Loran-C uses the multiple pulse system because().
- ALess signal energy is necessary for receiver operation
- BMore signal energy is available at the receiver
- CIt significantly increases the peak power
- DIt increases the signal capacity
Loran-C uses the multiple pulse system because().
1、The Consol navigation system,used in R
The Consol navigation system,used in Russian and Northern European waters,can be used().Afor precise navigation in coastal watersBby measuring ...
2、Which of the following allows multiple
Which of the following allows multiple applications toshare a single operating system resource?()ALogical PartitionBWorkload PartitionCDynamic Logical PartitionDShared Processor Logical Partitio
3、The line connecting the Loran-C master
The line connecting the Loran-C master station with a secondary station is called the().AFocus lineBBase lineCSide lineDCenter line
4、In using Loran-C,skywave reception giv
In using Loran-C,skywave reception gives greater range but is().Aonly accurate during daylight hoursBmuch less accurateConly accurate at twilightDmore accurate than using ground wave
5、The number of pulses of energy transmi
The number of pulses of energy transmitted per second is call the().Acarrier frequencyBpulse repetition rateCpulse lengthDpulse repetition time
6、Loran-C is which type of system().
Loran-C is which type of system().AReflected electronBElectrical radiationCQuarterpoint electrical navigationDHyperbolic radio navigatio