測試頻率 的英文怎麼說
中文拼音 [cèshìbīnlǜ]
測試頻率
英文
inspection frequency-
On the demand of application and according to the soluhons menhoned above, a method of displacement waiting auto - sy ' nchronizing is put forward, which is based on match filters. at the end a complete and speeflc set of hardware circuits and software programs which haplements the scheme, is also presented in the ancle. the synchronization system was tested in the pool and in the shallow wate near m port, the result of the test shows that its performance is satisfactory
論文著重介紹實現了跳頻通信系統同步的一般方法，並詳細分析和對比跳頻同步系統的捕獲方案，在此基礎上，提出了一個基於匹配濾波器的位移等待式自同步方案，設計、完成並給出了詳細硬體連線電路圖、軟體程序流程圖和部分程序清單，該自同步方法在實驗室水池實驗取得良好的效果，並在廈門港海域進行了現場實驗測試，具有較低的誤碼率和一定的檢測概率，結果令人滿意。( 2 ) study the character of audio signal. analyze the zero - crossing rate and mfcc. a mean mel coefficients is proposed, it can be used to recognized different audio signal
通過對mfcc系數進行分析，均值mfcc系數作為音頻特徵，採用動態時間規整識別演算法，能夠對單一音頻進行識別，對已有數據源進行測試，有較高的識別率。First, the theory of fretting wear and studies on fretting fatigue were introduced and the parametric method was used in the process of creating the model of dovetail joints in ug software. the elastic contact problem is analyzed in finite element method ( fem ) and is used to the parameters " distribution and contact stress of the joint are obtained on the base of ansys code. with the effect factor of load frequency, the prediction method of fretting fatigue life of dovetail joint under low and high / low cycle complex load is proposed
本文介紹了微動損傷的機理和微動疲勞壽命的研究方法；利用ug軟體對燕尾榫聯接結構創建了參數化實體模型；基於ansys軟體平臺求解彈性接觸問題，獲得了榫聯接結構接觸應力及接觸狀態量的分佈；在已有微動疲勞壽命預測模型的基礎上，引入載荷頻率影響因子，對低周、高低周復合載荷作用下的燕尾榫聯接結構進行了微動疲勞壽命的預測，與試驗結果對比表明採用本文提出的方法預測榫聯接結構的微動疲勞壽命是有效的。Test method for moduli of elasticity and fundamental frequencies of carbon and graphite materials by sonic resonance
用音響共振法測定炭精和石墨的彈性模量與基本頻率的試驗方法So, this paper researches the principle of measuring system of insulating oil dielectric loss and volume resistivity. during the measuring process, the insulating oil must be heated and kept at 90 in 15 minutes. medium - frequency induction heating method is presented to instead of the electrical resistance furnace heating method on chapter 2, and a kind of subdivision - controlled integral - separated digital pid algorithm is designed to control the medium - frequency induction heating apparatus
本文對恆溫控制系統進行了研究，提出了以中頻感應加熱方式取代原有的電阻爐加熱方式，設計了一種分段控制的積分分離式數字pid控制器來控制中頻感應加熱裝置，並通過通信設計將恆溫控制系統與介損及體積電阻率測試系統有機結合為一體機，實驗結果表明該恆溫控制系統完全滿足介損及體積電阻率測試中的控溫要求。The experiment apparatus has been developed, which is based on software ( labview ) and hardware ( pci board ni 6024e ). the displacements and generative force at the tip of the ipmc actuators were measured with respect to the different voltages, frequents and various waveforms which include square, sinusoidal, and triangular wave
實驗選取了不同電壓幅值，不同頻率的方波、三角波、正弦波三種波形作為電激勵信號，利用高速攝像記錄ipmc的位移變形，並通過力傳感器實測了ipmc試樣末端的輸出力。Is there a board ionic contamination being tested ? if so, what is the test frequency
你們是否能做阻抗測試？測試能力和測試頻率如何？請說明如何控制阻抗，如何保存（阻抗）測試條？Do you perform the impedance test and your capability & frequency ? please describe how to control impedance and retain the coupon sample
是否有做阻抗測試?頻率和能力如何?請描述你們怎樣控制阻抗和保留的樣品Assisted with the sensitivity of the linear analog circuits, the feasibility of parametric faults detection was analyzed through the maximum fault errors acquired at the sensitive frequencies, a stimulation matrix and its stimulation expression were put forward on the test points information
摘要從線性模擬電路靈敏度的概念入手，分析了通過獲取敏感頻點激勵下的最大故障誤差來檢測電路參數故障的可能性，提出了一種針對測試頻率和測點信息的激勵矩陣。Is plated copper being test in the environmental test chamber ? if so, what is the test frequency
對于鍍通孔，測試是否在（可設定條件的）環境艙內進行？如果是，測試頻率是多少？The maximum permissible error when the working frequency of resistor is equal to or lower than the measurement frequency
電阻箱的工作頻率等於或低於測試頻率上限時的最大允許誤差。The results of calculation prove : the new structured coaxial probe is superior to the traditional coaxial probe in both sensitivity and penetrating depth when used to measure the dielectric properties of chemical reactants or layered biological tissues, and the relationship between the measurement sensitivity of this new structured probe and the frequency of electromagnetic wave are obtained, which provides the optimal frequency for the actual application
計算結果表明：在化學反應溶液及生物分層組織介電特性參數的測量中，這種新型的同軸探頭在測量靈敏度及透入深度兩方面都優于傳統的平口同軸探頭。通過計算模擬還得出了這種新型同軸線探頭的測量靈敏度與電磁波頻率的關系，為進一步研究其最佳測試頻率提供了有價值的參考依據。Measurement at full range for all ranges for 3 test frequencies
三個測試頻率所有量程的全量程測量。An optional 20 khz test frequency can be added to those five frequencies
還能增加可選的20khz測試頻率。Measurement status : parameter, voltage, frequency, circuit parallel series
測試狀態:測試參數，測試電壓，測試頻率，測試迴路串聯並聯The basic calibration for a single decade ivd will include measurement of voltage ratio for all output settings of the ivd at one test frequency
一個單盤感應分壓器的基本校正工作包括按一測試頻率，測量該電感分壓器所有輸出定位的電壓比。A methodology was put forward for damage location, and damage simulating as well as numerical calculation of modal analysis was carried out on a truss plane bridge by stiffness discount
摘要推導了基於測試頻率平方變化比的損傷定位方法，利用有限元方法對一管道結構以剛度折減法進行了損傷模擬和模態分析數值計算。This thesis discussed approaches of fault diagnosis based on the sensitivity analysis which is a new test method of analog circuits. main objects are described as follows : first, there exists a problem which the existence of solutions can not intuitively be predicted by choosing test frequency in the first - order sensitivity method on fault diagnosis
在此理論基礎上，本文從以下兩個方面進行嘗試:首先，一階靈敏度故障診斷方法存在這樣一個問題，即測試頻率的選擇不能直觀地對故障診斷方程解的存在性進行預分析。After an error analysis is made in detail for second - order equations and some essential points of genetic algorithm in fault diagnosis are also illustrated, an improved genetic algorithm is adopted to choose an optimal test frequency
本文對二階靈敏度故障診斷方程進行了詳盡的誤差分析，同時在詳細闡述了故障診斷應用中的遺傳演算法操作要點后，使用改進遺傳演算法來選擇優化的測試頻率。However, this module exposes some questions gradually along with the developed electronics and increasement of practical requirement. the main questions are that the measurement precision and measurement range of frequency could not meet higher and higher practical requirement, some electronic components adopted have stopped production or could not keep up with the era development, poor integration of digital circuits and the comparative level value could not be set with the actual requirement
但隨著電子技術的發展和實際需求的提高，該模塊也暴露出一些問題，主要是測量精度和測量頻率的范圍已不能滿足日益提高的實際要求、所採用的一些電子器件已經停產或者跟不上時代發展的需要、數字電路集成度較差和隔離測試通道中的比較電平值不能隨實際需求進行設置。分享友人