And that's exactly what it is: a RF Power Combiner simply combines (sum) different signals in a single output. In the above case, the signals are transmitted over port B and C go out through that output (A).
The body mass index (BMI) or Quetelet index is a value derived from the mass (weight) and height of an individual. The BMI is defined as the body mass divided by the square of the body height, and is universally expressed in units of kg/m 2, resulting from mass in kilograms and height in metres.
Abbreviated BMI. BMI is a person's weight in kilograms (kg) divided by his or her height in meters squared.The National Institutes of Health (NIH) now defines normal weight, overweight, and obesity according to BMI rather than the traditional height/weight charts.Overweight is a BMI of 27.3 or more for women and 27.8 or more for men.Obesity is a BMI of 30 or more for either sex (about 30 pounds overweight).bbreviated BMI. BMI is a person's weight in kilograms (kg) divided by his or her height in meters squared.