base vectors 中文意思是什麼
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The majority of the test vectors are used to check the connection of the pins of the device. those vectors for connection test can be removed from the vector base for the device under test when deltascan is applied together with boundary scan test. the total vectors are therefore eliminated
測試矢量中大多數是用於測試引腳之間是否有短路或有引腳開路情況的，引入deltascan測試ic的引腳的開路和短路情況后，就可從xc5210 _ tq144的測試矢量集中去掉合併與短路，開路測試有關的測試矢量，進一步減少了邊界掃描所需的測試矢量。 -
Contravarlant base vectors
反變基向量 -
Covariant base vectors
共變基向量 -
9 expression of mxmybl gene in e. coli was experimented. the structure of its recombinant expression vectors had not base mutant and drift. sds - page of pet - mxmybl proteins showed that there was a strengthened protein band in expectant 38kda protein marker
構建的原核表達載體結構正確，未出現堿基突變及移碼現象； lmmoffeiptg誘導zh后，在預期的蛋白分子量約38kda處出現一條表達加強的蛋白帶。 -
In mobile communication, the multi - path of channel brines the inter - symbol interference ( isi ) which cna make the ber of system larger. a technology called adaptive equalizer combined with adaptive array antenna is researched. this technology is used in the base station to restrain isi, and it is realized through landscape orientation filter, whose weight vectors are formed by rls algorithm. the result of computer simulation showe that the ber performance of system is good enough to ensure the requirement of communication
在移動無線通信中，由於傳輸通道的多徑性質，會在接收端引起碼間干擾，使系統誤碼率變大，結合智能天線系統研究了一種自適應均衡技術，在基站一端使用，用來抑制碼間干擾，它通過橫向濾波器來實現，通過rls演算法自適應地產生加權因子.計算機模擬的結果可以證明，使用無衡技術后，系統的誤碼性能可能滿足通信需要 -
According as the base principle of digital video motion parameter estimating, placed emphasis on discussing the block - matching method in motion estimation, gave a intact n - search method, simulated in computer according to the s - vga standard of digital video, and got a accurate motion vectors
依據數字視頻運動參數估計的基本原理，重點討論了運動參數估計中最常用的塊匹配法，給出了一個完整的n步搜索法方案。以數字視頻演播標準s - vga為標準，採用計算機模擬得到了正確的運動矢量。
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