例句與造句

1. a new method to extract line-spectrum series based on energy criterion and sub-band synthesis is presented in this paper, and verification is further investigated with simulated and measured data
   本文提出了一種基于能量判據(jù)和子頻帶綜合的線譜序列提取方法，并利用實測數(shù)據(jù)進(jìn)行了比較分析。
2. however, in cdma system there are multi-path interference, multi-access interference and the interference resulted from absence of synchronization which will limit the user content of the system . so based on the theory of complementary series and ond, the essay presents a new type of spread spectrum series-modified complementary series, which has been applied in cdma communication system
   然而，cdma系統(tǒng)本身存在著多址干擾，多徑干擾以及由于上行線路傳輸而產(chǎn)生的非同步干擾等等，這些干擾隨著系統(tǒng)中用戶數(shù)量的增多而增加，這將大大限制cdma系統(tǒng)中的用戶容量。
3. It's difficult to find spectrum series in a sentence. 用spectrum series造句挺難的