double sampling 中文意思是什麼

double sampling 解釋
二次質量檢驗
  • double : adj 1 兩倍的,加倍的。2 雙的,二重的,雙重的;對,雙,兩,復。3 雙人用的;折疊式的。4 (意義)雙...
  • sampling : n. 1. 取樣(品),取標(本)〈指行動或程序〉。2. 樣品,標本。3. 剽竊拼湊歌曲。
  1. Double pipe hammering with inside pipe sampling technology and operation for placer drilling

    砂鉆的雙管沖擊內管取心工藝
  2. Application of correlated double sampling technique to readout circuit for uncooled focal plane array

    相關雙采樣技術在室溫熱成像探測器中的應用
  3. The correlated double sampling ( cds ) circuits structure is used to reduce the fixed pattern noise ( fpn ) of the cmos sensors, and improve the signal - noise ratio ( snr ). the 256 photodiodes arrayed 4 quadrants sensor consists 16x16 active photodiodes array. correlated double sampling processing circuits, output buffer amplifiers and digital control part

    針對cmos製造工藝中mos器件固定模式噪聲( fixedpatternnoise , fpn )較大的不足,研究中採用了相關二次采樣( correlateddoublesampling , cds )電路降低固定模式噪聲,從而提高了傳感器的信噪比( signalnoiseratio , snr ) 。
  4. In video shot segmentation, an improvement to double - threold shot segmentation algorithm is provided, which uses multi - frame sampling technique and can improve the performance significantly on the detection of gradual transition. an abrupt transition detection algorithm is also developed on the basis of the closest pixels matching in spatio - temporal slice, which decreases the false rate and computing strength greatly

    在視頻鏡頭分割方面,提出了一種基於多幀抽樣的雙重比較鏡頭分割演算法,有效地提高了對視頻鏡頭漸變檢測的性能;同時,針對視頻鏡頭突變的檢測,提出了一種基於最近鄰像素匹配的時空切片鏡頭突變檢測演算法,該演算法顯著降低了突變檢測的虛檢率和計算量。
  5. In order to ensure the safety of engineering, it should be careful to use the test result of normal drilling sampling, the pitting sampling, shaft sampling, or double - tubles and thin - wall soil collecting methods should be used

    為保證工程安全,對常規鉆孔取樣試驗成果的使用應當慎重,對重要工程宜採用探坑、豎井取樣,或採用雙筒薄壁取土技術。
  6. The signal sampling circuit fulfill the tasks of sampling signal and changing the double polarities signal to the single polarity signal ; the drive circuit receives the pwm signals from dsp and pass the signals to ipm through optical - couple devices ; the protective circuit safeguard the system against high current, high voltage, low voltage and high temperature on the ipm model

    其中信號處理電路主要完成採集輸出電流和中間直流環節電壓信號,並對採集到的電流信號進行極性變換處理的功能;驅動電路接收dsp輸出的高頻驅動信號,通過耦合器件直接驅動ipm模塊;保護電路利用採集到電氣信號對整個系統實施保護,包括過電流、過電壓、欠電壓、 ipm模塊過熱等。
  7. 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。
  8. 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。
  9. The software of the system have been compiled on the base of data sampling. the system used double - closed loop and pid method, one loop is speed control, the other is curret control

    系統軟體中,以中斷響應方式,實現電機轉速和電機電流實時採集、處理和控制;通過常數值切換法,實現電機的變結構控制。
  10. 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。
  11. A new sign test based on double - ranked set sampling is proposed, and its asymptotic distribution was obtained ; and the asymptotic efficiency relative to under srs and rss was discussed, which show that this test had higher efficiency

    摘要提出基於重排序集抽樣的符號檢驗,給出相應的極限分佈,並討論了相對于基於簡單隨機抽樣和排序集抽樣的符號檢驗統計量的漸近效率,得出此檢驗具有較高的功效。
  12. Use 24bit dac 96khz to process audio by sampling frequency and output perfect sound quality by 5. 1 channel double decoding. no need to connect to the external decoding amplifier

    專業的音頻視頻輸出端子,自動制式pal ntsc制式兼容av監視器,支持家用電視輸出
  13. Sampling procedures for inspection by attributes - double sampling plans using minimal sample sizes, indexed by producer ' s risk quality and consumer ' s risk quality

    計數取樣檢驗程序.分批檢驗時控制出廠質量的以信任為基礎的零抽樣驗收計劃
  14. Research of self - adaptive random double sampling method on the high - speed network traffic measure

    高速網路流量測量的自適應隨機雙抽樣方法研究
  15. Abstract : in this paper, the double - speed synchronous sampling method is introduce d to the power system harmonic measurement, and the corresponding algorithm mode l of dft is deduced

    文摘:將雙速率同步采樣法用於電力系統諧波測量,導出相應的dft計算模型。
  16. At the same time, using two - terminal voltages and currents sampled by the medium - speed sampling and processing unit synchronized by the pulse per second ( 1pps ) of gps, the fault locator can realize accurate double - ended steady - state location

    同時,線路兩端的測距裝置利用gps的同步秒脈沖信號( 1pps )控制各自的中速采樣處理單元對線路的電壓、電流信號進行同步采樣,用這些同步採集到的數據還可以實現精確的雙端穩態法測距。
  17. Firstly, design the software phase - closed loops ; secondly, realize the double closed loops control of the instantaneous value and the virtual value. furthermore, the dynamic flux imbalance of the output transformer caused by ordinary pi arithmetic is analyzed in detail. a new solution for flux balance by sampling the instantaneous primary current of the output transformer and introducing the on - line calculated bias current component into the voltage regulation arithmetic is presented

    系統軟體實現了ups的各個功能模塊,首先設計了軟體鎖相環;然後實現了輸出電壓瞬時值和有效值雙閉環反饋控制;並且在深入分析基本數字pi演算法所引起的輸出變壓器動態偏磁問題的基礎上,提出了一種改進演算法,實時消除了變壓器的偏磁。
  18. Aql sampling procedures for inspection by variables - guide to double sampling schemes indexed by acceptance quality limit for lot - by - lot inspection

    變量檢驗用取樣程序.逐批檢驗用合格質量等級
  19. We expatiate on the theory of ccd from the physical base and point out the different theory of ccd engendering noise. we describe the mathematic model of ccd output noise by correlation theory and analyze the noise quantificationally, it gives the correlation conditions. at these bases, we discuss the correlated double sampling elaborately

    課題從ccd的物理基礎入手,闡述了ccd的工作機理,對ccd的各種不同噪聲進行了深入分析,指出了ccd不同噪聲產生的原理,課題運用相關理論對浮置擴散放大器讀出方式工作的ccd輸出復位噪聲進行了數學描述,進而對復位噪聲的相關性進行了定量的分析和計算,給出了復位噪聲相關的條件。
  20. The analysis of how the training model influenced the students " thinking ability, creativity and study performance is done by using a few statistical methods including analysis of double samples " variance, supposition of double sampling, testing of significant difference

    運用雙樣本方差分析,雙樣本假設、差異顯著性檢驗等幾種統計方法,分析了六階段思維策略訓練的課堂操作模式對學生思維能力、創新意識、學習成績的影響。
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