sweep amplitude 中文意思是什麼

sweep amplitude 解釋
掃描范圍
  • sweep : vt (swept )1 掃(房間等),掃除,打掃;刷,撣(灰塵等)。2 (像掃一樣)吹去,颳去,沖去 (along...
  • amplitude : n. 1. 廣闊,廣大。2. 豐富,充足。3. (思想的)廣度。4. (天體出沒時偏離正東或正西的)角度距離。5. 【物,電】振幅。
  1. Scalar network analyzer is a kind of intelligent instrument based on frequency sweep test technology that used to measure the amplitude - frequent cy characteristic of linear system. network analyzer adopt these new technology such as frequency synthesis, sampling technique, broad - band sweeping and computer - assisted testing

    標量網路分析儀是一種基於掃頻測量技術,用於測量線性系統幅頻特性的智能化儀器。網路分析儀結合了頻率合成技術、采樣技術、寬帶掃頻技術、計算機輔助測量等新技術。
  2. Firstly, the circuit design of the instrument are described detailedly, including the circuit of serial communication interface, the circuit of sweep signal generator, the circuit of amplitude measurement, the circuit of phase measurement

    首先,詳細探討了了虛擬頻率特性測試儀的控制、串列通信介面、數控掃頻信號源、幅值測量、相位測量等電路的設計。
  3. In the design of hardware, frequency sweep signal is based on dds + pll. by the control the singlechip c8051f060, ad9852, the dds chip, can achieve stepped frequency signal. with amplifying and detector circuits, the instrument can achieve the measurement and receiving of amplitude frequency characteristic result. by means of pdiusbd12 finish the usb1. 1 protocol conversion, communicate with usb interface of pc, the instrument give the measurement resul of amplitude - frequency characteristic in lcd of pc

    硬體方面,掃頻信號源基於dds + pll的技術,由c8051f060單片機控制dds晶元ad9852實現頻率步進。再加上外圍放大、檢波等電路,測量和接收幅頻特性。並藉助于pdiusbd12完成測量數據usb1 . 1協議轉換,實現與pc機的usb介面通信,將幅頻特性測量結果在pc機的液晶顯示屏上表達出來。
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