標準測試頻率 的英文怎麼說

中文拼音 [biāozhǔncèshìbīnlǜ]
標準測試頻率 英文
reference frequency
  • 標 : Ⅰ名詞1 [書面語] （樹梢） treetop; the tip of a tree2 （枝節或表面） symptom; outside appearance; ...
  • 準 : Ⅰ名詞1 （標準） standard; guideline; criterion; norm 2 （目標） aim; target Ⅱ動詞1 （依據; 依照）...
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 試 : 名詞（古代占卜用的器具） astrolabe
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 標準 : （衡量事物的準則; 榜樣; 規范） standard; criterion; benchmark; pip; rule; ètalon （衡器）; merits
  • 測試 : test; testing; checkout; measurement
  • 頻率 : frequency; rate
  1. Standard test method for measuring relative complex permittivity and relative magnetic permeability of solid materials at microwave frequencies

    微波頻率下固體材料相對復介電常數和磁導率測量標準試驗方法
  2. Measuring methods for rubidium frequency standards

    銣原子頻率標準測試方法
  3. Test samples shall be taken on the site and tested at the frequencies specified in the applicable prc standards

    試件應從工地現場取樣，測試的頻率以中華人民共和國現行標準為準。
  4. Standard test method for dielectric breakdown voltage and dielectric strength of insulating gases at commercial power frequencies

    在工業用電頻率時絕緣氣體介電擊穿電壓和介電強度的標準測試方法
  5. In this dissertation, we studied the tcra1101plus total station position system, which introduced the principle and characters of the instrument ' s closed loop tracking system. also we explained the cause of prism ' s position error and brought forward mathematic model to correct, moreover, the good results has been drawn form the expenriments. the kinetic survey system have been realized, which the sampling rate attain more than 5hz and the position precision can be less than 2mm on condition that targeted - point moving slowly at the velocity below 2cm / s. having finished the survey system to examine whether the fine - tuning stewart platform in good status, we have finished mensurating the position reference of the fine - tuning stewart platform and the offset of the prism

    在此基礎上研製了多臺儀器在線控制高頻采樣動態跟蹤測量系統，采樣率大於5hz ，在跟蹤小於2cm / s低速運動目標時，測量精度好於2mm ；完成對饋源二次精調系統的檢測，包括對二次精調平臺位置基準的標定和觀測棱鏡偏心差的測定；設計不同動態測量實驗，對全站儀動態跟蹤的誤差來源和特點進行了分析；從實驗角度，對全站儀的測量時滯及其穩定性進行了測試分析，給出了定量的結果；比較了全站儀和計算機的內部時間系統，發現兩者存在較大差異。
  6. This dissertation focus on a innovation methods for inverter controlled hydraulic elevator system applying pressure accumulator as the " pressure - energy transformer ". the required power supply and running energy can be reduced remarkably when accumulators storing and releasing pressure oil. then the key items about hydraulic speed control system based on the ens 1 - 2 and other hydraulic elevator standards are investigated in detail

    本論文主要研究了採用蓄能器-液壓泵馬達構成的「壓力-能量轉換裝置」來儲存釋放變頻驅動液壓電梯系統的能量，從而降低液壓電梯裝機功率和運行能耗的新方案；在此基礎上，根據國內外液壓電梯的標準進行了與速度控制相關的關鍵項目測試，最後針對本課題研製的節能控制系統與當前市場上幾種典型的液壓電梯控制系統進行了能耗對比研究。
  7. This master ’ s degree thesis firstly introduces and discusses the principle of ofdm and the merged blue print for digital terrestrial television broadcasting in china, then proposes a scheme for the test platform of narrowband ldpc decoding efficiency based on fpga. this scheme includes techniques such as time - domain synchronization using pn and power estimation using pilots

    本論文首先介紹並討論了數字電視傳輸標準tds - ofdm的實現原理，對其中的一些關鍵問題做了詳細的分析，在此基礎上提出了一種基於fpga的窄帶ldpc解碼-誤碼測試平臺設計方案，即利用時域pn頭同步及頻域導頻進行功率估計的fpga設計。
  8. Standard test method for alternating - current magnetic properties of amorphous materials at power frequencies using wattmeter - ammeter - voltmeter method with sheet specimens

    帶片狀試樣使用電力表-測量表-電壓表方法在電源頻率下非晶材料的交流電磁性能的標準試驗方法
  9. In light of the analysis data results of these experiments, vibration comfort evaluation of human in recumbent position should be done in accordance to the vibration of recumbent passenger ' s head and buttock, referring to the international standard iso2631 / 1 - 1997 ( e ), as well as on the base of correlate studies of whole - body vibration in recumbent position. accelerations of the head and buttock measured have been weighted twice to get at the frequency - weighted acceleration at the buttock and head, the weighted acceleration then is used to evaluate the comfort of human vibration in recumbent position

    依據試驗數據分析結果，臥鋪客車臥姿乘客振動舒適性的評價應依據頭部和臀部振動進行，參照iso2631 - 1 ： 1997國際標準，並在相關臥姿振動的評價研究基礎上，對測得的頭、臀部位加速度值進行計權處理，得到臀?頭部位頻率計權加速度來評價臥姿乘客全身振動的舒適性。
  10. Interventions : in addition to clinical evaluation, a standard ultrasonographic examination of the scrotum was performed using a linear array transducer operating at a frequency of 8. 0 mhz ( acuson sequoia 512 )

    此外：作為附加的臨床評估需要，一個標準的超聲波記錄將測試小弟弟，用8m赫茲的頻率通過傳感器測試。
  11. Firstly, based on the c6711 dsp hardware characteristics, h. 263 was chosen as the core video compression framework. after seven advanced options of h. 263 was tested, we analyzed the test results and used three options which are unlimited motion vector, advanced motion prediction and deblock filter as the scheme of the low bit - rate monitor video encoding

    首先，通過對目前的低碼率視頻編碼技術的分析，結合c6711硬體特點，我們選擇了h . 263視頻編碼標準作為監控視頻編碼框架，並且通過對h . 263標準的七個高級編碼選項的測試和分析，選取了其中無限制運動矢量、高級預測和去塊濾波等三個編碼選項作為監控視頻編碼的主要方案。
  12. His thesis presents many test results of : the superficial roughness of standard slice, aluminum slice, and glass slice by using the outline detector ; the frequency characteristic of experimenting device ; the characteristic of pivotal instruments ; the displacement characteristic of layer - piezoelectricity actuator ; tiny displacement detection. the experimental data are believable and the theoretic analysis is correct

    本論文還給出了用輪廓儀測試多種標準片、鋁片、玻璃片的表面粗糙度的測試結果、實驗裝置的頻率特性實驗結果、關鍵器件的特性實驗結果、積層式壓電致動器的位移特性試驗結果及微位移測量試驗結果。
  13. Our national capacitance metrology level in the low frequency range ( below 10 khz ) has reached the international advanced level. but with the development of science and technology, there exists a big difference between our national and international advanced level in the aspect of the frequency range and the capacitance range etc, especially in the aspect of the frequency range. so the capacitance metrology technology in high frequency cannot meet the need of testing for impedance metrology standards and the measurement instruments

    在低頻段（ 10khz以下） ，我國電容計量水平已達到國際先進，但隨著科技的發展，在頻率范圍、量值范圍等方面與國際先進水平有較大的差距，特別是在頻率范圍方面，不能滿足進口阻抗計量標準器及其測量儀器的檢定測試要求，迫切需要在頻率范圍上進行擴展。
  14. Two - resonator method is using to build the draft of international measurement standard of rs for high tc superconductive thin films, in which the rs value of the hts films can be determined by unloaded q ’ s measured from two resonators by using simple formulas

    目前，國際上用雙諧振器法建立高溫超導薄膜微波表面電阻rs國際測試標準草案。此法是基於模式匹配方法，通過嚴格的推理得到簡單的方程，從諧振器的諧振頻率和固有品質因數可以求出超導薄膜的rs 。
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