sweep network 中文意思是什麼
sweep network
解釋
掃描網路-
Mariliz hopes to tap in to a wave of vampire mania that will sweep across brazil as the rede globo television network launches its latest soap opera, kiss of the vampire, on aug. 26
希望這場獻血運動能夠配合即將於8月26日在巴西環球電視臺公映的最新系列肥皂片吸血鬼之吻，在巴西掀起"吸血鬼熱" 。 -
The signal generator of sweep frequency is based on dds device ad9954, the signal measuring circuit is based on gain and phase detector ad8302, the real - time control and deal circuit is based on tms320vc5409, and the periphery interface circuit is based on at89s52. the system can generate sweep frequency signal with the frequency range from 100khz to 150mhz, and with the power range from - 45dbm to + 18dbm. it can measure the gain and phase of the network, display the measure data by liquid crystal displayed and print it by the printer
該測試儀以dds晶元ad9954為核心構成掃頻信號源電路，以增益相位檢測器ad8302為核心構成檢測電路，以dsp晶元tms320vc5409為核心構成控制與運算電路，以及以at89s52為核心構成外圍介面電路。該測試儀能產生頻率范圍達100k ~ 100mhz ，功率范圍為- 45dbm ~ + 18dbm的掃頻信號，能對被測網路的頻率特性進行測量，並留有豐富的外圍介面，可以將測量數據繪圖通過lcd顯示或者由印表機列印輸出。 -
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 ) present the overall and local dynamic connectivity analysis method to fit with the network topology. 3 ) analyze the feature of distribution network, introduce some power flow calculation methods, select a back / forward sweep method and realize it
（ 3 ）分析了配電網的特點，介紹了幾種常用的配電網的潮流，結合故障恢復的需要，採用了前推/回推演算法，編程實現了該演算法。 -
The content including : ( 1 ) according to the radial structure and multilayer characteristic of distribution network, a novel layer - by - layer backward / forward sweep method id developed. the branch power / voltage loss of the same layer can be parallel computed without relabeling buses and branches, that greatly increases the speed of load flow calculation
其主要內容如下： （ 1 ）針對配電網路的樹狀結構和層次特性，研究了一種新穎的分層前推回代潮流演算法，該演算法不需要網路節點和支路的特殊編號，可以并行計算同一層次所有支路的功率損耗和電壓損耗，從而大幅度提高了潮流的計算速度。
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