blind estimation的用法和样例：
例句
- Firstly, a computationally simple blind channel estimation method is proposed.
首先，文中提出了一种计算复杂度较低的信道盲估计方法。 - By combining the QR factorization based algorithm with the special structure of Orthogonal space-time block code, a new blind estimation algorithm in OSTBC was proposed.
将该算法推广到正交空时分组码的信道估计中，结合正交空时分组码的特性提出了一种新的信道盲估计算法。
