types of investigation, the extent of researcher interference, the study setting, the unit of analysis, the time horizon of the study.
Purpose of the study: Hypotheses testing
We want to explain the relationships between the satisfaction and user’s personal data and the two phone’s performance. We have intermediate variables (age, gender). We also have independent variables(application, c
1. 스테핑 모터의 구조
스테핑 모터를 구조면에서 분류하면 가변 릴럭턴스형(VR형 : Variable Reluctance type), 영구자석형(Permanent magnet type) 및 하이브리형(Hybrid type)의 세 가지 형태로 대별된다.
(1) VR형
VR형 모터의 상수로는 3, 4, 5가 있다. 가장 널리 사용되는 하이브리형 모터는 2상 모터이지만 3상과 5상
Pointer type
Memory address, nil
Indirect addressing
To manage dynamic storage (heap)
Heap-dynamic variable
Anonymous variable
Value type vs. Reference type
. Different Types of knowledge
1. Procedural or Declarative Knowledge
The first distinction is that between declarative knowledge and procedural knowledge. Declarative knowledge focuses on beliefs about relationship among variables. For example, greater price charged for a product would cause reduction in number of sales. Declarative knowledge can be stated in the expected corr
variable frequencies between 1KHz to 1 MHz
-The dc bias VG is slowly varied to get quasi-continuous C-V characteristics
② C-V characteristics of MOS-capacitor on p- and n-type Si
The C-V data depends on the measurement frequency as well.
[Figure 11] Measured C-V characteristics on an P-type, N-type Si
2.4 Graph shifting
In MOS structure, we should consider non ideal effects when me