采樣速率 的英文怎麼說
中文拼音 [cǎiyàngsùlǜ]
采樣速率
英文
sampling rate-
In the pre - procession of front radio frequency, the super - heterodyne technology which get proper a / d sampling rate through choosing a proper frequency and bandwidth is adopted
射頻前端預處理採用成熟的超外差技術，選擇合適的中頻和帶寬，得到合適的a d采樣速率。We use a colorful noise to describe traffic flow and regard it as the uncontrolled input ( equaled to noise ). then we use the multi - rate sampling pi controller to eliminate the error caused by noise, and make the length of queue stabilize at the threshold. the availability of the strategies and stability of systems are proved by doing some analysis and simulation
文中我們將一有色噪聲看作不可控輸入的擾動，採用基於pi的多采樣速率控制器以消除由此不可控輸入所造成的對系統輸出（交換節點緩沖區隊列長度）誤差的影響，使得系統輸出（隊列長度）穩定在閾值附近。Some robust stability conditions are derived. ( 4 ) a class of dual - rate input - output predictive model containing time delays is established. a new dual - rate predictive control algorithm for the time - delay system is presented, which makes up the shortcoming of multi - rate weighted minimum - variance control for time - delays system, and has solved the influence of time delays on the multi - rate system
針對輸入更新速率比輸出采樣速率慢的雙速率采樣系統，建立了帶有時滯的輸入輸出預測模型，給出了時滯雙速率采樣預測控制演算法，彌補了已有文獻中時滯多速率采樣加權最小方差控制的不足，解決了時滯對多速率采樣系統帶來的影響After that, it discusses the principle of the band - pass technology, illuminating the feasibility of the digital intermediate frequency system based on the sampling speed which is two times lager than the signal band but unsatisfying the nyquist theorem
隨后討論了帶通采樣技術的原理，說明可以使用不滿足奈奎斯特低通采樣定理但大於信號帶寬兩倍的采樣速率進行中頻數字化，減輕基帶處理負擔。This distance measuring system may suffice the need of high sampling speed and signal timing processing in echo disposal
針對毫米波探測系統的特點，測距系統能夠滿足采樣速率快、信號實時處理的要求，可實現對地面目標回波信號進行實時採集和高速處理。In data sampling circuit, high - speed, complex programmable logic device cpld technique is used. high - speed double - port ram, control sampling time sequence logic, cpu interfaces and bus circuit are implemented in cpld. sampling speed is up to 80mhz, sampling depth is ik - byte, and cpld can fulfill the requirement of the software arithmetic to sampling
在數據採集電路中採用了高速復雜可編程邏輯器件cpld技術，晶元內設計有高速雙埠ram 、控制采樣時序邏輯及cpu介面、總線等電路，采樣速率高達80mhz ，采樣深度1k位元組，很好地解決了超聲波微位移傳感器軟體演算法對采樣的要求，並可實現在線升級，大大提高了系統的整體性能。Therefore, the system has a characteristic of high precision, large dynamic range and high transmission rate
因此，系統采樣速率高、動態范圍寬、數據傳輸速度快。The system can scan the wideband frequency 、 lock the frequency of receiving data and convert the if signal to digital data timely. directly sampled data by a / d or saved data by sdram ( when signal speed is too high ) can be transmitted to pc by usb2. 0 or to dsp by link port in order to complete the modulation detecting and intercepting of signals
信號經高速a / d變換可以實時或經sdram緩沖后（當采樣速率過高時）由usb2 . 0總線傳入pc或由linkport傳入後端雙dsp綜合信號處理板進行調制識別處理（或接收由雙dsp信號處理完的數據並傳入pc機完成後續運算處理） ，完成無線電監測。These, and other fullscan statistics, use the default sampling rate when updated because of auto update statistics
由於使用了auto _ update _ statistics ，這些統計信息和其他fullscan統計信息在更新時使用默認的采樣速率。With the resample option. this preserves the earlier sampling rates and updates all statistics to the latest format
這將保留早期的采樣速率，並將所有統計信息更新至最新的格式。The main design work as follow : four biomedical analog signals input channels " design ; the design of at89c51 microprocessor system which can change the sampling rate ; the dma interfacing circuit design by which the sampling data enter the computer ; the interfacing circuit design between pc and signal amplifier, and the reliability and anti - interference design of this system, etc
具體設計內容包括：四路生物醫學模擬信號輸入通道設計；以at89c51為核心的可實現采樣速率程式控制調整的微處理器系統設計；采樣數據進入pc機的dma介面電路設計； pc機與生物信號放大器之間聯系的介面電路設計；以及系統的可靠性和抗干擾設計等。In this paper, we describe the research and realization of the high - speed data acquisition system applied in initial velocity radar. the sampling rate can reach 40msps, and the resolution is 12 bits. the acquisition speed that the system provides can be altered
本文介紹了基於初速雷達的高速數據採集系統的研製和實現方法，該系統提供了最高40mhz的采樣速率、 12位采樣精度的數據採集通道，且采樣頻率可調。The drfm can store a transmitted signal of the radar and replicate it on command. properly implemented, in addition to radar signals, the drfm can generate noise jamming and other electromagnetic signals typically experienced in the ew environment. other difficult to generate deception spectrums can be easily implemented by analysis of the desired spectrum
本課題為射頻模擬系統的一個組成部分，設計指標要求有300mhz的瞬時帶寬，本系統採用采樣速率為1ghz的超高速模數轉換器（ adc ） ，實際使用兩個采樣速率為500mhz的adc交替采樣以達到1ghz 。Performance counter data is collected based on the counter sets, the mapping of the counter set to a specific computer, and the sample rate
性能計數器數據是根據計數器集、計數器集到特定計算機的映射以及采樣速率收集的數據。The auto - test process could be done by several instructions " executed. results of the ip core ' s simulation shows the adc can achieve a 10 - bit resolution. system has 8 input channel and 5 sample period selection with the control of internal bus
對該ip核的全局模擬結果表明，所設計的模數轉換器可以達到10位的精度，可以通過系統總線信號對8路信號輸入通道以及5種采樣速率進行選擇控制，可以通過系統指令完成模數轉換器的自測試功能。2. we discuss a data acquisition system by using multi - channel structure based on multirate sampling, and discuss the problem that it is n ' t a ideal system
2 .在超寬帶雷達數據採集系統的設計中，首先討論了一種基於多采樣速率的多通道數據採集系統，討論了其非理想重構的問題。Be aware that statistics created during index creation are created by using the fullscan sampling rate
請注意，在索引創建過程中創建的統計信息是使用fullscan采樣速率創建的。To selectively update statistics on indexes and other fullscan statistics with the fullscan sampling rate after database upgrade
有選擇地更新有關索引的統計信息和其他採用fullscan采樣速率獲得的fullscan統計信息。It works properly, and verifies the adm algorithm. main performance parameters are lobits resolution in prediction coding and 16ks / s sampling rate
結果表明晶元所實現的設計指標為：預測解析度10位，采樣速率為16kbps 。The two types of ncss parallelizing method could improve resource utilization, so that sampling rates could be increased and control performance could also be improved
這兩類系統的并行化可以有效地利用系統資源，提高控制迴路的采樣速率，從而提高控制精度。分享友人