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docs: finish the rf test comments

This commit is contained in:
ApsisRS contributors 2026-10-02 01:58:31 +08:00
parent 8193b3aade
commit 55a1449a12
2 changed files with 3 additions and 6 deletions
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6
crates/rf/apsis-link/tests/budget.rs
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@ -41,8 +41,7 @@ fn downlink() -> LinkBudget {
fn eirp_sums_the_power_gain_and_loss() {
let budget = downlink();
// 10 dBW + 30 dBi - 1 dB = 39 dBW.
// 10 dBW + 30 dBi - 1 dB = 39 dBW。
// 10 dBW + 30 dBi - 1 dB = 39 dBW。
// 即发射功率加发射增益再减发射损耗，得出等效全向辐射功率。
let eirp = budget.eirp().expect("valid budget");
assert!((eirp.dbw().expect("positive") - 39.0).abs() < TOLERANCE);
}
@ -66,8 +65,7 @@ fn the_carrier_power_matches_the_hand_computation() {
let budget = downlink();
let carrier = budget.received_power().expect("valid budget");
// 39 dBW - 205.627 dB + 35 dBi - 0.5 dB = -132.127 dBW.
// 39 dBW - 205.627 dB + 35 dBi - 0.5 dB = -132.127 dBW。
// 39 dBW - 205.627 dB + 35 dBi - 0.5 dB = -132.127 dBW。
// 即从等效全向辐射功率减去路径损耗、加上接收增益、再减接收损耗。
assert!(
(carrier.dbw().expect("positive") + 132.127_080_075_172_1).abs() < 1e-9,
"{}",

3
crates/rf/apsis-rf/tests/free_space.rs
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@ -44,8 +44,7 @@ fn path_loss_matches_the_engineering_form() {
// 链路预算中所用的形式，距离以千米、频率以兆赫兹计，
//
// L = 32.44 + 20 log10(d_km) + 20 log10(f_MHz)
// L = 32.44 + 20 log10(d_km) + 20 log10(f_MHz)
// L = 32.44 + 20 log10(d_km) + 20 log10(f_MHz)
// 即以千米计的距离与以兆赫兹计的频率表示的工程形式。
//
// has a constant that follows from the speed of light rounded to
// 299 792 458 m/s, and agrees with the expression used here to the