phase-frequency造句
例句與造句
- Log phase - frequency characteristics
對數(shù)相頻特性 - Phase - frequency response characteristic
相頻特性 - Phase - frequency characteristics
相頻特性 - It can be used to measure the amplitude - frequency characteristic and phase - frequency characteristic of the unknown network , and give the real - time the transmission - characteristic measurement of the unknown network
運用掃頻技術(shù)的頻率特性測試儀可以對被測網(wǎng)絡(luò)進行快速的動態(tài)測量,得出被測網(wǎng)絡(luò)傳輸特性的實時測量結(jié)果。 - There are functions such as drawing the chart of amplitude - frequency and phase - frequency , calculating and displaying the highest peak value , the total sum of amplitude and the effective line - breadth of the signal in the program . so an effective technical means is supplied for the analysis of ultrasonic signal
軟件系統(tǒng)具有幅頻圖及相頻圖的繪制、最高峰值、諧波系數(shù)及有效譜寬度的計算及顯示等功能，從而為超聲信號的頻譜分析提供了極其有效的技術(shù)手段。 - It's difficult to find phase-frequency in a sentence. 用phase-frequency造句挺難的
- Thirdly , the wire size variations , vertical balance , insulation and joint features on adsl lines will affect the insertion loss and introduce additional noise , thus reducing the transmission rate and degrading the transmission performance . fourthly , the bridge tap on the adsl line will greatly change the frequency response and phase - frequency features of the line insertion loss
第三，線對線徑的改變、線路的縱向平衡性、線路的絕緣性能和線路接頭的性能將影響線路的插入損耗、引入附加噪聲，從而降低adsl的傳輸速率，影響adsl的傳輸性能。 - It really provides convenience to evaluate and optimize the design result . 3 ) vibration analysis has been fulfilled by calling some math libraries and graphic libraries in matlab to plot graphics such as velocity - time , displacement - velocity , step response , impulse response , gain - frequency and phase - frequency . we can know the capabilities of the spring system from the graphics
3 、在matlab環(huán)境下調(diào)用相應(yīng)的數(shù)學(xué)函數(shù)庫和圖形庫對設(shè)計的彈簧進行分析，繪制彈簧加載后系統(tǒng)的速度-時間響應(yīng)曲線、速度-位移響應(yīng)曲線、階躍響應(yīng)曲線、脈沖響應(yīng)曲線、增益-頻率響應(yīng)曲線和相角-頻率響應(yīng)曲線，根據(jù)曲線來分析系統(tǒng)的各項性能。 - The traditional analog frequency - sweeping instrument , which mostly uses the lc circuit as the frequency oscillator , is more expensive , too much bigger and heavy to carry . it can only display the curve of amplitude - frequency , but ca n ' t used to measure the phase - frequency , and ca n ' t used to print the curve of frequency response characteristic either . it brings many discommodity to the user
傳統(tǒng)的模擬式掃頻儀大多是用lc電路構(gòu)成掃頻振蕩器,它不僅價格昂貴,體積龐大,而且只能顯示幅頻特性曲線,不能得到相頻特性曲線,更不能打印被測網(wǎng)絡(luò)的頻響曲線,給使用者帶來諸多不便。 - The main contribution of the thesis is seen as follows : aiming at the fault with slow speed and high power dissipation of the conventional phase - frequency detector , a high speed and low power dissipation phase - frequency detector is designed by modifying the structure of the single phase lock dynamic d flip - flop and adding the delay cell in the feedback loop to eliminate the phase detector ’ s dead zone effectively
論文的主要貢獻為以下幾個方面: 1 .針對傳統(tǒng)鑒頻鑒相器速度慢、功耗高的缺點,改進了單相時鐘動態(tài)d觸發(fā)器的結(jié)構(gòu),設(shè)計出了一種高速低功耗的鑒頻鑒相器,在反饋回路上加入延遲單元,能有效的消除鑒相死區(qū)。 - The small - signal model in main circuit are built by using average circuit model . the relationship of each small signal and efficiency duty cycle are described completely . magnitude - frequency characteristics and phase - frequency characteristics of each main transfer function are got
本文分析了全橋移相zvspwmdc - dc變換器的基本原理，運用平均等效電路法建立了主電路小信號模型，并詳細(xì)分析了各小信號變量與有效占空比之間的關(guān)系，得到了各主要傳遞函數(shù)的幅度和相位頻率特性。