子带编码
参考答案:
即将输入的信号分割成若干子带,分别对各子带信号独立进行量化编码的方式。其优点是可避免噪声掩蔽和实现不同子带的信噪比,从而满足主观听觉上的功能需求。
During the project, requirements change for a variety of reasons. As needs change and as work proceeds, additional requirements are derived and changes may have to be made to the existing requirements. It is essential to manage these additions and changes efficiently and effectively. To effectively analyze the impact of the changes, it is necessary that the source of each requirement is known and the rational e for any change is documented. The project manager may, however, want to track appropriate measures of requirements volatility to judge whether new or revised (75)are necessary.
A.proceedings
B.controls
C.forecasting’s
D.prelibations
注册咨询工程师(投资)对其所出具的咨询文本有(),并具有法律效力。
A.署名盖章权
B.唯一解释权
C.专利权
D.个人知识产权