Sequential (92) Signal strength

https://chihaukam.blogspot.com/2024/10/httpschihaukam_29.html

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Ref: https://wodewangzhishime.blogspot.com/2023/12/blog-post.html?m=1

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Me: There're 3 type of multiple access.  They are TDMA, CDMA and FDMA, SDMA.

John : Ok.

Me:TDMA stand for time division multiple access.

John: Ok.

Me: R0 ,R1, R2 are the physical address of the radio receivers. 

John: Ok.

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Me: The more far from the radio emitter, the weaker the signal. 

John: Ok. 

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Me: The distance between radio emitter and R1 or R2 are samely 2 meters. Why R1's signal is much weaker than R2?

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John: Because, R1 is at 45 degree of angle. On the contrary, R2 is at 90 degree of angle.

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Me: Ok. R1 and R0 have same signal's weakness . How do I know where they are located ?

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The emitter send a signal to R0 and R1, and , wait until they echo.
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1) R0 need 0.00003 second to echo. R0 is more far from the radio emittor.

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2) R1 need 0.00001 second to echo. R1 is more near the radio emittor.