隨機采樣 的英文怎麼說
中文拼音 [suíjīcǎiyàng]
隨機采樣
英文
random sampling-
Standard practice for random sampling of construction materials
隨機采樣的建築材料的標準實施規程Equivalent sampling has sequence sampling and random sampling
等效采樣分為順序采樣和隨機等效采樣In such problems, there are too many test cases to evaluate all the candidates, and a random sampling of test cases can be uninformative
在這類問題中,對于所有的候選解而言,由於其數目太多而無法對它們進行評估,而且隨機的測試事例采樣也不能提供有用的信息。The delay chip, whose delay precision can be 10ps, wide band sample - hold amplifier ( sha ), and high speed and precise analog / digital conversion ( adc ) are used in the system
能夠對5mhz以下的信號進行隨機采樣、波形顯示、頻譜分析,還能夠對採集的波形數據進行存儲、共享。Divider, coaxial line, trigger, signal processing, data acquisition, acquisition control and waveform analysis software is included in the device. when the device operate in the system, overvoltage is transferred to coaxial line by the divider. if the overvoltage amplitude is higher than initialization value, data acqusition card start sampling. when sampling is over, computer save data to file. engineer can analyse parameter of waveform by appropriative software reading data from file
當裝置在線運行時,系統中出現的過電壓信號通過分壓器傳遞到同軸電纜,通過觸發電路判斷,如果大於預先設定的值則啟動採集卡的同時采樣,采樣結束后,計算機把數據存盤並以文件格式保存,管理人員隨時通過調用專用軟體調取文件進行各種參數分析。Overvoltage amplitude is higher than initialization value, data acqusition card start sampling. when sampling is over, computer save data to file. engineer can analyse parameter of waveform by appropriative software reading data from file. in the trial measurement, the device shows good performance. simulant trial and actual result indicate that method in the paper acquire approving effect, and the device can be used in the lokv distribution network
當裝置在線運行時,系統中出現的過電壓信號通過分壓器傳遞到同軸電纜,通過觸發電路判斷,如果大於預先設定的值則啟動採集卡的同時采樣,采樣結束后,計算機把數據存盤並以文件格式保存,管理人員隨時通過調用專用軟體調取文件進行各種參數分析。The design adopts ac sample method to get 3 - phase voltage and current samples. the design computes three basic electric parameters according the sample values and monitors the voltage and current of pumping machine with keyboard and lcd
對抽油機工作電壓、電流進行數據採集,用方均根值法由交流采樣值計算三個基本電參數,並通過lcd和鍵盤進行隨時的監測。Generator testing system based on serial communication for platforms
基於隨機采樣法的液壓腐蝕疲勞試驗測控系統Line detection algorithm based on random sample theory make the plane measurement more precise and quicker
基於隨機采樣理論的直線檢測演算法使得平面測量更為精確、快速。First of all, the paper illustrates kinds of dso, theory of random sample convert and the task " aim
本文首先介紹了數字化示波器的分類,隨機采樣技術的基本原理及課題任務。When determining a candidate ellipse, the number of points sampled randomly was maximally reduced, more non - ellipse points were eliminated, and therefore useless sample and calculation were reduced
在確定候選橢圓時,最大限度地減少隨機采樣點數?剔除更多的非橢圓點,降低了無效采樣,減少了無效計算。The random sampling theory possess of many advantages on technology. the more high - powered wdso can be manufactured with electronic components coming forth and its cost falling
針對目前國內元器件生產能力和進口器件狀況,選用隨機采樣原理具有很高的技術優勢,隨著器件成本的降低和高性能器件的出現,完全可以做出更高性能的同類產品。When the frequency of input signal is high enough, we could n ' t capture it by real - time sampling. in this situation, the only choice is equivalent - time sampling. we reconstruct signal with several random sampling series by multi - trigger
當信號的頻率足夠高時,實時采樣技術已經不能滿足要求,唯一的選擇是採用等價采樣技術:通過多次觸發,用多個隨機采樣序列重建信號。This part offers the correlative waveforms and data through debugging the hardware function under real - time sampling mode and random sampling mode, makes error analysis, finds the reasons that cause error, and gives some solutions to improve the performance of the circuits
分別在實時采樣方式下和隨機采樣方式下對整個硬體電路的功能進行調試,給出了相關波形、數據,並對結果進行分析,找出一些誤差產生的原因,提出相應的改進方法。It analyses the principle and methods of waveform reconstruction of the data acquisition module under double a / d parallel time - interleaved real - time sampling mode and random sampling mode. it also illustrates the flow of the monitoring software and the application of fpga technology in this design
主要分析了雙a / d分相數字化實時采樣方式下和等效時間隨機采樣方式下採集模塊的工作原理及波形重建的方法,並簡單介紹了監控軟體流程及fpga在本設計中的應用。The interpolate technology just like a " ruler ", the resolving power of the " ruler " affect that the sampling points are arrayed correctly on time axis, and is determined by the multiple of the double slope integral amplifier. so it is core in the whole project. the project apply the complicated program logical device ( cpld )
內插技術的應用使得隨機采樣理論能夠得以實現,內插技術相當于測量用的「尺子」 , 「尺子」最小分辨能力決定了最後采樣點重新在時間軸上位置排列的真實可靠程度,這里尺子的最小分辨能力是由雙斜率積分時間擴展器放大倍數決定的,所以說該模擬充放電放大電路在整個方案中是個很關鍵的部分。The advantage of the random sampling theory relative to the real time sampling theory is that it does have no use for high - powered hardware to support. so we can choose components freely. the difficulty is to ensure the randomicity, to apply the interpolate technology and to ensure the multiple of time extending
隨機采樣原理相對于實時采樣原理的優點在於不需要高精度的、高性能的硬體支持,這對于器件的選用有很大的餘地,難點在於隨機性的保證和內插技術的應用和時間放大倍數的可確定度。It made use of randomly sampled one edge - point sampling randomly and locally searched two edge - points in an image and information of their neighborhoods to determine a candidate ellipse, then affirmed true ellipse for the candidate ellipse by affirming true circle for corresponding circle into which is transformed by the candidate ellipse
該演算法利用在圖像中隨機采樣到的一個邊緣點和局部搜索到的兩個邊緣點以及這三個點的鄰域信息確定候選橢圓,再將候選橢圓變換為對應圓,通過確認真圓來確認真橢圓。In the time - domain, based on the principle of random sampling of dso. two way ( " time amplifing in dual slope integral " and " time - voltage convert " ) are implemented to measure the time between the system triger and writing clock. thus random sampling interpolate can be done to measure repeated signal in high frequency with the a / d convert and controller which frequency are lower
在時域,根據數字示波器隨機取樣原理,用兩種方法(雙斜率積分時間放大測量方法和時間? ?電壓轉換測量方法)測量數字示波器系統觸發和采樣寫時鐘間時間間隔,用低速a / d轉換器及控制器進行模?數轉換和控制,以此進行隨機取樣內插,從而實現了對高頻率重復信號的測量。By computer sampling the long periodic sequence and estimate the confidence interval, we can conclude the cross correlation value of long periodic sequence is biger than 0. 03 with a probability lower than 10 - 7. this thesis also presents a new quick acquisition method of long periodic non - linear codes used in the satellite navigation and positioning signal ( snps )
通過計算機采樣數據和區間估計,對于超長偽隨機序列可以以99 . 99的概率確信,在2048相關長度的條件下,長碼的局部互相關值超過0 . 03的概率低於10 ~ ( - 7 )數量級。分享友人