比例采樣 的英文怎麼說
中文拼音 [bǐlìcǎiyàng]
比例采樣
英文
proportional sampling-
This paper simulates the effect of voltage fluctuation inspection through the tool of matlab. and proves the filters ' s stability. in the part of self - checkout, pi ( proportional integral ) control arithmetic is put forward to check the gain k and the calculated results show the method ' s effectiveness. then many comparements toward pst are done in different realization methods such as different interpolation points classification number and sample frequency. though simulation and calculation we can see the designed flicermeter can meet our country ' s standands
文中利用matlab對電壓波動的檢測效果進行了模擬；並對涉及到的濾波器的穩定性做了證明；在自校驗部分提出了將pi （比例、積分）演算法用於數字濾波器增益k值的確定，取得了不錯的效果；然後分別從取不同插值點、不同分級數和不同采樣頻率這幾個方面出發，對計算出的p _ （ st ）值進行了比較。We consider that equal - ratio sampling method is suitable for the successive and unsteady emitting status of waste water
並認為等比例采樣法是連續不穩定排放方式比較適合的采樣方法。To accept the current signal from high negative voltage circuit, the analog ground is raised to a certain positive voltage, which makes it possible for the signal amplitude to be compressed at the same time of its polarity reversion. a pi control program special for laser gyro current control is brought forward according to the conventional pid control method, in which the control signal is figured out corresponding to the difference between the sample and the reference value by turn of proportion - short step integral - long step integral. and at the end of this paper, a comparison of system performance on different conditions is made and the key elements influencing system performance are educed
利用集成a / d 、 d / a轉換器的新型晶元aduc824 ，實現了電流（電壓）采樣?數據處理?電流控制的閉環控制結構；地電位的抬升解決了a / d轉換器對負高壓迴路電流采樣時的輸入范圍匹配問題；控制信號反相的同時進行幅度壓縮，使得輸出調整電壓的解析度提高；根據常規的比例?積分?微分（ pid ）調節模型，針對陀螺系統的特性，給出了一種可以滿足系統要求、據采樣值偏差大小進行的比例?大步長積分?小步長積分、分層次比例?積分演算法；不同條件下系統穩流性能的對比、分析在論文最後給出，並據此找出了決定該系統穩流精度的關鍵因素，提出了系統的改進意見。With regard to the flow regulation of the best - effort traffic, the controllable traffic in high speed computer communication networks, the present paper proposes a novel control theoretic approach that designs a proportional - integrative ( pi ) controller based on multi - rate sampling for congestion controlling. based on the traffic model of a single node and on system stability criterion, it is shown that this pi controller can regulate the source rate on the basis of the knowledge of buffer occupancy of the destination node in such a manner that the congestion - controlled network is asymptotically stable without oscillation in terms of the buffer occupancy of the destionation node ; and the steady value of queue length is consistent with the specified threshold value
本文從控制理論的角度出發，針對計算機高速網際網路中最大服務交通流即能控交通流的調節問題提出了一種基於多速率采樣的具有比例積分（ pi ）控制器結構的擁塞控制理論和方法，在單個節點的交通流的模型基礎上，運用控制理論中的系統穩定性分析方法，討論如何利用信終端節點緩沖佔有量的比例加積分的反饋形式來調節信源節點的能控交通流的輸入速率，從而使被控網路節點的緩沖佔有量趨于穩定;同時使被控網路節點的穩定隊列長度逼近指定的門限值。After analyzing the distribution of most attack packet size and the distribution of small packet percentage in normal datasets, a based on small packet threshold adaptive sampling method is proposed to promote the capacity of capturing attack packets. sampling strategy adjusts automatically according to the variation of small packet in order to capture more attack packets
為了提高攻擊報文的捕獲性能，在分析了攻擊報文大小分佈和小報文在正常數據中的比例分佈的基礎上，本文提出了基於小報文閾值的自適應采樣演算法，監測小報文的變化情況動態地調整采樣策略，更多地捕獲攻擊報文，為後期的分析和處理打下良好的基礎。The main module of sensorless pmsm vector control such as voltage sensing, current sensing, smo rotor position estimation, speed calculation, generation of sine and cosine, vector coordinate transformation, pi regulators, svpwm vector modulation are all accomplished in the pwm interrupt service routines
永磁同步電機無位置傳感器矢量控制的主要模塊如電壓采樣、電流采樣、滑模轉子位置估算、速度計算、正餘弦值生成、矢量坐標變換、比例積分調節器、空間電壓矢量脈寬調制等都是在pwm中斷服務子程序中完成。Second, a limited rate algorithm for picture downsampling was improved, and the realization process was deduced in detail. the simulation results of different algorithms and theoretic deducing showed that this algorithm had relatively higher psnr and lower computation cost
接著，改進了一種受限比例圖像下采樣演算法，詳細推導了其實現過程，由不同演算法的模擬結果和理論分析可知，該演算法具有較高的信噪比和較低的運算復雜度。There are too many problems in raw material supplying, such as, too many sources and types, complex constituent, variation price, large amount of needing, occupied funds, and safe inventory needed, et al. raw material assurance system is established under these circumstances. the main research of this thesis concentrates on the following parts : some optimization algorithms, raw material purchase, raw material inventory and real time early alarm of raw material purchase
在有色冶煉企業的原料供應工作中存在著這樣的一些問題：原料來源多；品種多；成分復雜；價格不一；連續生產，對于原料的需要量大；原料采購資金占企業流動資金的比例大，一般達到了80以上；保證連續生產，需要有一定的原料儲備量；原料采購策略與企業生產的產品市場價格信息脫鉤等。Firstly, the theory and the architecture of hardware system are described, secondly, the steps of the signal processing are discussed in detail. based on the experiments and the characteristics of the signal, we pre - process the signals with band - pass filter, proportional amplifier and coherent demodulator. after sampling and analysis doppler information, we display the final results distinctly to alarm in time
然後，結合系統中各主要部分的任務，詳細介紹了信號處理的各個步驟：通過實驗比較，並結合接收信號的特點，選用帶通濾波器、比例放大器、相干檢波等技術對信號進行預處理；然後對獲得的多卜勒信息進行采樣和頻譜分析；最後，用比較直觀的形式顯示數據結果，以及時準確地告警。This project research mainly includes : consummate the design plan, hardware circuit design, software design, the match between control system and electromagnetic proportion, the anti - interference of control system, and etc. the hardware circuit design of singlechip control system mainly includes odd parts of enlarging circuit, a / d change circuit, d / a change circuit etc. adopt the module to design program in software design
課題研究內容主要是包括:控制系統設計方案、控制系統硬體設計、軟體設計、系統抗干擾和電源電路設計。系統的硬體採用了模塊結構設計，主要是包括采樣模塊、主控制模塊、 a / d轉換模塊、 d / a轉換模塊、電液比例閥驅動模塊和電機驅動模塊等幾個部分組成。分享友人