FHSS Igbohunsafẹfẹ-hopping tan kaakiri fun atagba data ọna asopọ fidio alailowaya ati olugba

A1: Igbohunsafẹfẹ-hopping itankale julọ.Oniranran (Awoṣe yii jẹ apẹrẹ fun fidio ati gbigbe data alailowaya pẹlu ọna asopọ data alailowaya ọna meji) is a method of transmitting radio signals that involves rapidly changing the carrier frequency among a wide range of frequencies.

FHSS yoo waye laifọwọyi lori mejeeji atagba ati olugba ni akoko kanna. FHSS jẹ lilo lati ṣe idiwọ gbigbọran ati kikọlu lori atagba fidio alailowaya gigun ati olugba. Nigba ti igbohunsafẹfẹ iṣẹ lọwọlọwọ ti wa ni idamu tabi dabaru pẹlu, atagba ati olugba ge asopọ ati ki o hop si tókàn wa igbohunsafẹfẹ lati tun so.

A2:
1. Nitori awọn ifihan agbara hops si kan ti o yatọ igbohunsafẹfẹ iye, FHSS signals are highly resistant to narrow-band interference.

2. Ti awoṣe hopping igbohunsafẹfẹ jẹ aimọ, awọn ifihan agbara ni o wa soro lati intercept.

3. Jamming tun nira ti apẹẹrẹ ko ba mọ; ti o ba ti ntan ọkọọkan jẹ aimọ, ifihan agbara le nikan jammed fun nikan hopping akoko.

4. Pẹlu iwonba pelu owo kikọlu, Awọn gbigbe FHSS le pin ẹgbẹ igbohunsafẹfẹ pẹlu ọpọlọpọ awọn iru gbigbe ti aṣa. FHSS signals interfere in narrow-band communications and vice versa.

A3: Ni awọn oluṣakoso wẹẹbu UI, jọwọ yan oju-iwe ilosiwaju, o le wo aworan ti o wa loke.
https://i0.wp.com/ivcan.com/wp-content/uploads/2022/02/UI-Advance.webp

A4:
1. TX900B-2W ṣe atilẹyin iwọn igbohunsafẹfẹ jẹ 1420 ~ 1530MHz, ati pe bandiwidi 110Mb wa lati lo.

2. Onibara le ṣeto bandiwidi iṣẹ bi 1.4M/3M/5M/10M/20MHz (sibẹsibẹ, 1.4M/3MHz may not be suited for video transmitting). Lẹhinna TX900B-2W le ṣiṣẹ ninu Ipo FHSS (Igbohunsafẹfẹ-hopping itankale julọ.Oniranran) and the system will automatically select the central working frequency and may do frequency hopping (laarin 1420 ~ 1530MHz) lakoko iṣẹ rẹ.

3. Awọn alabara tun le gbero lati lo awọn ikanni igbohunsafẹfẹ ni gbogbo 1420 ~ 1530MHz ati ṣeto ẹrọ naa lati ṣiṣẹ ni awọn ikanni igbohunsafẹfẹ ti o wa titi paapaa..

4. TX900B-2W ṣe atilẹyin ijinna to gun julọ ni 22km.
Ayafi fun iwọn igbohunsafẹfẹ ti atilẹyin ati ijinna to gun julọ, irisi ti ara, ni wiwo, UI, isẹ, ati bẹbẹ lọ, TX900B-2W jẹ kanna bi TX900B-15km-2W ti o wa tẹlẹ.

5. TX900B-2W atilẹyin iwọn igbohunsafẹfẹ nikan jẹ 1420 ~ 1530MHz, o ko ni atilẹyin 800MHz ati 2.4GHz igbohunsafẹfẹ ibiti.

6. Awọn ẹya meji wa, TX900B-2W-15km, ati TX900B-2W-22km.

7. Bi awọn TX900B-2W igbohunsafẹfẹ ibiti o jẹ 110Mb, nitorinaa ti o ba tunto bandiwidi iṣẹ bi 10Mb, lẹhinna o yoo gba 11 ojuami si hopping.

Our wireless video transceiver adopts intelligent frequency selection-interference avoidance.

Intelligent frequency selection (interference avoidance) technology is a new anti-interference technology, which can effectively avoid interference and maximize the reliability and stability of wireless transmission.

The key to our unique intelligent frequency selection (interference avoidance) technology lies in the three major processes of interference detection, decision-making, and switching execution. Interference detection refers to real-time detection of interference and background noise at each frequency point during normal communication, so as to provide basic support for decision-making. The decision-making is completed independently by each node, and the optimal frequency is selected based on the criterion of optimizing its own receiving performance. The point is used as the receiving frequency point; the switching execution occurs after the decision selects a new optimal frequency point, and the switching process will not cause data loss, ensuring stable and continuous data transmission.

Our unique intelligent frequency selection (disturbance avoidance) technology enables each node to independently and dynamically select different optimal frequency points for different frequency networking, so as to optimize the overall network performance and effectively avoid interference.

Jọwọ ṣayẹwo aworan isalẹ, the blue area is the effective signal, ati the red line is interference.

FPV VTX is a one-way transmission and cannot support the FHSS frequency automatic hopping function.

FPV VTX is a one-way transmission, which can transmit the video from the aircraft to the ground receiver through the transmitter.

FHSS function, when the user finds that the signal sensitivity is declining or encounters an obstacle, it will notify the transmitter and receiver to modify the frequency at the same time and find a frequency with the least interference for transmission. If only the receiver modifies the frequency without controlling the transmitter to modify the same frequency, the frequency of the transmitter and receiver will be inconsistent and the transmission will be interrupted.

Because of the above requirement of notifying the transmitter to modify the frequency, the FHSS function needs to be based on a two-way transmission system.

Or your FPV VTX can support modifying the frequency function through the serial port. When you need to modify the frequency, the operator sends a preset serial port command from the receiver to the serial port of the transmitter. After receiving this command notification, the transmitter automatically changes to the next frequency point.

This is equivalent to your wireless transmission equipment, which has both a one-way video transmission function and a two-way data transmission function, which is equivalent to your current wireless control system. So whether it supports the serial port to modify the frequency of the transmitter depends on whether your current device supports it.

Our models below support such functionality.
Vcan1776 Ọdun 1886