漂移基線 的英文怎麼說
中文拼音 [biāoyíjīxiàn]
漂移基線
英文
drifting baseline-
8b / 10b encoding adapt the characteristic of fiber channel very well, it has been used in high - speed fiber transmission broadly. it avoids the appearance of continuous “ 1 ”, “ 0 ”, offers plenty of bit synchronization time information, enhances the stability of output light signal, reduces interference between signals and offers proper redundancy to check error through transmission
它避免了連「 1 」 、連「 0 」碼的出現，提供了豐富的位同步定時信息，減少了直流基線漂移，提高了光輸出功率的穩定性，減少了高低頻分量，改善了信號間的串擾，提供了適當的冗餘，便於檢測系統傳輸中帶來的錯誤。Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo
本文首先對數字減影血管造影（ dsa ）成像系統的組成結構和數據流向進行了深入研究和分析，並對系統中的數據流向進行了完整的歸納和總結，給出了x線數字成像系統中的高速大容量數據通道的設計方案；在對sdram的控制方式做了深入探討后，給出了實現大容量多條sdram共同工作的解決方案，在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲；通過對pci總線介面的深入研究，優化後端狀態機設計和低層驅動程序開發，給出了完整的pci介面方案實現高速dma數據傳輸，完全可以滿足視頻傳輸要求；深入研究了基於大規模可編程器件的數字系統設計方法，針對通用fifo使能信號漂移、輸出數據難于建立和保持等設計難點，提出了利用fpga中的鎖相環提供多個時鐘相移的信號來提高系統穩定性的解決方案，從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。Based on analysis of the iso - rigidity of the gyro assembly, the requirement for making the joints match each other is offered, which has a guiding significance for joints assembly and selection. based on analysis of rigidity and drift error for the dynamically tuned gyro, a cross model including an inner and an outer flexible hinges is established
在對動力調諧陀螺剛度和漂移誤差分析的基礎上，建立了由內外撓性接頭裝配所形成的十字型鉸鏈模型，並利用偽剛度理論對該模型進行了分析，得出了內外撓性接頭兩鉸鏈的相對位置關系對十字型鉸鏈模型的影響曲線。This theoretic model employs the basic idea of correlation measurement, achieve the density wave speed by the correlation of the signals of upper and lower sensors, and get the total flow rate and water cut through the theoretic relationship of density wave speed and total flow rate as well as holdup with the help of drift flux model so as to accomplish the oil / water two - phase flow measurement at last, using the limited available experiment data, the theoretic model has been simplified into an applicable linear alternative which is suitable to homogeneous oil / water two - phase flow measurement to accomplish the oil / water two - phase flow measurement using the density wave phenomena is of highly theoretically valuable for density wave theory research as well as oilavater two - phase flow measurement research. to develop new type oil / water two - phase flow instrumentation based on this theoretic measurement method will be very applicable and promising
在此基礎上，針對穩態密度波理論提出了基於密度波理論的油水兩相流測量理論模型，該模型以密度波傳播理論作為基礎，通過上下游傳感器信號相關獲得密度波傳播速度，利用密度波傳播速度與總流量以及持相率的理論關系結合漂移模型來求解總流量和含相率，實現油水兩相流的測量，在理論分析的基礎上，在實驗資料有限的條件下，對基於密度波理論的油水兩相流測量理論模型作了極限的簡化，提出了本文油水兩相流測量理論方法應用在測量均勻油水兩相流中的實用線性模型。In this dissertation, the experimental study of rolling condition on two - phase flow instabilities of the forced - single - tube circulation system was carried out. furthermore, based on the d - partition method and the hypothesis of drift flow model, given some conservative equation, using the perturbation method the response of the pressure drop of the tube to the inlet flow rate perturbation was analyzed both in rolling condition and in normal upright position
本文主要通過實驗對搖擺條件對單管強迫循環中汽液兩相流動不穩定性的影響，同時在d分區法的前提下，在兩相區基於漂移流模型，一定的守恆條件下，在搖擺和不搖擺工況中用線性小擾動法對實驗段的壓降對入口流速的擾動的響應進行了分析。Lastly, the hardware circuit of digital acquisition system is designed, and the programs for system controlling and adaptive filter arithmetic are designed. eeg can be observed clearly after d / a switching. at the same time, eeg data is transmitted to the upper machine by serial communication, so we can see eeg waveform by virtual instrumentation
在此基礎上，針對固定濾波器存在的問題，提出了將自適應濾波技術應用於腦電測試中，並進行了理論研究和模擬研究，設計出了能較好地濾除50hz強干擾的自適應陷波濾波器和去基線漂移的自適應濾波器。In practice, it ’ s very hard to find any ideal scatter points to track, so this thesis focuses on the motion compensation algorithm base on motion parameters estimation, which is used in r - d fft imaging algorithm and verified by simulation. work of this thesis contains : first analyze the signal - processing model of isar system in detail, and establish a 3 - dimensional mathematical scattering model of moving target. then some improvements are made on existing compensation algorithm, to get a higher image quality and reduce compute burden
本論文有以下幾點創新: 1 .在距離向的補償（包絡對齊）方面，採用基準相關法代替相鄰相關法或積累相關法，一定程度上解決了可能出現的包絡漂移和包絡突跳現象;根據目標運動軌跡特點，採用二次曲線擬合的方法，將包絡對齊時的局部誤差轉化為全局的誤差，以便實現較優的整體對齊效果。Our item choiced msp430f149, a sort of singlechip as controller, designed our hardware electrocircuit to get the pulse wave singnal, and used msp430f149 to continuously search and calculate the peak - peak value of the pulse wave, and compute oxygen saturaction. in our study, in order to hurdle the dirft of baseline caused by the physiological difference of human bodies. we designed one circuit which can automatically regulate of the baseline of signal
本文以msp430f149晶元為控制器，設計硬體電路提取脈搏波信號，連續檢測脈搏波峰?峰值，計算氧飽合度。本課題採用了基線自動調節電路，以克服不同人體生理差異引起的基線漂移；設計了直流截取電路和可控積分放大電路，以滿足臨床連續監測的特殊需要，解決信號飽和問題。Baseline drift corrector
基線漂移校正器If no measures are taken, the serious basic - line - shift as well as the loss of chip clock and the difficulty of the data recovery will be introduced in the optical receiver, which causes the communication to go along abnormally
如果不採取任何措施，會給光接收機帶來嚴重的基線漂移，同時會引起碼時鐘丟失和碼元恢復困難等一系列問題，導致通信無法正常進行。So adjusting the drift of laser beam and improving its directional stability, which is the key technology in the domain of the linear reference technology, demands to be solved
可見，抑制激光光束漂移，改善其方向穩定性是直線基準技術領域急需解決的關鍵技術。Adaptive filter technique is used to filter 50hz power line interference and baseline shift. the feasibility of adaptive filter is demonstrated through simulation. the parameters of the algorithm are decided by the hardware and the algorithm itself
運用自適應濾波技術主要是濾除50hz工頻干擾和去基線漂移，自適應濾波的可行性通過軟體模擬來論證，並結合硬體特點來確定各參數。A statistic method combining principal component analysis ( pca ) with joint angle plot was proposed to online detect and diagnose fixed or drift bias of temperature and flow rate sensors of air handling unit ( ahu )
摘要針對空調箱的溫度、流量等傳感器進行固定偏差和漂移故障的檢測與診斷，提出了一種基於統計學的方法進行在線的故障檢測和診斷。The main works in this paper are as follows : first ， the preprocessing of ecg signal - filtering is carried on. the interference includes 50hz and its higher harmonics, muscle artifact and baseline wander and so on
論文的主要研究工作：一、研究了原始心電信號的濾波方法，提出了濾除各種干擾的數字濾波器的設計方法，包括50hz及其諧波、肌電干擾和基線漂移等。When we get the ecg signals, impulsive noises and baseline drift will been intermingled. it will influence the ecg waves separation. we get good results when the ecg signals are filtered by the morphological filters
由於心電信號的記錄過程中常會引入脈沖噪聲和基線漂移，這對於心電信號的判斷和進一步的qrs復波群分離帶來很大的影響。The studies show that compared with the conventional logarithmic decrement method, this method need not to determine the baseline, and is insensitive to baseline drift and low frequency interference
研究表明，與傳統的對數衰減法相比，新方法無須確定基線，估計結果對基線漂移和低頻干擾不敏感。分享友人