@PHEDconnect Unrelated question.
Please I want to know if you now give 3 phase prepaid meters instead of single members to shops.
I thought the 3 phase meters is for hotels and schools.
Units of individual shops now use 3 phase meter?
@RiversPoliceNG please which part of your unit is in charge of assigning Police men to this Internal revenue boys that move shop to shop harrasing business owners and shop owners in the state. Because the rate at which they operate is becoming a thing to be concerned about.
They don't come in official cars, they come with this boys with hired Keke naptep.
The police is supposed to restore Peace and not to follow this boys to cause damage to business owners.
Did you know? 🛰
The first satellite, Sputnik 1, launched by the Soviet Union in 1957, was about the size of a beach ball and took only 98 minutes to orbit Earth. Its radio signal was so simple yet powerful that anyone with the right equipment could tune in and hear it beep from space.
How does a satellite antenna work for radar astronomy? 📡
Missed our latest article? Here's a quick recap:
Electromagnetic Principles and System Architecture
At its core, radar astronomy relies on the fundamental properties of electromagnetic waves. The process involves transmitting a beam toward a target and then analyzing the extremely weak echoes that return. The key components of a radar astronomy system include:
Transmitter:
High-powered transmitters (often up to 1 megawatt or more) generate either pulsed or continuous-wave signals. Pulsed systems provide excellent range resolution, while continuous-wave systems enable precise Doppler measurements. The transmitted power compensates for the rapid signal loss, which follows an inverse fourth-power law with distance.
Antenna (Radar Telescope):
Serving both as transmitter and receiver, large, high-gain antennas focus the radio beam and collect the faint echoes. Facilities such as the historic Arecibo Observatory, the Goldstone Solar System Radar, and Evpatoria Planetary Radar have utilized these techniques to achieve high-precision astrometric measurements and detailed imagery.
Propagation Channel:
As the radio waves traverse interplanetary space, their strength diminishes dramatically. This necessitates extremely sensitive receivers and sophisticated signal processing to extract meaningful data from echoes that may be millions of times weaker than the transmitted signal.
Receiver and Signal Processor:
State-of-the-art receivers, incorporating ultra-low-noise amplifiers and advanced digital signal processing (DSP) techniques (like coherent integration and matched filtering), capture and refine the weak return signals. These processes yield accurate measurements of distance, velocity, surface properties, and even subsurface structures.