FR2271568A1 - Determination of state of health of tree - from intensity of X-band electromagnetic radiation reflected from bark, using directional aerial - Google Patents

Determination of state of health of tree - from intensity of X-band electromagnetic radiation reflected from bark, using directional aerial

Info

Publication number
FR2271568A1
FR2271568A1 FR7416546A FR7416546A FR2271568A1 FR 2271568 A1 FR2271568 A1 FR 2271568A1 FR 7416546 A FR7416546 A FR 7416546A FR 7416546 A FR7416546 A FR 7416546A FR 2271568 A1 FR2271568 A1 FR 2271568A1
Authority
FR
France
Prior art keywords
tree
bark
health
intensity
state
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7416546A
Other languages
English (en)
French (fr)
Other versions
FR2271568B1 (https=
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electricite de France SA
Original Assignee
Electricite de France SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Electricite de France SA filed Critical Electricite de France SA
Priority to FR7416546A priority Critical patent/FR2271568A1/fr
Publication of FR2271568A1 publication Critical patent/FR2271568A1/fr
Application granted granted Critical
Publication of FR2271568B1 publication Critical patent/FR2271568B1/fr
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G23/00—Forestry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Environmental Sciences (AREA)
  • Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
FR7416546A 1974-05-14 1974-05-14 Determination of state of health of tree - from intensity of X-band electromagnetic radiation reflected from bark, using directional aerial Granted FR2271568A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7416546A FR2271568A1 (en) 1974-05-14 1974-05-14 Determination of state of health of tree - from intensity of X-band electromagnetic radiation reflected from bark, using directional aerial

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7416546A FR2271568A1 (en) 1974-05-14 1974-05-14 Determination of state of health of tree - from intensity of X-band electromagnetic radiation reflected from bark, using directional aerial

Publications (2)

Publication Number Publication Date
FR2271568A1 true FR2271568A1 (en) 1975-12-12
FR2271568B1 FR2271568B1 (https=) 1978-08-04

Family

ID=9138774

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7416546A Granted FR2271568A1 (en) 1974-05-14 1974-05-14 Determination of state of health of tree - from intensity of X-band electromagnetic radiation reflected from bark, using directional aerial

Country Status (1)

Country Link
FR (1) FR2271568A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2621396A1 (fr) * 1987-10-06 1989-04-07 Legge Cabinet Roger De Appareil de mesure de l'impedance electrique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2621396A1 (fr) * 1987-10-06 1989-04-07 Legge Cabinet Roger De Appareil de mesure de l'impedance electrique

Also Published As

Publication number Publication date
FR2271568B1 (https=) 1978-08-04

Similar Documents

Publication Publication Date Title
NO781509L (no) Fremgangsmaate for behandling av vedflis
IT8120336A0 (it) Procedimento e dispositivo per ingrandire ed essiccare la superficie di pezzi di pelle, pelli e materiali similari.
DE3787015D1 (de) Im frequenzbereich wirkendes impulsraffungsradargeraet zur stoerechobeseitigung.
PT65725A (en) A device for surface treatment of objects having large surface e.g.ships,cisterns or like
GB2038184B (en) Wood preservation process
NO800177L (no) Fremgangsmaate ved kapping og kloeving av trestammer, og innretning for utfoerelse av fremgangsmaaten
NL7605854A (nl) Afbuiginrichting voor een elektromagnetische golfbundel.
ATA512476A (de) Vorrichtung zur untersuchung von koerpern mit unebener oberflaeche durch bestrahlung, z.b. mit ultraschallwellen
IT7919639A0 (it) Dispositivo per spaccare ceppi o tronchi.
CA1024862A (en) Procedure and apparatus for barking timber
NL7807414A (nl) Bestraalde snelle gelijkrichter en werkwijze voor de vervaardiging ervan.
FR2271568A1 (en) Determination of state of health of tree - from intensity of X-band electromagnetic radiation reflected from bark, using directional aerial
DD152255A3 (de) Vorrichtung zur mechanischen trockensortierung von heterogenem material,insbesondere von harten haushaltsabfaellen
FI793913A7 (fi) Menetelmä puuhakkeen puupitoisuuden nostamiseksi mekaanisesti.
JPS5236965A (en) Magnetron
FI791491A7 (fi) Puun palahakkuri.
FR2422573B1 (fr) Dispositif de dechargement de navires, soutes, entrepots ou analogues
IT1116985B (it) Procedimento per la lavorazione di pezzi di legno in tronchi in legname squadrato
JPS5241202A (en) Preservative and insecticide for water soluble wood
NL7510757A (nl) Commuteerbare antenne voor millimeter- en centi- metergolven.
GB2026938B (en) Log splitting device
GB2021952B (en) Preservation of timber
TR19936A (tr) Genis satihli tahata yongalarin meydana getirilmesine mahsus bicak mili
ATA373372A (de) Vorrichtung zur automatischen impedanzenpassung, insbesondere zur anpassung einer antenne an eine gegebene impedanz
IT1074901B (it) Procedimento per impregnare legna me ed impianto per esso impiegato

Legal Events

Date Code Title Description
ST Notification of lapse