抽樣率 的英文怎麼說
中文拼音 [chōuyànglǜ]
抽樣率
英文
sample rate-
We also researched the frequency structure of ddc and interchanged the filter multiphase heft and taking out - operation using the theory of equivalent counterchange in multisampling system
從理論上研究了數字下變頻的頻譜結構，利用多采樣率系統中結構的等效變換原理，將濾波器多相分量與抽取操作進行互換。Occupy what held recently " dozenth academic communication meets an epidemiology of countrywide heart and vessels " the data of exposure makes clear, the philtrum of blood pressure has been measured in these, know oneself blood pressure is worth, or whether is him understanding hypertensive number, occupy only by 43. 9 % of investigation number, in addition, the rate taking drug of sampling crowd and rate of blood pressure control are very low also
據近日召開的「第十二屆全國心血管流行病學學術交流會」披露的資料表明，在這些測過血壓的人中，知道自己的血壓值，或了解自己是否為高血壓的人數，只佔被調查人數的43 . 9 % ，此外，抽樣人群的服藥率與血壓控制率也很低。Khz to 44. 1 khz sample rate conversion system
抽樣率轉換系統設計48In addition, a low - pass filter can be employed prior to the digital - to - analog ( d / a ) stage to smooth the stairstep effect resulting from the combination of a low sampling rate and quantization
另外，在數模轉換（ d / a ）級前用低通濾波器可以平滑因低的抽樣頻率和量化造成的階梯效應。To utilize the advantages of dsp chips, the system should be computing sources economical. according to digital signal processing theory, the poly - phase fir can help reduce the workloads of the ddc / duc. therefore, adding the complex carrier mixers, the channelization system ( a method of using a single wideband facility to transmit many relatively narrow - bandwidth signals. by subdividing the frequency spectrum used in the wideband channel ) can be formed utilizing the characters of fft
為了使開發出的軟體可以適用於高速dsp器件開發，節省系統資源，課題首先從數字信號處理的理論進行分析，得出可以利用抽樣率轉換的數字濾波器的特點，即多相濾波實現數字上下變頻計算負擔的減小，之後進一步將多相濾波器與頻譜搬移部分結合，通過公式的推導，得出可利用快速傅立葉變換的特點實現多路信號的通道化發射和接收的處理模型。Fpga and dvb standard are introduced firstly, dvb - c standard and composition of its system are analyzed completely, development of modulator structure and dvb - c digital modulator composition are presented, more over, analysis of respective modular are given. then, principle of dvb - c digital modulator system are presented, they are error control technique 、 mqam 、 nyquist rule and root raised cosine filter 、 window design method for fir filter 、 multi - rate signal processing ( integer interpolating, conversion of fractional sampling, equal conversion of net structure, polyphase structure for filter, poly - phase structure for interpolator, multi - stage implementation of samplying conversion ) 、 distrubited algorithm 、 cic filter 、 dds 、 cordic algorithm
接著，專門利用一個章節闡述了dvb - c前端調制系統原理，他們了差錯控制技術、多進制調制（ mqam ） 、 nyquist準則與平方根升餘弦濾波器、有限沖擊響應濾波器的窗函數設計法、多抽樣率信號處理包括（整數倍內插原理、分數倍抽樣率轉換、網路結構的等效結構、濾波器的多相表示、內插器的多相表示、抽樣率轉換的多級實現） 、分散式演算法、 cic濾波器、直接數字頻率合成（ dds ） 、 cordic演算法。The confidence tests can also bring more convenience in engineering, as that the tests for the percentile and percentage of normal population that are difficult in hypothesis tests can be easily solved by the present method
不但比傳統的正態分佈假設檢驗和抽樣檢驗具有更高的精度，而且更加便於應用，許多假設檢驗和抽樣檢驗難以處理的問題（如母體百分率和百分位值的檢驗） ，採用置信檢驗可以容易地得到解決。Multirate analysis on neural network recognition of diesel cylinder pressure
多抽樣率分析在柴油機氣缸壓力神經網路識別中的研究This thesis concentrates on the analysis of sampling rate changing ( decimation and interpolation ) ; the discussion of basic multirate signal processing theory ; the implementation of high efficient algorithm, which provides the bases for other algorithm development in this thesis
本文從頻域的角度深入分析了抽樣率變換的規律，並進一步研究了多抽樣率系統的高效實現方案和基本理論，為其它演算法的研究提供了必要的基礎。This paper presents a method of realization of numeric transducer using tms320c542 dsp. the program of numeric down - transducer and multi - rate sampling is given
摘要在tms320c542數字信號處理器上，用查表方法實現了dsp數字變頻器，並給出相關的數字下變頻和多抽樣率信號處理程序。3. research multi - rate theory
研究了多抽樣率技術。The multiresolution method is extended and applied to random vibration control system, thus a multiresolution random vibration control algorithm is created, which provides a satisfied solution to the poor control precision problem at low frequency that was pointed out and remained unsettled for many years. the control algorithm has been successfully implemented on dactron ' s shaker control system, showing great improvement in low frequency control precision, with a little more computation resource consumed. high resolution octave analysis is another successful application of multiresolution spectrum estimation theory
在多抽樣率信號處理理論和多分辨譜估計理論的基礎上，本文進而將多解析度思想推廣到隨機振動控制理論中，提出了多分辨隨機振動控制演算法，解決了振動控制界多年來懸而未決的低頻控制精度問題，並在dactron公司laser ~ （ tm ）和comet ~ （ tm ）等多種振動控制產品中得到了成功的應用，在計算量增加不大的前提下取得了令人滿意的控制效果。Multirate signal processing is an important area in modem signal processing theory. during the past decades, a great development has been achieved in this area, and many successful applications could be found in various fields
多抽樣率信號處理是現代信號處理理論的一個重要分支，在最近十幾年取得了巨大的發展，在很多方面得到了成功的應用。Integrating multirate signal processing theory and classical spectrum estimation theory, a brand new multiresolution spectrum theory is provided and a special algorithm is discussed in great detail. the polyphase decomposition theory is also applied to optimize the algorithm and improve the computing efficiency
本文結合多抽樣率信號處理理論和傳統譜估計理論，提出了嶄新的多分辨譜估計理論，並給出了具體的實現演算法，解決了譜估計中如何達到頻率解析度和時間解析度的最佳組合的問題。Update statistics with resample updates all the statistics on a table at the current sampling rate
Update statistics with resample會按當前抽樣率更新表的所有統計信息。At first, the concept of perfect reconstrution of input signal from the view of filter banks and wavelet transform are introduced, . and then the analysis / synthesis system is analyzed in time domain, third, the kalman filter is explained, finally, a multirate kalman synthesis filter and multirate kalman filterirng algorithm are intruduced to achieve optimal reconstruction of the input signal with the consideraion of the subband noises. simulation results show that the performance improvement of signal reconstruction in noisy filter bank system is remarkble
本文從濾波器組和子波變換兩個方面闡述了分析/綜合系統及其對輸入信號完全重構的概念；研究了考慮子帶噪聲條件下，基於濾波器組的多抽樣率分析/綜合成系統對輸入信號的最佳重構問題。實現了用多抽樣率卡爾曼綜合濾波器取代常規的綜合濾波器達到對輸入信號的最佳重構。Sampling rate meter
抽樣率計Specifies that statistics will be gathered using an inherited sampling ratio for all existing statistics including indexes
指定收集統計信息時，對現有所有包含索引的統計信息使用繼承的抽樣率。If the sampling ratio creates too few rows being sampled, the database engine automatically corrects the sampling based on the number of existing rows in the table or view
如果抽樣率導致要抽樣的行過少，數據庫引擎將自動根據表或視圖中的現有行數改正抽樣。Based on multirate digital signal processing, this paper development a new method to design the narrow band fir digital filter, which makes the design of narrow band fir digital filters possible
本文另闢它徑，採用多抽樣率結構來設計窄帶fir濾波器，使窄帶fir濾波器的設計由不可能變為可能。分享友人