet basis function is presented in detail through the investigation of traditional selection of wavelet basis and the theory of lifting scheme, an adaptive wavelet transform is put forward, and the adaptation is come from adaptive choosing between a class of linear predictors within the lifting framework according to the local gradient of the signal. we investigate the central issues such as the structure of adaptive frame and the calculation of corresponding wavelet basis function
對于小波的應用性研究，針對實際應用，主要對其基函數選取及相關的應用演算法進行了詳細探討，主要工作內容包括下面幾個方面：在論文中，首先對基函數的選取進行了詳細的研究，通過對經典的小波函數選取方法的研究，並在對經典小波變換和提升框架的基礎理論上，提出了利用提升框架並根據信號的局部特徵自適應選取小波基，探討了自適應框架的結構以及相應的小波基函數的計算。 -
The major job is manufactured a transmitter, which has three upmixer channels. its function is to up convert the signals from c - band to ka - band. the input local oscillator is provided by a low frequency crystal oscillator which has a good performance of phase noise, through 512 times multiply to ka band. this sysetem is used in the laboratory as transmitter source of the fuze, for the multidimensional objects in practise, which lead to the complexity of the reflect signal, so the amplitude, frequency and the phase of the transmit signals both have a key role in dealing with the reflection signals. therefore, this system requires for both the coherence of the single channel ’ s amplitude, phase and multi channels
本文的主要工作是應用戶要求製作一具有三發射通道的上變頻系統，可以將c波段的微波信號上變頻到ka波段的毫米波信號。系統的本振輸入基頻由一相位噪聲非常好的低頻率晶振提供，經過512次的倍頻放大至ka波段。本系統作為實驗室中引信的發射源，由於目標反射信號具有時變的多維性，反射信號變得極為復雜，在信號處理時，不僅信號幅值、頻率有決定意義而且相位關系也很有決定意義。 -
By realizing the control artifices, we adopt interbus fieldbus of high stability to transfer the signal and control the local devices, abstaining the problem of high disturbed info and low system ' s stability
在控制手段的實現上，運用具有高可靠性的interbus現場總線進行信號傳輸和現場控制，從本質上避免了原來信號干擾大、系統穩定性差、控制經常失靈的問題。 -
It has such feathers as multi - resolution, constant relative bandwidth, and the ability to indicate the local features of signal in time and space. after wavelet transform by using proper wavelet basis functions, the epileptic waves can be separated at different scale, then we can detect the epileptic waves by using the wavelet transform result at the proper threshold value
本文選取適當的小波函數，將信號進行連續小波變換，把腦電信號中的癲癇特徵波在不同的尺度下分離出來，然後選取特定尺度下的變換結果，通過閾值判定方法對棘波進行檢測。 -
A safety monitor and protective device of hoist in local coal mine is introduced. it can indicate the movement and the position of the hoist vessel in the shaft directly, send out a signal slowing down the vessel in time. when the vessel is over - rolled up, the hoist will be braked automatically and immediately
本文介紹了一種地方煤礦提升絞車安全監測與保護裝置，能直觀地指示提升容器的運動及在井筒中的位置，設置了比較完善的電器保護系統，能及時發出減速信號，當發生過卷時能自動緊急停車。 -
Semg signal is the sum of bioelectrical activities that recorded from the skin of working muscle by surface electrodes. the change in semg signal could reflect motor units activation patters and the status of muscle fatigue in some certain degree. because it was non - invasive and local sensitive, the technique of semg signal analysis had become very important method in examining and evaluating human muscle function
Semg信號是從肌肉表面引導和記錄到的肌肉活動時神經肌肉系統生物電變化的一維時間序列信號，由於其檢測具有非損傷性和良好的局部性以及semg信號的變化在一定的程度上能夠反映運動單位的活動模式和肌肉疲勞的狀態，因此應用semg信號分析技術檢測和評價肌肉疲勞以及進一步探討其生理機制具有重要的理論意義和實用價值。 -
In these bases, and using the gathered local signal, the paper obtained the optical reclosing time of transient faults by a new intelligent on - line method. the feasibility is verified by simulation also
在此基礎上，利用當地採集的信號，提出一種智能的在線捕捉最佳重合閘時刻的新方法，並通過了模擬驗證。 -
Wavelet transform has the ability of denoting local signal characteristics, so it is fit to analyzing instantaneous and fantastic phenomena and can lay out signal components
小波變換具有表徵信號局部特徵的能力，適于分析信號中的瞬態和奇異現象，並可展示其成份。 -
In chapter one the thesis expounds the recent development in signal processing system. relative techniques and the lack of the local signal analysis software. and it also introduces the researching background of this thesis. the main content of the thesis is also given in this chapter
論文第一章闡述了信號分析技術和系統的現狀與發展，以及國內信號分析系統軟體的現狀和不足，給出了論文的主要研究背景，並介紹了本論文的主要內容。
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