例句與造句

1. the main works of the dissertation can be summarized as follows : 1 . by exploring the model of ds-cdma systems, the performances of the decorrelating multi-user detector and minimum mean square error ( mmse ) multi-user detector are studied . further, the performances of blind adaptive mud and adaptive mmse mud ( lms style ) with fixed step size and varied step size respectively are studied based on mmse linear detect algorithms
   本文主要研究次最優(yōu)的線性多用戶檢測技術(shù)，工作具體如下：從ds-cdma系統(tǒng)模型出發(fā)，研究了解相關(guān)多用戶檢測器和mmse多用戶檢測器的性能，并以mmse線性檢測技術(shù)為基礎(chǔ)，研究了變步長和固定步長的lms-mmse自適應(yīng)多用戶檢測器和基于最小輸出能量準(zhǔn)則的盲自適應(yīng)多用戶檢測器。
2. It's difficult to find fixed step size in a sentence. 用fixed step size造句挺難的