RU2005111787A - METHOD FOR DETERMINING THE COMPLETENESS OF TREES - Google Patents

METHOD FOR DETERMINING THE COMPLETENESS OF TREES Download PDF

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RU2005111787A
RU2005111787A RU2005111787/11A RU2005111787A RU2005111787A RU 2005111787 A RU2005111787 A RU 2005111787A RU 2005111787/11 A RU2005111787/11 A RU 2005111787/11A RU 2005111787 A RU2005111787 A RU 2005111787A RU 2005111787 A RU2005111787 A RU 2005111787A
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Russia
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area
completeness
calculated
matrix
geome
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RU2005111787/11A
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Russian (ru)
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RU2294622C2 (en
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В чеслав Федорович Давыдов (RU)
Вячеслав Федорович Давыдов
Анатолий Владимирович Корольков (RU)
Анатолий Владимирович Корольков
Евгений Петрович Новиков (RU)
Евгений Петрович Новиков
Ксени Андреевна Тимонина (RU)
Ксения Андреевна Тимонина
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Московский государственный университет леса (RU)
Московский государственный университет леса
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Priority to RU2005111787/11A priority Critical patent/RU2294622C2/en
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Claims (1)

Способ определения полноты древостоев, при котором получают изображение лесов, содержащих пробные площадки в виде цифровой матрицы |m×n| зависимости функции яркости I(х, y) от пространственных координат, рассчитывают пространственный спектр Фурье матрицы, находят среднюю частоту Fcp. и диаметр кроны среднего дерева Dcp.=1/Fcp., отличающийся тем, что вычисляют среднеквадратическое отклонение σ сигнала матрицы обрабатываемого участка, вводят калибровочный коэффициент шкалы функции яркости Δh[м/шаг квантования]=Н/2σ, программным расчетом функцииA method for determining the completeness of stands, in which an image of forests containing test sites in the form of a digital matrix | m × n | the dependence of the brightness function I (x, y) on the spatial coordinates, calculate the spatial Fourier spectrum of the matrix, find the average frequency F cp. and the crown diameter of the middle tree D cp . = 1 / F cp. , characterized in that the standard deviation σ of the matrix signal of the processed area is calculated, the calibration coefficient of the scale of the brightness function Δh [m / quantization step] = N / 2σ is introduced, by program calculation of the function
Figure 00000001
Figure 00000001
определяют площадь рельефа древесного полога, получают эталонный ряд зависимостей известной относительной полноты пробных площадок от вычисленных значений площади их рельефов, определяют относительную полноту таксируемого массива по соотношению Sp/Sгеом. интерполированием смежных значений эталонного ряда,determine the relief area of the canopy, obtain a reference series of dependencies of the known relative completeness of the test sites on the calculated values of the area of their reliefs, determine the relative completeness of the taxed massif by the ratio S p / S geome. interpolating adjacent values of the reference series, где Sгеом., Sp - геометрическая площадь таксируемого участка и площадь рельефа его древесного полога;where S is a geome. , S p is the geometric area of the taxed area and the relief area of its wood canopy; Н - средняя высота древостоя участка, вычисляемая по регрессионным зависимостям (для деревьев первой и второй групп по Анучину Н.П.)
Figure 00000002
;
Figure 00000003
.
H - the average height of the stand, calculated by the regression dependencies (for trees of the first and second groups according to N. Anuchin)
Figure 00000002
;
Figure 00000003
.
RU2005111787/11A 2005-04-21 2005-04-21 Method for determining degree of forest stand density RU2294622C2 (en)

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RU2005111787/11A RU2294622C2 (en) 2005-04-21 2005-04-21 Method for determining degree of forest stand density

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RU2294622C2 RU2294622C2 (en) 2007-03-10

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2536183C2 (en) * 2013-03-12 2014-12-20 Федеральное государственное бюджетное учреждение науки Институт физического материаловедения Сибирского отделения Российской академии наук (ИФМ СО РАН) Method of determination of horizontal structure of growing stock
RU2531329C1 (en) * 2013-03-25 2014-10-20 Федеральное государственное бюджетное учреждение науки Институт леса им. В.Н. Сукачева Сибирского отделения Российской академии наук (ИЛ СО РАН) Method of determining completeness of multi-storeyed, mixed, and uneven-aged timber stands

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