Random generation method of short-wave link library

A technology of random generation and link direction, applied in special data processing applications, design optimization/simulation, etc., can solve problems such as the inability to ensure uniform distribution of generated link lengths, too small link library, too large link library, etc. Achieve the effect of avoiding link search and classification and reducing computational complexity

Active Publication Date: 2020-11-03
中国电波传播研究所 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One is that the length of the generated links cannot be guaranteed to be evenly distributed, resulting in some link libraries being too large and some link libraries being too small; second, the length of M*(M-1) links needs to be calculated, and when M is too large, the calculation The amount is too large, and the calculation amount can only be controlled by reducing M, but the reduction of M will cause the first problem to be more serious

Method used

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  • Random generation method of short-wave link library
  • Random generation method of short-wave link library
  • Random generation method of short-wave link library

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Example 1, in figure 2 A link library is generated in the shown areas D1 and D2 respectively, each link library contains 30 links, and the link length is 200-600km.

[0042] First, generate a link library in area D1, and the steps to generate the i-th link are as follows:

[0043] Step A: Generate link transmitter position p Ti .

[0044] Given that the area D1 is a rectangular area, the latitude range is [30,40], and the longitude range is [80,100], a location point p: is randomly generated in D1, and the generation method is as follows:

[0045] Step A1: Randomly select the value lat in [30,40];

[0046] Step A2: Randomly select the value lon in [80,100];

[0047] Step A3: Obtain the link transmitter position p Ti :.

[0048] Step B: Generate the position p of the receiving end of the link Ri .

[0049] Step B1: Randomly select the value θ in [0,359];

[0050] Step B2: by link transmitter p Ti Extend the distance d along the link direction θ to obtain the l...

Embodiment 2

[0065] Example 2: In Figure 4 A series of link libraries are generated in the area D3 shown, each link library contains 100 links, and the link lengths are 200km, 600km, 1000km, and 2000km respectively.

[0066] Generate 4 link banks in D3, and the link length of the jth link bank is d j , j=1,2,3,4. and d 1 =200,d 2 =600,d 3 =1000,d 4 =2000.

[0067] The steps to generate the i-th link in the j-th link library are as follows:

[0068] Step A: Generate link transmitter position p Ti .

[0069] The given area D3 is an irregular area, such as Figure 4 As shown, the area D0 is set to be the smallest rectangular area including D3, that is, the latitude range of the area D0 is [18,54], and the longitude range is [74,135], and a location point p: is randomly generated in D0, The generation method is:

[0070] Step A1: Randomly select the value lat in [18,54];

[0071] Step A2: Randomly select the value lon in [74,135];

[0072] Step A3: Obtain the link transmitter pos...

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Abstract

The invention discloses a random generation method of a short-wave link library. The specific steps for generating an ith link are as follows: A, generating a link transmitting end position pTi; B, generating a link receiving end position pRi; C, generating a link. The invention discloses a method for randomly generating a short-wave link library, which takes the link length as an input parameterwhen a short-wave link is generated, reserves the randomness of link transceiving points, can directly generate a link library meeting the requirement, avoids link search and classification in a spacewith overlarge dimension, improves the accuracy of link classification, reduces the calculation complexity of generating the link library, can effectively and stably generate the short-wave link library, and provides an effective simulation calculation means for short-wave system argumentation.

Description

technical field [0001] The invention belongs to the field of shortwave system demonstration, in particular to a random generation method of a shortwave link library in the field. Background technique [0002] In the simulation calculation of shortwave system performance index and system demonstration, time, space, frequency, antenna, transmission equipment, transmission system, etc. will all affect the performance of shortwave system. During the simulation calculation, a set of value ranges is usually set for each type of parameter in the above dimensions, and then the simulation results of all parameter combinations are calculated. As for the dimension of space, it mainly refers to short-wave communication links, short-wave interference links or other links that propagate through short-wave sky waves in short-wave system simulation calculations. In order to maintain the universality and comparability of simulation calculations, links need to be randomly generated and meet ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20
CPCG06F30/20
Inventor 刘毅敏向为锋王程林顾晓婷
Owner 中国电波传播研究所
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